Toyota RAV4 Service Manual: Light control switch circuit
Description
This circuit detects the state of the headlight dimmer switch.
Wiring diagram
Inspection procedure
- Read value of intelligent tester (main body ecu)
- Connect the intelligent tester to the dlc3.
- Turn the ignition switch on and press the intelligent tester main switch on.
- Select the items below in the data list, and read the displays on the intelligent tester.
Ok: on is displayed on the intelligent tester screen.
- Inspect headlight dimmer switch
- Remove the headlight dimmer switch.
- Measure the resistance of the switch.
Standard resistance
- Check wire harness (main body ecu - dimmer switch and body ground)
- Disconnect the e12 headlight dimmer switch connector.
- Disconnect the ie and ij instrument panel junction block connectors.
- Disconnect the e15 and e17 main body ecu connectors.
- Measure the resistance of the wire harness side connectors.
Standard resistance
Replace instrument panel junction block (main body ecu)
Back-up light circuit
Description
The park / neutral position switch turns on when the shift lever is moved
into the r position, causing the
back-up lights to illuminate.
Wiring diagram
Inspection procedure
I ...
Door courtesy switch circuit
Description
The main body ecu detects the condition of the door courtesy switch.
Wiring diagram
Inspection procedure
Read value of intelligent tester (door courtesy light switch)
Conn ...
Other materials:
Components
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Front passenger side - side airbag sensor circuit malfunction
Description
The side airbag sensor rh consists of parts including the diagnostic circuit
and the lateral deceleration
sensor.
When the center airbag sensor receives signals from the lateral deceleration
sensor, it determines
whether or not the srs should be activated.
Dtc b1625/22 i ...
Back-up light circuit
Description
The park / neutral position switch turns on when the shift lever is moved
into the r position, causing the
back-up lights to illuminate.
Wiring diagram
Inspection procedure
Inspect fuse (gauge1)
Remove the gauge1 fuse from the instrument panel
junction block.
Meas ...
