How To Proceed With Troubleshooting

DOOR LOCK: SMART KEY SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING

HINT
* Use these procedures to troubleshoot the smart key 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. INSPECT COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*

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

Result:





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

4. INSPECT COMMUNICATION FUNCTION OF LIN COMMUNICATION*

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

Result:





B -- DIAGNOSTIC TROUBLE CODE CHART Smart Key System

C -- DIAGNOSTIC TROUBLE CODE CHART Smart Key System
A -- Continue to next step.

5. PROBLEM SYMPTOMS TABLE

Result:





B -- Go to step 7
A -- Continue to next step.

6. OVERALL ANALYSIS AND TROUBLESHOOTING*

(a) Operation check Operation Check

(b) Data List / Active Test Door Lock - Smart Key System

(c) Terminals of ECU Door Lock - Smart Key System

NEXT -- Continue to next step.

7. ADJUST, REPAIR OR REPLACE

NEXT -- Continue to next step.

8. CONFIRMATION TEST

NEXT -- END