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Symptom: P1495-LEAK DETECTION PUMP SOLENOID CIRCUIT When Monitored and Set Condition: P1495-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 match the PCM’s desired state. POSSIBLE CAUSES LDP SOLENOID CIRCUIT WIRING HARNESS OBSERVABLE LDP SOLENOID CKT WIRING HARNESS INTERMITTENT GENERATOR SOURCE CIRCUIT OPEN LDP SOLENOID CONTROL CIRCUIT SHORTED TO GROUND LEAK DETECTION PUMP LEAK DETECTION PUMP SOLENOID CONTROL CIRCUIT OPEN POWERTRAIN CONTROL MODULE TEST ACTION APPLICABILITY 1 Turn the ignition on. t, read DTC’s. Is the DTC Good Trip Counter displayed and equal to zero for P-1495? All Yes → No → 2 Turn the ignition off. t, actuate the Leak Detection Pump. Using a 12 volt test light connected to ground (B-), check the Generator Source All Yes → No → Repair the open Generator Source Circuit. 184 DRIVEABILITY - GAS |