Ground Circuits
Turn ignition off. Connect breakout box, leaving PCM disconnected. Measure resistance between each specified breakout box 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 | Breakout Box Pin No. | Wire Color | ||
|---|---|---|---|---|
| C1-10 (1) | 18 | Black | ||
| C1-20 | 17 | Black | ||
| C3-1 | 25 | Black/Light Green | ||
| C3-2 | 52 | Black/Orange | ||
| C3-15 | 54 | Black/Orange | ||
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