7. Check FPCM Input Signal Circuit For Open And Short
- Disconnect ECM harness connector.
- Check harness continuity between ECM terminal 116 and FPCM terminal 4. Refer to WIRING DIAGRAM .
Continuity should exist.
- Check harness continuity between ECM terminal 116 and ground. Refer to WIRING DIAGRAM .
Continuity should not exist.
- Also check harness for short to power.
OK or NG
- OK: GO TO 9. CHECK FPCM OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT .
- NG: GO TO 8.