Operation CHARM: Car repair manuals for everyone.

Bus (+) Open

Tests 1 - 2:




Tests 3 - 8:




Tests 9 - 13:




SYMPTOM
BUS (+) OPEN

POSSIBLE CAUSES
- Test fail due to ignition ON
- CCD bus (+) circuit open
- CCD bus (-) circuit open
- CCD bus (-) circuit open
- DRB or DRB Cable failure
- CCD bus (+) circuit open
- CCD bus (+) circuit shorted to ground
- CCD bus (-) circuit shorted to ground
- PCM CCD bus resistance failure
- BCM CCD bus bias
- BCM CCD bus resistance failure