Powertrain Control Module (PCM) Connector End View (C175B)
C175B CONNECTOR SPECIFICATION
| Pin | Circuit | Gauge | Circuit Function | Qualifier |
|---|---|---|---|---|
| 1 | * | * | not used | |
| 2 | 325 (DB-OG) | 20 | Starter relay control | |
| 2 | 32 (RD-LB) | 20 | Starter relay control | Late production |
| 3 | 330 (YE-LG) | 20 | Power steering pressure switch signal | |
| 4 | * | * | not used | |
| 5 | * | * | not used | |
| 6 | * | * | not used | |
| 7 | 1093 (TN-RD) | 20 | Power, Hot in Start with Park or Neutral | 3.0L |
| 8 | 511 (LG) | 18 | Brake pedal position switch feed | |
| 9 | 791 (RD-PK) | 20 | Fuel tank pressure transducer sensor signal | |
| 10 | 570 (BK-WH) | 18 | Ground | |
| 11 | 1908 (WH) | 20 | High speed CAN bus + | |
| 12 | 926 (LB-OG) | 20 | Fuel pump control | |
| 13 | 91 (VT-WH) | 20 | EVAP canister vent solenoid, control | |
| 14 | * | * | not used | |
| 15 | 198 (DG-OG) | 20 | Dual pressure switch signal | |
| 16 | * | * | not used | |
| 17 | 3850 (LG-VT) | 20 | Low speed fan control relay control | |
| 18 | * | * | not used | |
| 19 | * | * | not used | |
| 20 | 470 (PK-BK) | 20 | Intake air temperature sensor signal | |
| 21 | 238 (DG-YE) | 18 | Fuel pump monitor | |
| 22 | * | * | not used | |
| 23 | 1909 (BK) | 20 | High speed CAN bus - | |
| 24 | * | * | not used | |
| 25 | 331 (PK-YE) | 20 | A/C clutch relay control | |
| 26 | 347 (BK-YE) | 20 | Dual pressure switch signal | |
| 27 | 665 (OG-YE) | 20 | Overdrive cancel switch signal | |
| 28 | * | * | not used | |
| 29 | * | * | not used | |
| 30 | * | * | not used | |
| 31 | 167 (BR-OG) | 20 | TX signal | |
| 32 | 967 (LB-RD) | 20 | Mass Air Flow (MAF) sensor signal | |
| 33 | * | * | not used | |
| 34 | 191 (LG-BK) | 20 | Vapor management valve control | |
| 35 | 100 (WH-RD) | 20 | PCM power relay output | |
| 36 | 100 (WH-RD) | 20 | PCM power relay output | |
| 37 | * | * | not used | |
| 38 | 228 (DB) | 20 | High speed fan control relay 1 control | |
| 39 | 386 (LB) | 20 | Cooling fan relay control | |
| 40 | 351 (BR-WH) | 20 | Reference voltage | |
| 41 | 359 (GY-RD) | 20 | Signal return | |
| 42 | 168 (RD-BK) | 20 | RX signal | |
| 43 | 968 (TN-LB) | 20 | Mass Air Flow (MAF) sensor, signal return | |
| 44 | 107 (VT) | 20 | Flash/EEPROM power supply | |
| 45 | 16 (RD-LG) | 20 | Voltage supplied at all times (overload protected) | |
| 46 | * | * | not used | |
| 47 | 57 (BK) | 18 | Ground | |
| 48 | 57 (BK) | 18 | Ground | |
| 49 | 57 (BK) | 18 | Ground | |
| 50 | 1202 (BR-LG) | 18 | Signal return | 3.0L |
| 50 | 1202 (BR-LG) | 20 | Signal return | 2.3L |