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P0305-CYLINDER #5 MISFIRE (CONTINUED) 2. VISUAL INSPECTION NOTE: Anything that affects the speed of the crankshaft can cause a misfire DTC. NOTE: When a Misfire is detected for a particular cylinder, the PCM will shut down that cylinders Injector - Worn serpentine belt - Binding Engine-Driven accessories: A/C Compressor, P/S Pump, Water pump. - Misalignment of the Water pump, P/S Pump and A/C Compressor pulleys - Corroded PCM power and ground circuits. - Improper CKP, CMP, MAP, and TP Sensor mounting - Poor connector/terminal to component connection. i.e., CKP sensor, Fuel Injector, Ign coil, etc. - Vacuum leaks - Restricted Air Induction system or Exhaust system. - Internal engine component failures. Were any of the above conditions present? Yes >> Repair as necessary. Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE) No >> Go To 3 3. (K342) ASD RELAY OUTPUT CIRCUIT Turn the ignition off. Disconnect the Ignition Coil harness connector. Disconnect the Fuel Injector harness connector. Ignition on, engine not running. With the scan tool, actuate the ASD Relay. Using a 12-volt test light connected to ground, probe the (K342) ASD Does the test light illuminate brightly? Yes >> Go To 4 No >> Repair the excessive resistance or short to ground in the (K342) ASD Relay Output circuit. Perform the POWERTRAIN VERIFICATION TEST. (Refer 9 - 1762 ENGINE - ELECTRICAL DIAGNOSTICS - SRT-10 DR/DH |