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2. ENGINE OIL DIRTY OR CONTAMINATED Turn the ignition off. Inspect engine oil for signs of contamination, sludge, or foreign material. Were any problems found? Yes >> Clean the engine oil system, including oil passages and, if necessary, replace the Oil Control Valve inlet screen(s), in accordance with the Service Information. Perform the PCM Verification Test Ver. 1 (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING). No >> Go to 3 3. INCORRECT ENGINE OIL VISCOSITY Review service history to determine if the correct viscosity engine oil was used. Were any problems found? Yes >> Change the engine oil in accordance with the Service Information and retest. Perform the PCM Verification Test Ver. 1 (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING). No >> Go to 4 4. CAMSHAFT 1/2 POSITION SOLENOID CONTROL ACTUATION Turn the ignition on. With the scan tool, actuate the Camshaft 1/2 Position Solenoid control to toggle on and off. Listen for the Camshaft 1/2 Position Solenoid to click open and closed during the actuation. Does the Camshaft 1/2 Position Solenoid click open and closed during the actuation? Yes >> Go to 8 No >> Go to 5 5. (K343) FUSED MAIN RELAY OUTPUT CIRCUIT HIGH RESISTANCE Turn the ignition off. Disconnect the Camshaft 1/2 Position Solenoid connector. Turn the ignition on. Using a 12 volt test light connected to ground, check the (K343) Fused NOTE: The test light should be illuminated and bright. Compare Is the test light illuminated and bright? Yes >> Go to 6 No >> Repair the (K343) Fused Main Relay Output circuit for high resistance. Perform the PCM Verification Test Ver. 1 (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING). PM ENGINE ELECTRICAL DIAGNOSTICS - GPEC 9 - 27 |