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:

Short to GND in Side Squib LH Circuit
DTC B0117/45 Short to GND in Side Squib LH Circuit DESCRIPTION The side squib LH circuit consists of the center airbag sensor assembly and the front seat side airbag assembly LH. This circuit instructs the SRS to deploy when deployment conditions are met. DTC B0117/45 is recorded when a s ...

Short in Side Squib RH Circuit
DTC B0110/43 Short in Side Squib RH Circuit DESCRIPTION The side squib RH circuit consists of the center airbag sensor assembly and the front seat side airbag assembly RH. The circuit instructs the SRS to deploy when deployment conditions are met. DTC B0110/43 is recorded when a short cir ...

Front Occupant Classification Sensor LH Collision Detection
DTC B1785 Front Occupant Classification Sensor LH Collision Detection DESCRIPTION DTC B1785 is output when the occupant classification ECU receives a collision detection signal sent by the front occupant classification sensor LH if an accident occurs. DTC B1785 is also output when the front ...

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