Toyota RAV4 manuals

Toyota Sienna Service Manual: Mirror Switch Circuit

DESCRIPTION

HINT: The power mirror control system is part of the multiplex communication system (BEAN). This system features shared communication wiring that reduces the wiring complexity of the communication lines.

The first step in any repair is to confirm the proper operation of the communication system. Proceed with troubleshooting after the communication has been verified (See Multiplex Communication System).

WIRING DIAGRAM

WIRING DIAGRAM

INSPECTION PROCEDURE

1 INSPECT OUTER MIRROR SWITCH

 INSPECT OUTER MIRROR SWITCH

  1. Remove the outer mirror control switch.
  2.  Measure the resistance according to the value(s) in the table below when the switch is operated.

Resistance

Resistance

*1: The L or R of the left / right adjustment switch.

2 CHECK WIRE HARNESS (OUTER MIRROR SWITCH - MAIN BODY ECU RH)

CHECK WIRE HARNESS (OUTER MIRROR SWITCH - MAIN BODY ECU RH)

  1. Disconnect the B6 ECU connector.
  2. Measure the resistance according to the value(s) in the table below.

Resistance

Resistance

PROCEED TO NEXT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE

Door Mirror Foot Light Circuit
DESCRIPTION When the outer mirror control ECU receives the signal(s) from the body ECU through BEAN communication, it illuminates the foot light. The foot light is installed on the bottom of the ...

Mirror Motor Circuit
DESCRIPTION A mirror control switch signal and memorized mirror positions are sent to the outer mirror control ECU. The outer mirror control ECU drives the selected mirror UP, DOWN, LEFT and RIG ...

Other materials:

Fail-safe chart
1. AUTO CANCEL FUNCTION (FAIL-SAFE FUNCTION): HINT: If a system malfunction occurs, the applicable DTCs will appear on the multi-information display. In some cases, a DTC will be set due to weather or vehicle operating conditions, this does not indicate a system malfunction.  E3 (i ...

Precaution
1. INSPECTION PROCEDURE FOR VEHICLE INVOLVED IN ACCIDENT  Perform the zero point calibration and sensitivity check if any of the following conditions occur.  The occupant classification ECU is replaced.  Accessories (seatback tray and seat cover, etc.) are installed. ...

Diagnosis system
1. CHECK DLC3  The ECU uses ISO 15765-4 for communication. The terminal arrangement of the DLC3 complies with SAE J1962 and meets the ISO 15765-4 format. NOTICE: *: Before measuring the resistance, leave the vehicle as is for at least 1 minute and do not operate the ignition s ...

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