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:
Door control receiver
Components
Removal
Remove rear door scuff plate rh
Using a screwdriver, detach the 9 claws.
Hint:
Tape the screwdriver tip before use.
Using a clip remover, detach the 2 clips and remove
the garnish.
Remove rear door opening trim
weatherstrip rh
...
Mass air flow circuit range / performance problem
Description
Refer to dtc p0100 (see page es-86).
Monitor description
The maf meter is a sensor that measures the amount of air flowing through the
throttle valve. The ecm
uses this information to determine the fuel injection time and to provide an
appropriate air-fuel ratio. Inside
...
Ig1 relay
On-vehicle inspection
Disconnect cable from negative battery
terminal
Caution:
Wait at least 90 seconds after disconnecting the
cable from the negative (-) battery terminal to
prevent airbag and seat belt pretensioner activation.
Remove ig1 relay
Remove the ig1 relay from the i ...