Diagnostic Test

WARNING: This page is about a different car, the 2008 Dodge Magnum, 2008 Dodge Charger, and 2008 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.

TEST FOR INTERMITTENT CONDITION
Turn the ignition on.

NOTE: Ensure the IOD fuse is installed and battery voltage is between 10.0 and 16.0 volts.

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 before proceeding.

Does the scan tool display a red X next to the module?

Yes
1. Go To step 2.
No
1. 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.
(A209) FUSED B(+) CIRCUIT OPEN OR SHORTED

Fig 1: Checking (A209) Fused B(+) Circuit Open Or Shorted
Courtesy of CHRYSLER LLC

Turn the ignition off.

Disconnect the PCM C1 harness connector.

CAUTION: Do not probe the PCM harness connectors. Probing the PCM harness connectors will damage the PCM terminals resulting in poor terminal to pin connection. Install Miller Special Tool #8815 to perform diagnosis.

Using a 12-volt test light connected to ground, check the (A209) Fused B(+) circuit.

Does the test light illuminate brightly?

Yes
1. Go To step 3.
No
1. Repair the (A209) Fused B(+) circuit for an open or short.
2. Perform *PCM VERIFICATION TEST .
(Z904) (Z920) GROUND CIRCUITS OPEN

Fig 2: Checking (Z904) (Z920) Ground Circuits Open
Courtesy of CHRYSLER LLC

Using a 12-volt test light connected to 12-volts, check each (Z904) and (Z920) ground circuit.

Does the test light illuminate brightly for each circuit?

Yes
1. Go To step 4.
No
1. Repair the appropriate ground circuit for an open.
2. Perform *PCM VERIFICATION TEST .
(F950) RUN/START RELAY OUTPUT CIRCUIT OPEN OR SHORTED

Fig 3: Checking (F950) Run/Start Relay Output Circuit Open Or Shorted
Courtesy of CHRYSLER LLC

Turn the ignition on.

Using a 12-volt test light connected to ground, check the (F950) Run/Start Relay Output circuit.

Does the test light illuminate brightly?

Yes
1. Go To step 5.
No
1. Repair the (F950) Run/Start Relay Output circuit for an open or short.
2. Perform *PCM VERIFICATION TEST .
(F342) FUSED ASD RELAY OUTPUT CIRCUIT OPEN OR SHORTED

Fig 4: Checking (F950) Run/Start Relay Output Circuit Open Or Shorted
Courtesy of CHRYSLER LLC

Turn the ignition on.

Using a 12-volt test light connected to ground, check the (F342) Fused ASD Relay Output circuit.

Does the test light illuminate brightly?

Yes
1. Go To step 6.
No
1. Repair the (F342) Fused ASD Relay Output circuit for an open or short.
2. Perform *PCM VERIFICATION TEST .
(D65) CAN C BUS (+) CIRCUIT OPEN

Fig 5: Measuring Resistance Of (D65) CAN C Bus (+) Circuit Between TIPM C6 Harness Connector
Courtesy of CHRYSLER LLC

Turn the ignition off.

Disconnect the TIPM C6 harness connector.

Measure the resistance of the (D65) CAN C Bus (+) circuit between the TIPM C6 harness connector and the appropriate terminal of the special tool #8815.

Is resistance below 5.0 ohms?

Yes
1. Go To step 7.
No
1. Repair the (D65) CAN C Bus (+) circuit for an open.
2. Perform *PCM VERIFICATION TEST .
(D64) CAN C BUS (-) CIRCUIT OPEN

Fig 6: Measuring Resistance Of (D64) CAN C Bus (-) Circuit Between TIPM C6 Harness Connector
Courtesy of CHRYSLER LLC

Measure the resistance of the (D64) CAN C Bus (-) circuit between the TIPM C6 harness connector and the appropriate terminal of the special tool #8815.

Is resistance below 5.0 ohms?

Yes
1. Replace and program the Powertrain Control Module in accordance with the service information.
2. Perform *PCM VERIFICATION TEST .
No
1. Repair the (D64) CAN C Bus (-) circuit for an open.
2. Perform *PCM VERIFICATION TEST .