Toyota RAV4 (XA40) 2013-2018 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:
Abs warning light does not come on
Wiring diagram
Refer to the abs warning light circuit (see page bc-135).
Inspection procedure
Check can communication system
Check if the can communication system dtc is output
(see page ca-34).
Result
Perform active test by intelligent tester (abs warning light)
Sele ...
Brake Hold
The brake hold system
keeps the brake applied
when the shift lever is in D,
S or N with the system on
and the brake pedal has
been depressed to stop the
vehicle. The system
releases the brake when the
accelerator pedal is
depressed with the shift
lever in D or S to allow
smooth start off.
Enabling t ...
Operation check
Inspect driver side seat belt warning light
Turn the ignition switch on.
When the driver seat belt is not fastened, check that
the driver seat belt warning light on the combination
meter blinks.
When the driver seat belt is fastened, check that the
driver seat belt warning light o ...
