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:

Voice settings
This screen is used for guidance for voice command systems setting. Adjust the voice guidance volume setting. Set the voice recognition prompts “High”, “Low” or “Off”. Set the train voice recognition. Set the voice prompt interrupt on/off. Set the voice recognition ...

Short to B+ in Driver Side Squib Circuit
DTC B0103/12 Short to B+ in Driver Side Squib Circuit DESCRIPTION The driver side squib circuit consists of the center airbag sensor assembly, the spiral cable and the steering pad. The circuit instructs the SRS to deploy when deployment conditions are met. DTC B0103/12 is recorded when a ...

Other functions
Switching between outside air and recirculated air modes Press . The mode switches between outside air mode ( appears on the display) and recirculated air mode ( appears on the display) each time the button is pressed. Defogging the windshield Defoggers are used to defog the windshield a ...

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