Powertrain Control Module C175
WARNING: This page is about a different car, the 2004 Mercury Monterey and 2004 Ford Freestar. However, it is still accessible from the selected car via links, so may be relevant.
POWERTRAIN CONTROL MODULE C175 CIRCUIT REFERENCE
| Pin Number (s) | Circuit Designation/Description | Normal Condition/Measurement |
|---|---|---|
| 41 | CKT 347 (BK/YE) A/C cycling switch input to PCM | Greater than 10 volts with the ignition on and engine running. |
| 69 | CKT 331 (PK/YE) A/C compressor clutch relay control | Greater than 10 volts with the ignition on. |
| 86 | CKT 349 (TN/LG) A/C pressure transducer input to PCM | Greater than 10,000 ohms to chassis ground and 0 volts. |