P1495

Tests 540 - 544:

Tests 545 - 549:

Test 550:

SYMPTOM
P-1495 LEAK DETECTION PUMP SOLENOID CIRCUIT

WHEN MONITORED
Ignition on and battery voltage greater than 10.4 volts.

SET CONDITION
The state of the solenoid circuit does not change.

POSSIBLE CAUSES
- DTC not equal freeze frame DTC
- No possible causes remaining
- Fused ignition switch output circuit open
- Leak detection pump defective
- Leak det pump solenoid control ckt sht to gnd
- Leak detection pump solenoid control ckt open
- Wiring harness intermittent defect
- Wiring harness observable defect
- Powertrain control module defective