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C1405- TRANSFER CASE RANGE POSITION SENSOR CIRCUIT HIGH (CONTINUED) For a complete wiring diagram Refer to Section 8W • When Monitored: • Set Condition: Possible Causes INTERMITTENT CONDITION (T103) 5 VOLT SUPPLY CIRCUIT SHORTED TO VOLTAGE (D201) MODE SENSOR A CIRCUIT SHORTED TO VOLTAGE (D201) MODE SENSOR A CIRCUIT OPEN (G180) FCM SENSOR RETURN CIRCUIT OPEN SHIFT MOTOR/MODE SENSOR ASSEMBLY INTEGRATED POWER MODULE FRONT CONTROL MODULE Diagnostic Test 1. T-CASE POSITION SENSOR VOLTAGE ABOVE 4.8 VOLTS Ignition on, engine not running. With the scan tool under Data Display, read the T-Case Position Sensor voltage. Is the voltage above 4.8 volts? Yes >> Go To 2 No >> Go to 10 2. (T103) 5 VOLT SUPPLY CIRCUIT SHORTED TO VOLTAGE Turn the ignition off. Disconnect the Shift Motor/Mode Sensor connector. Turn the ignition on. Measure the voltage of the (T103) 5 Volt Supply circuit. Is the voltage above 5.5 volts? Yes >> Repair the (T103) 5 Volt Supply circuit for a short to volt- age. Perform the TRANSFER CASE VERIFICATION TEST- No >> Go to 3 21 - 844 TRANSFER CASE - ELECTRICAL DIAGNOSTICS ND |