Chrysler PT Cruiser 2001 Service Manual Supplement page 2644

DRIVEABILITY - GAS
Symptom:
P1495-LEAK DETECTION PUMP SOLENOID CIRCUIT
When Monitored and Set Condition:
P1495-LEAK DETECTION PUMP SOLENOID CIRCUIT
When Monitored: Immediately after a cold start, with battery/ambient temperature
between 40 deg. F and 90 deg. F and coolant temperature within 10 deg. F of battery/
ambient.
Set Condition: The state of the solenoid circuit does not match the PCM's desired state.
LDP SWITCH SENSE CIRCUIT OPEN
LDP SWITCH SENSE CIRCUIT SHORTED TO GROUND
LDP VACUUM SUPPLY
WIRING HARNESS INTERMITTENT
ASD CIRCUIT OPEN
LEAK DETECTION PUMP
LDP SOLENOID CONTROL CIRCUIT SHORTED TO GROUND
LDP SOLENOID CONTROL CIRCUIT OPEN
POWERTRAIN CONTROL MODULE
TEST
1 Turn the ignition on.
With the DRBIII , read DTC's.
Is the DTC Specific Good Trip Counter displayed and equal to zero for P-1495?
Yes → Go To 2
→ Go To 13
No
2 Turn the ignition off.
Disconnect the Leak Detection Pump electrical connector.
Turn the ignition on.
With the DRBIII , actuate the Leak Detection Pump.
Using a 12 volt test light connected to ground (B-), check the Generator Source
Circuit at the LDP connector.
Does the test light illuminate brightly?
Yes → Go To 3
→ Repair the open ASD Circuit.
No
POSSIBLE CAUSES
ACTION
Perform POWERTRAIN VERIFICATION TEST VER - 5.
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APPLICABILITY
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