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3. (K363) PTC NO. 3 RELAY CONTROL CIRCUIT SHORTED TO VOLTAGE Turn the ignition off. Disconnect the Engine Control Module (ECM) harness connector. Remove the ASD Relay from the IPM. Connect a jumper wire between cavity 30 and cavity 87 of the ASD Turn the ignition on. Measure the voltage of the (K363) PTC No. 3 Relay Control circuit in Is there any voltage present? Yes >> Repair the (K363) PTC No. 3 Relay Control circuit for a short to voltage. Perform the ECM Verification Test Ver. 1. (Refer to 9 - No >> Go to 4 4. (K363) PTC NO. 3 RELAY CONTROL OPEN OR HIGH RESISTANCE Turn the ignition off. Measure the resistance of the (K363) PTC No. 3 Relay Control circuit Is the resistance below 10.0 ohms? Yes >> Go to 5 No >> Repair the (K363) PTC No. 3 Relay Control circuit for an open circuit or high resistance. Perform the ECM Verification Test Ver. 1. (Refer to 9 - 9 - 1828 ENGINE ELECTRICAL DIAGNOSTICS - DIESEL LX |