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3. CHECK THE (K77) TRANSFER CASE POSITION SENSOR INPUT CIRCUIT FOR A SHORT TO VOLTAGE Turn the ignition off. Disconnect the BCM C2 harness connector. Turn the ignition on. Measure the voltage of the (K77) Transfer Case Position Sensor Input Is the voltage above 0.2 volts? Yes >> Repair the (K77) Transfer Case Position Sensor Input circuit for a short to voltage. No >> Replace and program the BCM in accordance with the Ser- vice Information. Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - CONTROL MODULES - STANDARD PROCEDURE). 4. CHECK THE (K77) TRANSFER CASE POSITION SENSOR INPUT CIRCUIT & THE (K300) SENSOR Turn the ignition off. Connect a jumper wire between the (K77) Transfer Case Position Sen- Turn the ignition on. With the scan tool, read the Transfer Case Position Sensor Input volt- Is the voltage below 1.0 volt? Yes >> Replace the Transfer Case Position Sensor in accordance with the Service Information. Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - CONTROL MODULES - STANDARD PROCEDURE). No >> Go To 5 8E - 24 ELECTRONIC CONTROL MODULES - ELECTRICAL DIAGNOSTIC KJ |