|
|
P0453-NVLD PRESSURE SWITCH STUCK OPEN (CONTINUED) For the Engine circuit diagram (Refer to 9 - ENGINE - SCHEMATICS AND DIAGRAMS). For a complete wiring diagram Refer to Section 8W. • When Monitored: • Set Condition: Possible Causes (K107) NVLD SWITCH SIGNAL CIRCUIT SHORTED TO BATTERY VOLTAGE (K107) NVLD SWITCH SIGNAL CIRCUIT OPEN (K107) NVLD SWITCH SIGNAL CIRCUIT SHORTED TO THE (K106) NVLD SOLENOID CONTROL CIRCUIT (Z904) GROUND CIRCUIT OPEN NVLD ASSEMBLY PCM Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to 9 - ENGINE - Diagnostic Test 1. NVLD SWITCH OPERATION Start the engine. Allow the engine to idle. Using a scan tool, perform the NVLD FORCED MONITOR TEST. Monitor the NVLD Switch state. NOTE: As the test runs, the NVLD Switch should go from an OPEN state to a CLOSED state and then return Did the NVLD Switch operate as described above? Yes >> Refer to the INTERMITTENT CONDITION Diagnostic Procedure. Perform POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE) No >> Go To 2 9 - 450 ENGINE ELECTRICAL DIAGNOSTICS ND |