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:

Rear Air Conditioning Control Panel Circuit
DESCRIPTION This is the rear A/C system control signal circuit as well as the power supply circuit of the rear A/C control assembly. Pulse signals regarding rear A/C control panel switch operation are transmitted between the A/C amplifier and rear A/C control assembly. WIRING DIAGRAM ...

Precaution
1. NOTES FOR CLEARANCE SONAR SYSTEM  Under the following conditions, the sensor of the clearance sonar may not operate properly:  Foreign matter such as snow or mud gets on the sensor (the detection function will return to normal when the foreign matter is no longer prese ...

Fail-safe chart
1. FAIL-SAFE This function minimizes the loss of the ECT functions when any malfunction occurs in a sensor or solenoid. (a) ATF (Automatic Transmission Fluid) temperature sensor: When the ATF temperature sensor has a malfunction, 5th upshift is prohibited. (b) Counter gear speed sensor NC ...

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