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. INSPECT BATTERY VOLTAGE

Standard voltage:

11 to 14 V

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

NEXT -- Continue to next step.

3. CHECK DTC*

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

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

(c) Recheck for DTCs Reading and Clearing Diagnostic Trouble Codes. Based on the DTCs output above, try to cause the output of the same wireless door lock control system DTC, LIN communication system DTC, steering lock system DTC, engine immobiliser system DTC or smart key system (for entry function) DTC by reproducing the symptoms indicated by the DTC.

Result





B -- Go to WIRELESS DOOR LOCK CONTROL SYSTEM (DIAGNOSTIC TROUBLE CODE CHART) Wireless Door Lock Control System (w/ Smart Key System)

C -- Go to LIN COMMUNICATION SYSTEM (DIAGNOSTIC TROUBLE CODE CHART) LIN Communication System

D -- Go to DIAGNOSTIC TROUBLE CODE CHART Steering Lock System

E -- Go to ENGINE IMMOBILISER SYSTEM (DIAGNOSTIC TROUBLE CODE CHART) Engine Immobiliser System (w/ Smart Key System)

F -- Go to SMART KEY SYSTEM (DIAGNOSTIC TROUBLE CODE CHART) Smart Key System (for Entry Function)
A -- Continue to next step.

4. PROBLEM SYMPTOMS TABLE

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

Result





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

5. OVERALL ANALYSIS AND TROUBLESHOOTING*

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

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

NEXT -- Continue to next step.

6. REPAIR OR REPLACE

NEXT -- Continue to next step.

7. CONFIRMATION TEST

NEXT -- END