Diagnostic Test

TEST FOR INTERMITTENT CONDITION
NOTE:
Check for any TSB(s) related to the condition. If a TSB applies, perform the procedure outlined in the TSB before continuing.
1. Turn the ignition on.
  NOTE:
  Ensure the IOD fuse is installed and battery voltage is between 10.0 and 16.0 volts.
2. With the scan tool, select ECU View.
  NOTE:
  A red "X" will be next to the module that is not communicating, indicating that the module is not active on the Bus network. A green check indicates that the module is active on the Bus network.
  
  NOTE:
  Check the TIPM for any active CAN C hardware DTCs, perform appropriate DTC diagnostics before proceeding.
  
  Does the scan tool display a red "X" next to the module?
  
  Yes
  - Go To 2
  No
  - The no response condition is not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring for chafed, pierced, pinched, and partially broken wires and the wiring harness connectors for broken, bent, pushed out, and corroded terminals.
(F202) IGNITION SWITCH OUTPUT (RUN-START) CIRCUIT OPEN OR SHORTED

Fig 1: Checking Ignition Switch Output (Run/Start) Circuit Using 12-Volt Test Light Connected To Ground
Courtesy of CHRYSLER GROUP, LLC
1. Turn the ignition off.
2. Disconnect the AWD harness connector.
3. Turn the ignition on.
4. Using a 12-volt test light connected to ground, check the (F202) Ignition Switch Output (Run-Start) circuit.
  Does the test light illuminate brightly?
  
  Yes
  - Go To 3
  No
  - Repair the (F202) Ignition Switch Output (Run-Start) circuit for an open or short.
  - Perform the AWD VERIFICATION TEST. Refer to STANDARD PROCEDURE .
(A923) FUSED B(+) CIRCUIT OPEN OR SHORTED

Fig 2: Checking Fused B(+) Circuit For An Open Or Short
Courtesy of CHRYSLER GROUP, LLC
1. Using a 12-volt test light connected to ground, check the (A923) Fused B+ circuit.
  Does the test light illuminate brightly?
  
  Yes
  - Go To 4
  No
  - Repair the (A923) Fused B+ circuit for an open or short.
  - Perform the AWD VERIFICATION TEST. Refer to STANDARD PROCEDURE .
(Z967) GROUND CIRCUIT OPEN

Fig 3: Checking Ground Circuit For An Open
Courtesy of CHRYSLER GROUP, LLC
1. Turn the ignition off.
2. Using a 12-volt test light connected to 12-volts, check the (Z967) ground circuit.
  Does the test light illuminate brightly?
  
  Yes
  - Go To 5
  No
  - Repair the (Z967) ground circuit for an open.
  - Perform the AWD VERIFICATION TEST. Refer to STANDARD PROCEDURE .
(D65) CAN C BUS (+) CIRCUIT OPEN

Fig 4: Checking CAN C BUS (+) Circuit For An Open
Courtesy of CHRYSLER GROUP, LLC
1. Disconnect the TIPM C3 harness connector.
2. Measure the resistance of the (D65) CAN C Bus (+) circuit between the TIPM C3 harness connector and the AWD harness connector.
  Is the resistance below 5.0 ohms?
  
  Yes
  - Go To 6
  No
  - Repair the (D65) CAN C Bus (+) circuit for an open.
  - Perform the AWD VERIFICATION TEST. Refer to STANDARD PROCEDURE .
(D64) CAN C BUS (-) CIRCUIT OPEN

Fig 5: Measuring Resistance Of (D64) CAN C Bus (-) Circuit Between TIPM C3 Harness Connector & AWD Harness Connector
Courtesy of CHRYSLER GROUP, LLC
1. Measure the resistance of the (D64) CAN C Bus (-) circuit between the TIPM C3 harness connector and the AWD harness connector.
  Is the resistance below 5.0 ohms?
  
  Yes
  - Replace and program the All Wheel Drive Control (AWD) Module in accordance with the Service Information.
  - Perform the AWD VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Repair the (D64) CAN C Bus (-) circuit for an open.
  - Perform the AWD VERIFICATION TEST. Refer to STANDARD PROCEDURE .