Diagnostic Routine I

Diagnostic Routine I

Diagnostic Overview

U0123:00

Normal Operation and Fault Conditions

DTC Fault Trigger Conditions






Pinpoint Test

1. VERIFY THE CUSTOMER CONCERN

1. Ignition ON.

2. Verify there is an observable symptom present.

Is an observable symptom present?








2. CHECK THE COMMUNICATION NETWORK

1. Ignition ON.

2. Using a scan tool, perform a network test.

Does the RCM (Restraints Control Module) pass the network test?








3. RETRIEVE THE RECORDED DTCs (Diagnostic Trouble Codes) FROM THE C-CM (Cruise-Control Module) AND THE RCM (Restraints Control Module) SELF-TEST

1. Using a scan tool, perform the C-CM (Cruise-Control Module) and the RCM (Restraints Control Module) self-tests.

Is DTC (Diagnostic Trouble Code) U3003:16 or DTC (Diagnostic Trouble Code) U3003:17 recorded?








4. RECHECK THE C-CM (Cruise-Control Module) DTCs (Diagnostic Trouble Codes)

1. NOTE: If new modules were installed prior to the DTC (Diagnostic Trouble Code) being set, the module configuration can be incorrectly set during the PMI (Programmable Module Installation) or the PMI (Programmable Module Installation) may not have been carried out.

Using a scan tool, clear the DTCs (Diagnostic Trouble Codes).

2. Repeat the C-CM (Cruise-Control Module) self-test.

Is DTC (Diagnostic Trouble Code) U0123:00 still present?








5. CHECK FOR DTC (Diagnostic Trouble Code) U0123:00 OR DTC (Diagnostic Trouble Code) U0151:00 SET IN OTHER MODULES

1. Using a scan tool, clear all DTCs (Diagnostic Trouble Codes).

2. Ignition OFF.

3. Using a scan tool, perform self-test.

4. Ignition ON.

5. Wait 10 seconds.

6. Retrieve the continuous memory DTCs (Diagnostic Trouble Codes) from all modules.

Is DTC (Diagnostic Trouble Code) U0123:00 or DTC (Diagnostic Trouble Code) U0151:00 set in other modules?