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P0443-EVAP PURGE SOLENOID CIRCUIT (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 (K52) EVAP PURGE CONTROL CIRCUIT OPEN (K52) EVAP PURGE SOLENOID CONTROL CIRCUIT SHORTED TO GROUND (K70) EVAP PURGE SOLENOID SIGNAL CIRCUIT OPEN (K70) EVAP PURGE SOLENOID SIGNAL CIRCUIT SHORTED TO GROUND EVAP PURGE SOLENOID PCM Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to 9 - ENGINE - Diagnostic Test 1. ACTIVE DTC Ignition on, engine not running. With the scan tool, read DTCs. Is the DTC active at this time? Yes >> Go To 2 No >> Refer to the INTERMITTENT CONDITION Diagnostic Procedure. Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE) 2. EVAP PURGE SOLENOID OPERATION Turn the ignition off. Disconnect the EVAP Purge Solenoid harness connector. Ignition on, engine not running. Using a 12-volt test light, jump across the (K52) Evap Purge Solenoid With a scan tool, actuate the EVAP Purge Solenoid. Does the test light flash on and off? Yes >> Replace the EVAP Purge Solenoid. Perform the POWERTRAIN VERIFICATION TEST. (Refer No >> Go To 3 HB ENGINE ELECTRICAL DIAGNOSTICS 9 - 483 |