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2001 LS1 Factory PCM Pinouts
Page history
last edited
by Greg 15 years ago
2001 LSX PCM PINOUTS
2001 Power-train Control Module (PCM) Connector End Views
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Connector C1 / Blue
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Pin
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Wire Color
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Circuit No.
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Function
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1
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BLK/WHT
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451
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PCM Ground
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2
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LT GRN
|
1867
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12 Volt Reference
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3
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PNK/BLK
|
1746
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Fuel Injector 3 Control
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4
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LT GRN/BLK
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1745
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Fuel Injector 2 Control
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5-7
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--
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--
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Not Used
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8
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GRA
|
596
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5 Volt Reference
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9-10
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--
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--
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Not Used
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11
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LT BLU
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1876
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KS [2] Signal
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12
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DK BLU/WHT
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1869
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CKP Sensor Signal
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13-16
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--
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--
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Not Used
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17
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DK BLU
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1225
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Transmission Fluid Pressure Switch Signal B
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18
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ORN
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1226
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Transmission Fluid Pressure Switch Signal C
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19
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PNK
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439
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Ignition 1 Voltage
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20
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RD/WHT
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340
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Battery Positive Voltage
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21
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YEL/BLK
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1868
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Low Reference
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22
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--
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--
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Not Used
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23
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GRA
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720
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Low Reference
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24
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--
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--
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Not Used
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25
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TAN
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1671
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HO2S Low Signal [Bank 2 Sensor 2]
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26
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TAN
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1667
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HO2S Low Signal [Bank 2 Sensor 1]
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27
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--
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--
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Not Used
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28
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TAN/WHT
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1669
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HO2S Low Signal [Bank 1 Sensor X]
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29
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TAN/WHT
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1653
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HO2S Low Signal [Bank 1 Sensor 1]
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30-31
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--
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--
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Not Used
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32
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GRY
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48
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CPP Switch Signal
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33
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PPL
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420
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TCC Brake Switch Signal
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34
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ORN/BLK
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434
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Neutral Safety Switch Signal
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35
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--
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--
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Not Used
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36
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TAN
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1744
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Fuel Injector 1 Control
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37
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YEL/BLK
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846
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Fuel Injector 6 Control
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38-39
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--
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--
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Not Used
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40
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BLK/WHT
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451
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Ground
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41
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--
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--
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Not Used
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42
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DK GRN
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335
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Low Speed Cooling Fan Relay Control
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43
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ORN/BLK
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877
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Fuel Injector 7 Control
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44
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LT BLU/BLK
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844
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Fuel Injector 4 Control
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45
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GRA
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474
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5 Volt Reference (A/C Refrigerant Pressure Sensor)
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46
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GRA
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474
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5 Volt Reference (Fuel Tank Pressure Sensor)
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47
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--
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--
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Not Used
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48
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GRA
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416
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5 Volt Reference (MAP Sensor)
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49-50
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--
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--
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Not Used
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51
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DK BLU
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496
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KS [1] Signal
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52
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--
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--
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Not Used
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53
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TAN
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407
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Low Referecne (Transmission Temperature Sensor)
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54
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TAN
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407
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Low Reference (MAP Sensor Ground)
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55
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--
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--
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Not Used
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56
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--
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--
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Not Used
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57
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RD/WHT
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340
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Battery Positive Voltage
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58
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DK GRN
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1049
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ECM/PCM/VCM Class 2 Serial Data
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59
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--
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--
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Not Used
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60
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TAN
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452
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Low Reference
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61
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PNK/BLK
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632
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Low Reference (Camshaft Position Sensor)
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62-64
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--
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--
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Not Used
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65
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PPL
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1670
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HO2S High Signal [Bank 2 Sensor 2]
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66
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PPL
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1666
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HO2S High Signal [Bank 2 Sensor 1]
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67
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--
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--
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Not Used
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68
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PPL/WHT
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1668
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HO2S High Signal [Bank 1 Sensor X]
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69
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PPL/WHT
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1665
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HO2S High Signal [Bank 1 Sensor 1]
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70
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BRN
|
1174
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Oil Level Switch Signal
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71-72
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--
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--
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Not Used
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73
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BRN/WHT
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633
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CMP Sensor Signal
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74
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YEL
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410
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ECT Sensor Signal
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75
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--
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--
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Not Used
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76
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TAN/WHT
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845
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Fuel Injector 5 Control
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77
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DK BLU/WHT
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878
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Fuel Injector 8 Control
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78
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--
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--
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Not Used
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79
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GRA or WHT
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587 or 687
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Skip Shift Solenoid Control (M/T) or 3-2 Shift Solenoid Control (A/T)
|
80
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TAN
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407
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Low Reference
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Connector C2 / Red
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Pin
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Wire Color
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Circuit No.
