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Home >> Cadillac >> 2004 >> CTS V >> Repair and Diagnosis (Single Page) >> Electrical >> Wiring Diagrams >> OEM Connector End Views >> Connector End Views >> Powertrain Control Module (PCM) Connector End View C2
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Powertrain Control Module (PCM) Connector End View C2

Powertrain Control Module (PCM) Connector End View C2

GM684875Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12191488
  • 80-Way F Micro-Pack 100W Sealed (GN)
Pin Wire Color Circuit No. Function
1 BK 750 Ground
2-4 - - Not Used
5 TN/BK 464 Delivered Torque Signal
6-8 - - Not Used
9 D-GN/WH 465 Fuel Pump Relay Control
10 WH 121 Engine Speed Signal
11-13 - - Not Used
14 OG/BK 380 A/C Refrigerant Pressure Sensor Signal
15 OG 225 Generator Turn On Signal
16-17 - - Not Used
18 PU/WH 1035 Starter Relay Coil Supply Voltage
19 - - Not Used
20 L-GN/BK 822 VSS Low Signal
21 PU/WH 821 VSS High Signal
22-24 - - Not Used
25 TN 472 IAT Sensor Signal
26 PU 2121 IC 1 Control
27 OG 2127 IC 7 Control
28 L-BU/WH 2126 IC 6 Control
29 D-GN/WH 2124 IC 4 Control
30 - - Not Used
31 YE 492 MAF Sensor Signal
32 L-GN 432 MAP Sensor Signal
33 D-BU 473 High Speed Cooling Fan Relay Control
34 D-GN/WH 428 EVAP Canister Purge Solenoid Control
35-38 - - Not Used
39 OG 631 12-Volt Reference
40 BK 750 Ground
41-42 - - Not Used
43 D-GN/WH 459 A/C Compressor Clutch Relay Control
44 L-GN 1652 Reverse Lockout Solenoid Control
45 WH 1310 EVAP Canister Vent Solenoid Control
46 BN/WH 419 MIL Control
47 WH 375 Skip Shift Indicator Control
48-49 - - Not Used
50 BN 818 Vehicle Speed Signal
51 YE/BK 1227 TFT Sensor Signal
52 BN 2391 HO2S Heater Low Control - Bank 1 Sensor 2
53 OG/WH 3223 HO2S Heater Low Control - Bank 2 Sensor 2
54 D-BU 1936 Fuel Level Sensor Signal - Primary
55-56 - - Not Used
57 TN 552 Low Reference
58 TN/WH 331 Oil Pressure Sensor Signal
59 YE 5 Crank Voltage
60 BN 2129 Low Reference
61 BN/WH 2130 Low Reference
62-63 - - Not Used
64 D-GN 890 Fuel Tank Pressure Sensor Signal
65 BN 5069 MAIN Relay Control
66 PU/WH 2128 IC 8 Control
67 OG/WH 2122 IC 2 Control
68 D-GN 2125 IC 5 Control
69 L-BU 2123 IC 3 Control
70-71 - - Not Used
72 GY/WH 3113 HO2S Heater Low Control - Bank 1 Sensor 1
73 L-BU 1937 Fuel Level Sensor Signal - Secondary
74 L-GN 3212 HO2S Heater Low Control - Bank 2 Sensor 1
75 GY 23 Generator Field Duty Cycle Signal
76-79 - - Not Used
80 TN 5514 Low Reference