Powertrain Control Module (PCM) C175a
POWERTRAIN CONTROL MODULE (PCM) C175A CONNECTOR PINOUTS REFERENCE
| Pin Number(s) | Circuit Designation/Description | Normal Condition/Measurement |
|---|---|---|
| 9 | CKT 331 (PK/YE) A/C compressor clutch relay control | Greater than 10 volts with the ignition on. |
| 30 | CKT 347 (BK/YE) | Do not test. May cause excessive current draw through thermostatic switch. |
| 47 | CKT 441 (RD/YE) A/C high pressure switch input | Resistance of 0 ohms to chassis ground. |
| 57 | CKT 151 (LB/BK) Steering wheel switch to PCM (ground) | Resistance of 0 ohms to chassis ground. |