U1418

U1418-IMPLAUSIBLE RIGHT WHEEL DISTANCE SIGNAL RECEIVED





For a complete wiring diagram refer to Diagrams/Electrical.


Theory of Operation


The ABS Module sends an implausible distance signal over the CAN C Bus circuit to the PCM.

- When Monitored:

Ignition on.

- Set Condition:

The PCM gets an implausible signal over the CAN C circuit from the ABS Module. The circuit is continuously monitored.







Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding.


Diagnostic Test


1. ACTIVE DTC

Ignition on, engine not running.

With a scan tool, select View DTCs.

Is the U1418-IMPLAUSIBLE RIGHT WHEEL DISTANCE SIGNAL RECEIVED active at this time?

Yes

- Go To 2

No

- Refer to the INTERMITTENT CONDITION Diagnostic Procedure. Intermittent Condition

2. ABS MODULE IS ACTIVE ON THE CAN C BUS

With the scan tool, select ECU View.

Verify that the ABS Module active on the bus.

Is the ABS Module active on the bus?

Yes

- Go To 3

No

- Refer to Computer and Control Systems / Testing and Inspection for No Response diagnostic procedures.

- Perform BODY VERIFICATION TEST VER-1. Body Verification Test


3. DTCS STORED OR ACTIVE IN THE ABS MODULE

Check for DTCs in the ABS Module.

Are any DTCs active or stored in the ABS Module?

Yes

- Refer to diagnostics for the DTC's in the ABS Module.

- perform ABS VERIFICATION TEST VER 1. ABS Verification Test

No

- Go to 4


4. ACTIVE DTCS IN THE TIPM

With the scan tool, select ECU View and select TIPM.

With the scan tool, view active DTCs.

Are any Communication DTCs active in the TIPM relating to the ABS System?

Yes

- Replace the ABS Module.
- Perform the POWERTRAIN VERIFICATION TEST. Powertrain Verification Test

No

- Replace and program the Powertrain Control Module.
- Perform the POWERTRAIN VERIFICATION TEST. Powertrain Verification Test