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:

How to proceed with troubleshooting
1 VEHICLE BROUGHT TO WORK SHOP 2 CUSTOMER PROBLEM ANALYSIS 3 CHECK BODY MULTIPLEX COMMUNICATION SYSTEM Check for the DTC outputs. 4 DTC CHECK 5 DTC CHART 6 PROBLEM SYMPTOMS TABLE 7 TERMINAL OF ECU 8 CIRCUIT INSPECTION 9 IDENTIFICATION OF PROBLEM 10 REPAIR OR REPLACE 11 CONFIRMATION T ...

On-vehicle inspection
1. INSPECT REAR AXLE HUB BEARING BACKLASH (a) Using a dial gauge, check for backlash near the center of the axle hub. Maximum: 0.05 mm (0.0020 in.) If backlash exceeds the maximum, replace the axle hub assembly. NOTICE: Ensure that the dial gauge is set at right angles to the measuremen ...

Using the mechanical key (vehicles with a smart key system)
To take out the mechanical key, push the release button and take the key out. The mechanical key can only be inserted in one direction, as the key only has grooves on one side. If the key cannot be inserted in a lock cylinder, turn it over and reattempt to insert it. After using t ...

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