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:
Srs warning light remains on
Description
The srs warning light is located on the combination meter.
When the srs is normal, the srs warning light comes on for approximately 6
seconds after the ignition
switch is turned from off to on, and then goes off automatically.
If there is a malfunction in the srs, the srs warni ...
Camshaft position "A"
Dtc P0011 Camshaft position
"a" - timing over-advanced or system performance (bank 1)
Dtc P0012 Camshaft
position "a" - timing over-retarded (bank 1)
Description
The vvt system includes the ecm, oil control valve (ocv) and vvt controller.
The ecm sends a target
du ...
Terminals of ecm
Check ecm
Measure the voltage of the ecm connector.
Hint:
Each ecm terminal's standard voltage is shown in
the table below.
In the table, first follow the information under
"condition". Look under "symbols (terminal no.)"
For the terminals to be inspected. ...