P1389

Tests 544 - 549:

Tests 550 - 552:

SYMPTOM
P1389 - NO ASD RELAY OUTPUT VOLTAGE AT PCM

WHEN MONITORED
With ignition key ON, battery voltage above 10 volts.

SET CONDITION
No voltage sensed at the PCM when the ASD relay is energized.

POSSIBLE CAUSES
- Wiring harness intermittent defect
- ASD relay output circuit open
- Fused B+ circuit open
- ASD relay defective
- PCM defective