P1388 Auto Shutdown Relay Control Circuit

SYMPTOM
P-1388 AUTO SHUTDOWN RELAY CONTROL CIRCUIT

WHEN MONITORED
With ignition key on and battery voltage greater than 10 volts.

POSSIBLE CAUSES
- Fused b(+) circuit open
- Auto shutdown relay resistance >=100.0 ohms
- ASD relay control circuit wiring harness intermittent defect
- ASD relay control circuit wiring harness observable defect
- Auto shutdown relay control circuit open
- Auto shutdown relay control circuit short to ground
- PCM defective (auto shutdown relay control circuit)