Toyota Sienna Quiz
Engine hood / door

How to proceed with troubleshooting

In this manual: Engine hood / door
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
12steps
~72min
3/5difficulty
Done 0 of 12

HINT: Troubleshoot in accordance with the procedures on the following pages.

1 VEHICLE BROUGHT TO WORKSHOP

2 CUSTOMER PROBLEM ANALYSIS CHECK AND SYMPTOM CHECK

3 INSPECT COMMUNICATION FUNCTION OF LARGE-SCALE MULTIPLEX COMMUNICATION SYSTEM (BEAN)

  1. Use the intelligent tester to check for normal function of the multiplex communication system.
  2. (ECU unconnected, communication line malfunctioning) Without code outputs, proceed to A.
  3. (ECU unconnected, communication line malfunctioning) With code outputs, proceed to B.

4 DTC CHECK

  1. Check for a diagnostic trouble code.
  2. Without code outputs, proceed to A.
  3. With code outputs, proceed to B.

5 PROBLEM SYMPTOMS TABLE

  1. When problem is not listed on problem symptoms table, proceed to A.
  2. When problem is listed on problem symptoms table, proceed to B.

6 PERFORM TROUBLESHOOTING ACCORDING TO MALFUNCTION SYMPTOM

  1. Data List / Active Test.
  2. Operation check.
  3. Inspection.
  4. Terminals of ECU

7 ADJUST, REPAIR OR REPLACE

8 RESET POWER SLIDE DOOR SYSTEM

9 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.