How to Proceed With Troubleshooting

STEERING COLUMN: STEERING LOCK SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING

HINT
* Use the following procedures to troubleshoot the steering lock system.
* *: Use the Techstream.

1. VEHICLE BROUGHT TO WORKSHOP

NEXT -- Continue to next step.

2. CUSTOMER PROBLEM ANALYSIS

NEXT -- Continue to next step.

3. INSPECT BATTERY VOLTAGE

Standard voltage:

11 to 14 V

If the voltage is below 11 V, recharge or replace the battery before proceeding.

HINT
A simple method to determine whether the battery is depleted is to operate the horn.

NEXT -- Continue to next step.

4. CHECK DTC*

(a) Check for DTCs and make a note of any codes that are output Reading and Clearing Diagnostic Trouble Codes.

Result





HINT
* When steering lock system DTCs are output, refer to Diagnostic Trouble Code Chart Steering Lock System.
* The steering lock system does not store past DTCs.

B -- USE SIMULATION METHOD TO CHECK How To Proceed With Troubleshooting

C -- Go to step 7

D -- Go to LIN COMMUNICATION SYSTEM (DIAGNOSTIC TROUBLE CODE CHART) LIN Communication System
A -- Continue to next step.

5. PROBLEM SYMPTOMS TABLE

(a) Refer to Problem Symptoms Table Problem Symptoms Table.

Result





B -- Go to step 6
A -- Continue to next step.

6. OVERALL ANALYSIS AND TROUBLESHOOTING*

(a) Data List / Active Test Scan Tool Testing and Procedures.

(b) Terminals of ECU Pinout Values and Diagnostic Parameters.

NEXT -- Continue to next step.

7. REPAIR OR REPLACE

NEXT -- Continue to next step.

8. CHECK DTC AGAIN*

(a) Clear the DTCs Reading and Clearing Diagnostic Trouble Codes.

(b) Check for DTCs and make a note of any codes that are output Reading and Clearing Diagnostic Trouble Codes.

HINT
Perform the DTC output confirmation operation.

Result





B -- GO TO DIAGNOSTIC TROUBLE CODE CHART

A -- END