Ground Circuits
Turn ignition off. Connect BOB, leaving PCM disconnected. Measure resistance between each specified BOB pin and ground. See PCM GROUND CIRCUIT RESISTANCE table. Repair indicated PCM ground circuit if resistance is greater than 5 ohms.
PCM GROUND CIRCUIT RESISTANCE
| PCM Pin | BOB Pin | Wire Color |
|---|---|---|
| 1V | 44 | Black |
| 2R | 49 | Black |
| 3A | 20 | Black |
| 3G | 40 | Black |
| - Manual transmission only | ||