P1389
Tests 562 - 567:
Tests 568 - 572:
SYMPTOM
P-1389 NO ASD RELAY OUTPUT VOLTAGE AT PCM
WHEN MONITORED
With the ignition key on and battery voltage greater than 10 volts.
SET CONDITION
No voltage sensed at the powertrain control module when the auto shutdown relay is energized.
POSSIBLE CAUSES
- Fused B(+) circuit open
- Auto shutdown relay defective
- ASD relay output circuit open (engine started)
- ASD relay output ckt open (eng not start)
- ASD relay output ckt wiring harness observable def
- ASD rly output ckt wiring harness intermittent def
- PCM defective (engine did not start)
- PCM defective (engine started)