Toyota RAV4 manuals

Toyota Sienna Service Manual: Terminals of ECU

1. POSITION CONTROL ECU AND SWITCH ASSEMBLY (POWER SEAT CONTROL SWITCH AND ECU)

  1.  Disconnect the P58 and P59 connectors.

POSITION CONTROL ECU AND SWITCH ASSEMBLY

  1. Check the voltage of each terminal of the wire harness side connectors.

POSITION CONTROL ECU AND SWITCH ASSEMBLY

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

  1.  Check the resistance of each terminal of the wire harness side connectors.

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

  1.  Reconnect the P58 and P59 connectors.
  2.  Check the voltage of each terminal of the connectors.

POSITION CONTROL ECU AND SWITCH ASSEMBLY

POSITION CONTROL ECU AND SWITCH ASSEMBLY

If the result is not as specified, the position control ECU and switch assembly may be malfunctioning.

2. OUTER MIRROR CONTROL ECU LH

  1.  Disconnect the outer mirror control ECU LH connector.

OUTER MIRROR CONTROL ECU LH

  1. Check the voltage of each terminal of the wire harness side connectors.

OUTER MIRROR CONTROL ECU LH

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

  1.  Check the resistance of each terminal of the wire harness side connector.

OUTER MIRROR CONTROL ECU LH

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

  1.  Reconnect the outer mirror control ECU LH connector.
  2.  Check the voltage of each terminal of the connectors.

OUTER MIRROR CONTROL ECU LH

If the result is not as specified, the outer mirror control ECU LH may be malfunctioning.

Problem symptoms table
HINT:  Inspect the fuse and relay before confirming the suspected areas in the table below.  Inspect each suspected area in numerical order for the corresponding symptom. If the ...

Diagnosis system
1. DESCRIPTION  Front power seat control system data can be read through the Data Link Connector 3 (DLC3) of the vehicle. When the system seems to be malfunctioning, use the intelligent ...

Other materials:

Transmission Range Sensor Circuit Malfunction (PRNDL Input)
DTC P0705 Transmission Range Sensor Circuit Malfunction (PRNDL Input) DESCRIPTION The park/neutral position switch detects the shift lever position and sends signals to the ECM. HINT: After confirming DTC P0705, use the intelligent tester to confirm the PNP switch signal in the ALL menu ...

Inspection
1. INSPECT FRONT DIFFERENTIAL (a) Using a dial indicator, measure the backlash of one pinion gear while holding the front differential side gear toward the case. Standard backlash: 0.05 - 0.20 mm (0.0020 - 0.0079 in.) NOTICE: Do not mount the surface of front differential case which cont ...

Air Mix Damper Position Sensor Circuit (Driver Side)
DESCRIPTION This sensor detects the position of the air mix control servo motor (air outlet damper) and sends the appropriate signals to the A/C amplifier. The position sensor is built in the air mix control servo motor. The position sensor resistance changes as the air mix control servo ...

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