Toyota RAV4 (XA40) 2013-2018 Service Manual: 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.
- Measure the resistance of the fuse.
Standard resistance:
below 1
- Inspect back-up light
- Remove the rear combination light.
- Connect the positive (+) lead from the battery to terminal 6 and the negative (-) lead to terminal 1, then check that the light comes on.
Ok: light comes on.
- Inspect park / neutral position switch
- Disconnect the b26 park / neutral position switch connector.
- Measure the resistance of the switch.
Standard resistance
- check wire harness (park / neutral position switch - battery)
- Disconnect the b26 park / neutral position switch connector.
- Measure the voltage of the wire harness side connector.
Standard voltage
- Check wire harness (park / neutral position switch - back-up light)
- Disconnect the b26 park / neutral position switch connector.
- Disconnect the k12 and k14 rear combination light assembly connectors
- Measure the resistance of the wire harness side connectors.
Standard resistance
Repair or replace harness and connector (back-up light - body ground)
Hazard warning switch circuit
Description
When the hazard warning signal switch is turned on, the turn signal flasher
relay (marking: flsh) in the
main body ecu turns on to flash the hazard warning signal lights.
Wiring diagr ...
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 ...
Other materials:
Communication
Description
The skid control ecu sends signals such as cruise control cancel demand
signals and brake operation
demand from ecm response signals to the ecm when the cruise control system is in
operation.
Inspection procedure
Hint:
This circuit uses can communication. Therefore, if t ...
Diagnosis system
Bus check
Select "bus check" from the "obd / mobd
menu" screen.
Hint:
The ecus and sensors that are properly connected
to the can communication system can be displayed
using the intelligent tester via can vim.
Press "enter" on the intelligen ...
Steering wheel
Adjustment procedure
The steering wheel can be adjusted to a comfortable position.
Hold the steering wheel and
press the lever down.
Adjust to the ideal position by
moving the steering wheel horizontally
and vertically.
After adjustment, pull the lever up
to secure the steering ...
