Toyota RAV4 manuals

Toyota Sienna Service Manual: How to proceed with troubleshooting

Toyota Sienna Service Manual / Door lock / Power door lock control system / How to proceed with troubleshooting

HINT:

1 VEHICLE BROUGHT TO WORKSHOP

2 CUSTOMER PROBLEM ANALYSIS

  1. Interview the customer to confirm the trouble

3 INSPECT COMMUNICATION FUNCTION OF MULTIPLEX COMMUNICATION SYSTEM (BEAN)

  1. Use the intelligent tester to check if the Multiplex Communication System (MPX) is functioning normally.

Result

Result

4 PROBLEM SYMPTOMS TABLE

Result

Result

5 OVERALL ANALYSIS AND TROUBLESHOOTING

  1. Terminals of ECU
  2. DATA LIST/ACTIVE TEST

6 REPAIR OR REPLACE

7 CONFIRMATION TEST

END

Parts location
...

Operation check
1. DOOR LOCK FAIL-SAFE  When a malfunction in the door control switch (manual switch, interlocked with key operation) has been detected, door lock/unlock operation becomes disabled. ...

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