Toyota RAV4 (XA40) 2013-2018 Service Manual: Stop light switch circuit
Description
When the stop light switch is turned on, current flows to the stop lights to
illuminate them.
Wiring diagram

Inspection procedure
- Inspect fuse (stop)
- Remove the stop fuse from the instrument panel
junction block.
- Measure the resistance of the fuse.
Standard resistance:
below 1
- Inspect stop light (rear combination light)

- Remove the rear combination light.
- Connect the positive (+) lead from the battery to terminal
4 and the negative (-) lead to terminal 1, then check that
the light comes on.
Ok:
light comes on.

- Inspect rear stop light (high mount stop light)

- Remove the high mount stop light assembly.
- Connect the positive (+) lead from the battery to terminal
2 and the negative (-) lead to terminal 1, then check that
the light comes on.
Ok:
light comes on


- Inspect brk relay

- Remove the brk relay from the engine room no. 1 Relay
block.
- Measure the resistance of the relay.
Standard resistance


- Inspect stop light switch

- Remove the stop light switch.
- Measure the resistance of the switch.
Standard resistance


- Check wire harness (stop light switch - battery)

- Disconnect the a3 stop light switch connector.
- Measure the voltage of the wire harness side connector.
Standard voltage 


- Check wire harness (stop light switch - rear stop light)

- Disconnect the a3 stop light switch connector.
- Disconnect the k12 and k14 rear combination light
connectors.
- Disconnect the q1 high mount stop light connector.
- Measure the resistance of the wire harness side
connectors.
Standard resistance 

Repair or replace harness and connector (rear stop light - body ground)
Read data list
Hint:
Using the intelligent tester's data list allows switch,
sensor, actuator and other item values to be read without
removing any parts. Reading the data list early in
...
Description
When the light control switch, located on the headlight dimmer switch, is
turned to the head position, the
head relay illuminates the headlights.
Wiring diagram
Inspection proced ...
Other materials:
Downhill assist control indicator light remains on
Description
When the downhill assist control switch is pushed on, the downhill assist
control function is available and
the downhill assist control indicator light illuminates.
Hint:
Even if the downhill assist control switch is pressed, the downhill assist
control indicator light will blink ...
Power outlets
The power outlet can be used for 12 v accessories that run on
less than 10 a.
Open the lid.
The power outlets can be used when
Vehicles without a smart key system
The engine switch is in the “acc” or “on” position.
Vehicles with a smart key system
The engine switch is in ...
Position initialization incomplete
Description
This dtc is output when the sliding roof drive gear (sliding roof ecu) has
not been initialized.
Wiring diagram
Refer to dtc b2341 (see page rf-11).
Inspection procedure
Initialize sliding roof drive gear sub-assembly (sliding roof ecu)
Check that the sliding roof ...