P1495

Tests 649 - 653:

Tests 654 - 656:

SYMPTOM
P-1495 LEAK DETECTION PUMP SOLENOID CIRCUIT

WHEN MONITORED
Immediately after a cold start, with ambient temperature between 40 deg F and 90 deg F and coolant temperature within 10 deg F of ambient temperature.

SET CONDITION
The state of the solenoid does not change.

POSSIBLE CAUSES
- Fused ignition switch output open
- LDP solenoid circuit short to ground
- LDP solenoid control circuit open
- LDP wiring harness intermittent fault
- Wiring and connectors visibly defective
- Leak detection pump defective (LDP SOL ckt)
- PCM defective