Toyota RAV4 manuals

Toyota Sienna Service Manual: Terminals of ECU

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.

Problem symptoms table
HINT:  Use the table below to help determine the cause of the problem symptom. The potential causes of the symptoms are listed in order of probability in the "Suspect Area" co ...

Diagnosis system
1. CHECK DLC3  The vehicle uses ISO 15765-4 communication protocol. The terminal arrangement of the DLC3 complies with SAE 1962 and matched the ISO 15765-4 format. If the resul ...

Other materials:

Mute Signal Circuit between Radio Receiver and Television Display Assembly
DESCRIPTION The radio receiver controls the volume according to the MUTE signal from the television display assembly. The MUTE signal is sent to reduce noise and a popping sound generated when switching the mode, etc. If there is an open in the circuit, noise can be heard from the speake ...

ACIS Control Circuit
DESCRIPTION This circuit opens and closes the Intake Air Control Valve (IACV) in response to changes in the engine load in order to increase the intake efficiency (ACIS: Acoustic Control Induction System). When the engine speed is between 0 and 4450 rpm and the throttle valve opening angl ...

Inspection
1. Inspect starter assembly NOTICE: These tests must be performed within 3 to 5 seconds to avoid burning out the coil. (a) Perform the pull-in test. (1) Disconnect the lead wire from terminal C. (2) Connect the battery to the magnetic switch as shown in the illustratio ...

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