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C1404-TRANSFER CASE RANGE POSITION SENSOR CIRCUIT LOW (CONTINUED) For a complete wiring diagram Refer to Section 8W • When Monitored: • Set Condition: Possible Causes INTERMITTENT TRANSFER CASE RANGE POSITION SENSOR CIRCUIT LOW (K504) DRIVETRAIN 5 VOLT SUPPLY CIRCUIT OPEN (K504) DRIVETRAIN 5 VOLT SUPPLY CIRCUIT SHORTED TO GROUND (T313) MODE SENSOR SIGNAL CIRCUIT SHORTED TO GROUND TRANSFER CASE MOTOR TRANSFER CASE CONTROL MODULE Diagnostic Test 1. T-CASE POSITION SENSOR VOLTAGE BELOW 0.4 VOLTS Ignition on, engine not running. With the scan tool under Data Display, read the T-Case Position Sensor voltage. Is the voltage below 0.4 volts? Yes >> Go to 2 No >> Go to 8 2. (K504) DRIVETRAIN 5 VOLT SUPPLY CIRCUIT VOLTAGE Turn the ignition off. Disconnect the Transfer Case Motor harness connector. Turn the ignition on. Measure the voltage of the (K504) Drivetrain 5 Volt Supply circuit. Is the voltage below 0.2 volts? Yes >> Go to 3 No >> Go to 5 21 - 906 TRANSFER CASE - ELECTRICAL DIAGNOSTICS WK |