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)
Data list / active test
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
...
Headlight relay circuit
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:
Solar sensor circuit (passenger side)
Description
The solar sensor, which is installed on the upper side of the instrument
panel, detects sunlight and
controls the air conditioning auto mode. The output voltage from the solar
sensor varies in accordance
with the amount of sunlight. When the sunlight increases, the output volt ...
Side doors
The vehicle can be locked
and unlocked using the
entry function, wireless
remote control, door lock
switches, key or inside lock
buttons.
Unlocking and locking the
doors from the outside
â– Using the entry function
(vehicles with smart key
system)
Carry the electronic key to
enable this function.
...
Idle control system malfunction
Description
The idling speed is controlled by the etcs (electronic throttle control
system). The etcs is comprised
of: 1) the one valve type throttle body; 2) the throttle actuator, which
operates the throttle valve; 3) the
throttle position (tp) sensor, which detects the opening angle of ...
