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
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Diagnosis system
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Other materials:

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Symptom simulation
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Oil and oil filter
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