P1389

Tests 1 - 3:

Tests 4 - 8:

Tests 9 - 11:

SYMPTOM
P1389 - 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 circuit open
- ASD relay output circuit wiring harness observable defect
- ASD relay output circuit wiring harness intermittent defect
- PCM defective (engine did not start)
- PCM defective (engine started)