Toyota Sienna Quiz
Door lock

How to proceed with troubleshooting

In this manual: Door lock
Introduction — 55Service specifications — 7Maintenance — 7Engine — 264U151e automatic transaxle — 108Transfer — 19Propeller shaft — 8Drive shaft — 14Differential — 16Axle — 18Suspension — 37Tire and wheel — 54Brake control — 141Parking brake — 16Steering Column — 11Power steering — 18Air conditioning — 106Supplemental restraint system — 146Seat belt — 22Theft deterrent — 14Engine immobiliser — 17Cruise control — 65Lighting — 61Wiper and washer — 13Door lock — 42Meter — 28Audio / visual — 94Navigation — 108Park assist / monitoring — 33Horn — 5Garage door opener — 42GR-FE Engine control system — 126Supplemental restraint system — 147Other system — 14Windshield / windowglass — 43Mirror — 23Instrument panel — 6Seat belt — 22Seat — 92Engine hood / door — 104Exterior — 39Interior — 5Sliding roof — 9Multiplex communication — 18Can communication — 23
2steps
~12min
1/5difficulty
Done 0 of 2

HINT:

  • Use these procedures to troubleshoot the power door lock control system.
  • The intelligent tester should be used in steps 3 and 5.

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

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A quick Toyota Sienna quiz: every answer comes with an explanation and a link to the manual page.