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8. (T752) STARTER RELAY CONTROL CIRCUIT SHORTED TO VOLTAGE Turn the ignition off. Disconnect the ECM harness connectors. Remove the ASD Relay from the IPM. Using a jumper wire, connect ASD Relay connector cavities 30 and 87 Turn the ignition on. Measure the voltage of the (T752) Starter Relay Control circuit. Is the voltage above 1.0 volt? Yes >> Repair the (T752) Starter Relay Control circuit for a short to voltage. Perform the ECM Verification Test Ver. 1. (Refer to 9 - No >> Go To 9 9. (T752) STARTER RELAY CONTROL CIRCUIT OPEN Turn the ignition off. Measure the resistance of the (T752) Starter Relay Control circuit Is the resistance below 10.0 ohms? Yes >> Replace the Engine Control Module in accordance with the Service Information. Perform the ECM Verification Test Ver. 1. (Refer to 9 - No >> Repair the (T752) Starter Relay Control circuit for an open. 9 - 1864 ENGINE ELECTRICAL DIAGNOSTICS - DIESEL LX |