How To Proceed With Troubleshooting

DOOR LOCK: SMART ACCESS SYSTEM WITH PUSH-BUTTON START: HOW TO PROCEED WITH TROUBLESHOOTING

HINT
* Use these procedures to troubleshoot the smart access system with push-button start.
* *: 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. INSPECT COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*

(a) Use the Techstream to check if the CAN communication system is functioning normally.





B -- Go to CAN COMMUNICATION SYSTEM CAN Communication System
A -- Continue to next step.

4. INSPECT COMMUNICATION FUNCTION OF LIN COMMUNICATION SYSTEM*

(a) Use the Techstream to check if the LIN communication system is functioning normally.





B -- Go to LIN COMMUNICATION SYSTEM LIN Communication System
A -- Continue to next step.

5. CHECK FOR DTC*

(a) Check for DTCs. Based on the DTCs output above, try to cause the output of the same steering lock system DTC or engine immobilizer system DTC by simulating the symptoms indicated by the DTC.





B -- Go to STEERING LOCK SYSTEM Steering Lock System

C -- Go to ENGINE IMMOBILIZER SYSTEM Engine Immobilizer System
A -- Continue to next step.

6. PROBLEM SYMPTOMS TABLE





B -- Go to step 8
A -- Continue to next step.

7. OVERALL ANALYSIS AND TROUBLESHOOTING*

(a) Operation check Operation Check

(b) Data List /Active Test Smart Access System With Push-Button Start

(c) Terminals of ECU Smart Access System With Push-Button Start

NEXT -- Continue to next step.

8. REPAIR OR REPLACEMENT

NEXT -- Continue to next step.

9. CONFIRMATION TEST

NEXT -- END