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7. FUSED IGNITION SWITCH OUTPUT (START) CIRCUIT (ATX) Turn the ignition off. Using a 12-volt test light connected to ground, probe the Fused Ignition Turn the ignition to the crank position. Does the test light illuminate brightly? Yes >> Repair the Start Enable circuit. Perform the PCM Verification Test Ver. 1 (Refer to 9 - No >> Check the Fused Ignition Switch Output (Start) circuit for an open. If OK, replace the TIPM in accordance with the Ser- Perform the PCM Verification Test Ver. 1 (Refer to 9 - 8. START ENABLE OPERATION (MTX) Turn ignition on. Using a scan tool, monitor the Ignition Start Switch Sense. Turn the ignition switch to the crank position. Does the Ignition Start Switch Sense state change from Low to High? Yes >> Go to 10 No >> Go to 9 9. STATER ENABLE CIRCUIT (MTX) Turn the ignition off. Disconnect the PCM harness connector. Using a 12-volt test light connected to ground, probe the Start Enable Does the test light illuminate brightly? Yes >> Replace the PCM in accordance with the Service informa- tion. Perform the PCM Verification Test Ver. 1 (Refer to 9 - No >> Check the Start Enable circuit. If OK, replace the TIPM in accordance with the Service Information. Perform the PCM Verification Test Ver. 1 (Refer to 9 - PM ENGINE ELECTRICAL DIAGNOSTICS - GPEC 9 - 927 |