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5. (K141) O2 1/2 SIGNAL CIRCUIT SHORTED TO THE (K904) O2 1/2 RETURN CIRCUIT Turn the ignition off. Measure the resistance between the (K141) O2 1/2 Signal circuit and Is the resistance below 100.0 ohms? Yes >> Repair the (K141) O2 1/2 Signal circuit for a short to the (K904) O2 1/2 Return. Perform the PCM Verification Test Ver. 1 (Refer to 9 - No >> Go to 6 6. (K141) O2 1/2 SIGNAL CIRCUIT SHORTED TO GROUND Turn the ignition off. Measure the resistance between ground and the (K141) O2 1/2 Signal Is the resistance below 100 ohms? Yes >> Repair the (K141) O2 1/2 Signal circuit for a short to ground. Perform the PCM Verification Test Ver. 1 (Refer to 9 - No >> Go to 7 7. (K904) O2 1/2 RETURN CIRCUIT SHORTED TO GROUND Measure the resistance between ground and the (K904) O2 1/2 Return Is the resistance below 100 ohms? Yes >> Repair the (K904) O2 1/2 Return circuit for a short to ground. Perform the PCM Verification Test Ver. 1 (Refer to 9 - No >> Go to 8 PM ENGINE ELECTRICAL DIAGNOSTICS - GPEC 9 - 747 |