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Function
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1
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BLK/WHT
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451
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Ground
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2
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BRN
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418
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TCC Solenoid - Output - PWM
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3
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--
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--
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Not Used
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4
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PPL
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421
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Air Injection Reaction Solenoid Relay - Coil - Control
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5
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--
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--
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Not Used
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6
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ORN/BLK
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1228
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PC Solenoid Valve High Control (Sol.A)
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7
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--
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--
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Not Used
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8
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LT BLU/WHT
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1229
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PC Solenoid Valve Low Control (Sol.A)
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9
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DK GRN/WHT
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465
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Fuel Pump Relay Control [Primary]
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10
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WHT
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121
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Engine Speed Signal
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11-12
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--
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--
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Not Used
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13
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WHT
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85
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Cruise Control Engage Signal
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14
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ORN/BLK
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380
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A/C Refrigerant Pressure Sensor Signal
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15
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ORN
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225
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Generator Turn ON Signal
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16
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--
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--
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Not Used
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17
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DK GRN/WHT
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762
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A/C Request Signal
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18
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DK GRN
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59
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A/C Compressor Clutch Supply Voltage
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19
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--
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--
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Not Used
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20
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LT GRN/BLK
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822
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VSS Low Signal
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21
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PPL/WHT
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821
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VSS High Signal
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22-23
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--
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--
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Not Used
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24
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DK BLU
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417
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TP Sensor Signal
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25
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TAN
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472
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IAT Sensor Signal
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26
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PPL
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2121
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IC 1 Control
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27
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ORN
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2127
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IC 7 Control
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28
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LT BLU/WHT
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2126
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IC 6 Control
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29
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DK GRN/WHT
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2124
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IC 4 Control
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30
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DK BLU
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229
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Fuel Enable Control
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31
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YEL
|
492
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MAF Sensor Signal
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32
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LT GRN
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432
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MAP Sensor Signal
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33
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DK BLU
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473
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High Speed Cooling Fan Relay Control
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34
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DK GRN/WHT
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428
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EVAP Canister Purge Solenoid Control
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35
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--
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--
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Not Used
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36
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BRN
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436
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AIR Pump Relay Control
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37
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DK GRN
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83
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Cruise Control Inhibit Signal
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38
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--
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--
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Not Used
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39
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ORN
|
631
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12 Volt Reference
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40
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BLK/WHT
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451
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Ground
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41
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--
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--
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Not Used
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42
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TAN/BLK
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422
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TCC Solenoid Valve Control
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43
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DK GRN/WHT
|
459
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A/C Clutch Relay Control
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44
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LT GRN
|
1652
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Reverse Lock Out Solenoid Control
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45
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WHT
|
1310
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EVAP Canister Vent Solenoid Control
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46
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BRN/WHT
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419
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MIL Control
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47
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YEL/BLK
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1223
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2 - 3 Shift Solenoid Valve Control
|
48
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LT GRN
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1222
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1 - 2 Shift Solenoid Valve Control
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49
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--
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--
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Not Used
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50
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DK GRN/WHT
|
817
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VSS Signal
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51
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YEL/BLK
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1227
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TFT Sensor Signal
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52
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--
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--
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Not Used
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53
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GRA/BLK
|
1687
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Ignition Retard Signal
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54
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PPL
|
1589
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Fuel Level Sensor Signal
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55-56
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--
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--
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Not Used
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57
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PPL
|
719
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Low Reference
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58-59
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--
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--
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Not Used
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60
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BRN
|
2129
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Low Reference
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61
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BRN/WHT
|
2130
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Low Reference
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62
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--
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--
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Not Used
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63
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PNK
|
1224
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Transmission Fluid Pressure Switch Signal A
|
64
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DK GRN
|
890
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Fuel Tank Pressure Sensor Signal
|
65
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--
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--
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Not Used
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66
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PPL/WHT
|
2128
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IC 8 Control
|
67
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ORN/WHT
|
2122
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IC 2 Control
|
68
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DK GRN
|
2125
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IC 5 Control
|
69
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LT BLU
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2123
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IC 3 Control
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70-75
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--
|
--
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Not Used
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76
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LT GRN/WHT
|
1749
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IAC Coil B High Control
|
77
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LT GRN/BLK
|
444
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IAC Coil B Low Control
|
78
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LT BLU/BLK
|
1748
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IAC Coil A Low Control
|
79
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LT BLU/WHT
|
1747
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IAC Coil A High Control
|
80
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--
|
--
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Not Used
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2001 LS1 Factory PCM Pinouts
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