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:
Problem symptoms table
Hint:
Use the table below to help determine the cause of the
problem symptom. The potential causes of the symptoms are
listed in order of probability in the "suspected area" column
of the table. Check each symptom by checking the suspected
areas in the order they are listed. Replace p ...
Listening to an ipod
Connecting an ipod enables you to enjoy music from the vehicle
speakers.
Select “ipod” on the audio source selection screen.
When the ipod connected to the system includes ipod video, the
system can only output the sound by selecting the browse
screen.
Connecting an ipod
Audio control ...
Lower instrument panel
Precaution
Precaution for vehicle with srs airbag and
seat belt pretensioner
Some operations in this section may affect the srs
airbags and seat belt pretensioner. Prior to
performing the corresponding operations, read the
srs airbag notice (see page rs-1).
Components
...