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Home >> Cadillac >> 2006 >> Escalade EXT >> Repair and Diagnosis (Single Page) >> Electrical >> Motors, Switches, Relays >> OEM Connector End Views (5 Of 5) >> Powertrain Control Module (PCM) Connector End Views (8.1L) >> Powertrain Control Module (PCM) Connector End View - C2
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Powertrain Control Module (PCM) Connector End View - C2

Fig 1: PCM - C2 Connector View
GM73173Courtesy of GENERAL MOTORS CORP.
Powertrain Control Module (PCM) Connector End Views

Connector Part Information 
  • OEM: 12191110
  • Service: See Catalog
  • Description: 80-Way F Micro-Pack 100W Sealed (GN)
Powertrain Control Module (PCM) - C2

Pin Wire Color Circuit No. Function
1 BK/WH 451 Ground
2 - - Not Used
3 TN 1465 Fuel Pump Relay Control - Secondary
4-8 - - Not Used
9 D-GN/WH 465 Fuel Pump Relay Control
10 WH 121 Engine Speed Signal
11-13 - - Not Used
14 RD/BK 380 A/C Refrigerant Pressure Sensor Signal
15 BN 25 Charge Indicator Control
16 GY/BK 1694 4WD Low Signal
17-19 - - Not Used
20 L-GN/BK 822 VSS Low Signal
21 PU/WH 821 VSS High Signal
YE 400 VSS High Signal
22-24 - - Not Used
25 TN 472 IAT Sensor Signal
26 PU 2121 IC 1 Control
27 RD 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 - - Not Used
34 D-GN/WH 428 EVAP Canister Purge Solenoid Control
35-38 - - Not Used
39 RD 631 12-Volt Reference
40 BK/WH 451 Ground
41-42 - - Not Used
43 D-GN/WH 459 A/C Compressor Clutch Relay Control
44 - - Not Used
45 WH 1310 EVAP Canister Vent Solenoid Control
46 BN/WH 419 MIL Control
47-48 - - Not Used
49 YE/BK 1827 Vehicle Speed Signal
50 D-GN/WH 817 Vehicle Speed Signal
51 - - Not Used
52 BN 2391 HO2S Heater Low Control Bank 1 Sensor 2 (NC1/NC8)
53 RD/WH 3223 HO2S Heater Low Control Bank 2 Sensor 2 (NC1/NC8)
54 PU 1589 Fuel Level Sensor Signal - Primary
55-56 - - Not Used
57 BK 552 Low Reference
58 TN/WH 332 Oil Pressure Sensor Signal
59 PU 806 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 - - Not Used
66 PU/WH 2128 IC 8 Control
67 RD/WH 2122 IC 2 Control
68 D-GN 2125 IC 5 Control
69 L-BU 2123 IC 3 Control
70-71 - - Not Used
72 BK/WH 3113 HO2S Heater Low Control Bank 1 Sensor 2 (NC1/NC8)
73 D-BU 1936 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 BK 2751 Low Reference