Toyota Sienna Quiz
Seat

Terminals of ECU

In this manual: Seat
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
8steps
~48min
2/5difficulty
Done 0 of 8

1. FOLD SEAT CONTROL ECU LH

FOLD SEAT CONTROL ECU LH
  1. Disconnect the fold seat control ECU connectors.
  2. Measure the voltage and resistance of the wire harness side connectors.
    FOLD SEAT CONTROL ECU LH

If the result is not as specified, there may be a malfunction on the wire harness side.

  1. Reconnect the fold seat control ECU connectors.
  2. Measure the voltage of the connectors.
    FOLD SEAT CONTROL ECU LH
    FOLD SEAT CONTROL ECU LH
    FOLD SEAT CONTROL ECU LH

If the result is not as specified, the fold seat control ECU may have a malfunction.

2. FOLD SEAT CONTROL ECU RH

FOLD SEAT CONTROL ECU RH
  1. Disconnect the fold seat control ECU connectors.
  2. Measure the voltage and resistance of the wire harness side connectors.
    FOLD SEAT CONTROL ECU RH

If the result is not as specified, there may be a malfunction on the wire harness side.

  1. Reconnect the fold seat control ECU connectors.
  2. Measure the voltage of the connectors.
    FOLD SEAT CONTROL ECU RH
    FOLD SEAT CONTROL ECU RH
    FOLD SEAT CONTROL ECU RH

If the result is not as specified, the fold seat control ECU may have a malfunction.

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