X127 - Check ACCS Circuit For Short to Power
- Key Off.
- ACPSW and CCRM disconnected.
- Disconnect PCM. Inspect for damaged or pushed out pins, corrosion, loose wires, etc. Service as necessary.
- Install breakout box, leave PCM disconnected.
- Key On.
- Measure voltage between Test Pin 41 (ACCS) and Test Pins 51 and 103 (PWR GND).
- Key Off.
- Was voltage less than 1.0 volt?
YES -- GO to X128. X128 - Check ACCS Circuit Voltage to PCM With CCRM Connected
NO -- SERVICE short to power. REMOVE breakout box. RECONNECT all components. RE-EVALUATE symptom.