Diagnostic Aids
Perform this test when instructed during SYMPTOM DIAGNOSIS. This test is only intended to diagnose the following:
- Cooling fan harness circuits.
- High fan control relays.
- Low fan control relay.
- PCM.
FAN CONTROL RELAY SIG CIRCUIT, PID & TERMINAL IDENTIFICATION
| Circuit (PID) | PCM Terminal No. | Wire Color |
|---|---|---|
| HFAN SIG (FANHP) | 32 | Brown/White |
| LFAN SIG (FANSP) | 34 | Blue/Orange |
| Relay PWR | N/A | Blue |
| Cooling Fan PWR | N/A | Blue |