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 LARGE-SCALE MULTIPLEX COMMUNICATION SYSTEM (BEAN)

(a) Use the Techstream to check if the Multiplex Communication System (MPX) is functioning normally.

Result:





B -- Go to MULTIPLEX COMMUNICATION SYSTEM
A -- Continue to next step.

4. PROBLEM SYMPTOMS TABLE

Result:





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

5. OVERALL ANALYSIS AND TROUBLESHOOTING*

(a) On-vehicle inspection On-Vehicle Inspection

(b) DATA LIST/ACTIVE TEST

(c) Terminals of ECU

(d) Inspection

NEXT -- Continue to next step.

6. REPAIR OR REPLACEMENT

NEXT -- Continue to next step.

7. CONFIRMATION TEST

NEXT -- END