P1389

Tests 1 - 3:

Tests 4 - 8:

Test 9:

SYMPTOM
P1389-NO ASD RELAY OUTPUT VOLTAGE AT PCM

WHEN MONITORED
With ignition key ON, battery voltage above 10.4 volts, and engine speed greater than 400 rpm.

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

POSSIBLE CAUSES
- Intermittent condition
- ASD relay
- ASD relay output circuit open
- Fused B+ circuit open
- ASD output circuit open
- PCM - start
- PCM - No start