C140D- TRANSFER CASE MOTOR CONTROL CIRCUIT OPEN

For a complete wiring diagram Refer to Section 8W

When Monitored:
With the ignition on and no system undervoltage or overvoltage condition present.
Set Condition:
The Final Drive Control Module detects an open circuit on one of the Transfer Case Shift Motor Control circuits.

Possible Causes

(T315) SHIFT MOTOR CONTROL A CIRCUIT OPEN

(T316) SHIFT MOTOR CONTROL B CIRCUIT OPEN

TRANSFER CASE MOTOR

FINAL DRIVE CONTROL MODULE

1. DTC IS ACTIVE

Is the status Active for this DTC?

Yes

2.(T315) SHIFT MOTOR CONTROL A CIRCUIT VOLTAGE

Is the voltage within 1 volt of battery voltage?

Yes

3.(T316) SHIFT MOTOR CONTROL B CIRCUIT VOLTAGE

Is the voltage within 1 volt of battery voltage?

Yes

4.(T315) SHIFT MOTOR CONTROL A CIRCUIT OPEN

Is the resistance above 5.0 ohms?

Yes

Repair the (T315) Shift Motor Control A circuit for an open.
Perform the TRANSFER CASE VERIFICATION TEST-VER 1 (Refer to 21 - TRANSMISSION/TRANSAXLE/TRANSFER CASE - STANDARD PROCEDURE).

Replace the Final Drive Control Module in accordance with the Service Information.
Perform the TRANSFER CASE VERIFICATION TEST-VER 1 (Refer to 21 - TRANSMISSION/TRANSAXLE/TRANSFER CASE - STANDARD PROCEDURE).

5.(T316) SHIFT MOTOR CONTROL B CIRCUIT OPEN

Is the resistance above 5.0 ohms?

Yes

Repair the (T316) Shift Motor Control B circuit for an open.
Perform the TRANSFER CASE VERIFICATION TEST-VER 1 (Refer to 21 - TRANSMISSION/TRANSAXLE/TRANSFER CASE - STANDARD PROCEDURE).

Replace the Final Drive Control Module in accordance with the Service Information.
Perform the TRANSFER CASE VERIFICATION TEST-VER 1 (Refer to 21 - TRANSMISSION/TRANSAXLE/TRANSFER CASE - STANDARD PROCEDURE).

6.TRANSFER CASE MOTOR

Were any problems found?

Yes

Replace the Transfer Case Motor in accordance with the Service Information.
Perform the TRANSFER CASE VERIFICATION TEST-VER 1 (Refer to 21 - TRANSMISSION/TRANSAXLE/TRANSFER CASE - STANDARD PROCEDURE).

7.INTERMITTENT WIRING AND CONNECTORS

Were any problems found?

Yes