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• When Monitored: • Set Condition: Possible Causes INTERMITTENT CONDITION EGR SOLENOID (K35) EGR SOLENOID CONTROL SHORTED TO VOLTAGE ENGINE CONTROL MODULE - INTERNAL SHORT TO VOLTAGE Diagnostic Test 1. CHECK FOR ACTIVE DTC NOTE: If the ECM detects and stores a DTC, the ECM also stores the engine/vehicle operating conditions NOTE: Before erasing stored DTCs, record these conditions. Attempting to duplicate these conditions may With the scan tool, erase ECM DTCs. Test drive the vehicle and monitor the scan tool for ECM DTCs. Did this DTC set again? Yes >> Go To 2 No >> Refer to the *CHECKING FOR AN INTERMITTENT DTC Diagnostic Procedure. (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING) 2. EGR SOLENOID Turn the ignition off. Disconnect the EGR Solenoid harness connector. Turn the ignition on. With the scan tool, erase ECM DTCs. Monitor the scan tool for ECM DTCs. Does the scan tool display P0403 EGR OPEN CIRCUIT? Yes >> Replace the EGR Solenoid. Perform the ECM Verification Test Ver. 1 (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING). No >> Go To 3 9 - 946 ENGINE DIESEL DIAG KJ |