Diagnostic Aids
Enter this test only when directed here from other system tests. This test is only intended to diagnose the following components and circuits:
- Harness circuits; VPWR. PWR, GND and PCMR.
- PCM relay.
- PCM.
PCM TERMINAL CIRCUIT IDENTIFICATION
| PCM Terminal No. | Circuit | Wire Color |
|---|---|---|
| 4 | PCMR | White/Green |
| 7 | COMM | Green/Black |
| 10, 19, 96 & 104 | GND | Black |
| 18 | MIL | Violet |
| 22 | COMM | Gray/Red |
| 24 | COMM | Green/White |
| 25 | COMM | White |
| 31 | COMM | Pink/Black |
| 33 | COMM/TP SIG | Red/Green |
| 38 | IGN | Blue/Yellow |
| 39 & 45 | GND | Black/Red |
| 57 | VREF | Brown |
| 58 | SIG RTN | Black/Yellow |
| 66, 71 & 97 | VPWR | Black/White |
| 80 | KAPWR | Yellow |