Toyota RAV4 (XA40) 2013-2018 Service Manual: Brake warning light does not come on
Wiring diagram
Refer to the brake warning light circuit (see page bc-145).
Inspection procedure
- Check can communication system
- Check if the can communication system dtc is output (see page ca-34).
Result 
- Perform active test by intelligent tester (brake warning light)
- Select the active test, generate a control command, and then check that brake warning light operates.
Ok: the brake warning light turns on or off.
- Inspect combination meter
- Inspect the combination meter (see page me-15).
Replace abs and traction actuator assembly
Brake warning light remains on
Description
If any of the following conditions are detected, the brake warning light
remains on:
The ecu connectors are disconnected from the skid control ecu.
The brake fluid level is insuff ...
Slip indicator light remains on
Description
The slip indicator blinks during vsc and/or trc operation.
When the system fails, the slip indicator comes on to warn the driver.
For 2wd: with auto lsd switch on, when the hydrauli ...
Other materials:
Steering angle sensor circuit malfunction
Description
The steering sensor signal is sent to the skid control ecu via the can
communication system. When
there is a malfunction in the can communication system, it is detected by the
steering sensor zero point
malfunction diagnostic function.
Wiring diagram
Inspection proce ...
Pressure sensor circuit
Description
This dtc is output when the refrigerant pressure is either extremely low
(0.19 Mpa [2.0 Kgf/cm2, 28 psi]
or less) or extremely high (3.14 Mpa [32.0 Kgf/cm2, 455 psi] or more). The air
conditioning pressure
sensor, which is installed on the pipe of the high pressure side, detec ...
Low pitched horn
Components
Removal
Remove radiator support opening cover
(see page et-4)
Remove front fender liner lh (see page et-4)
Remove front fender liner rh (see page et-4)
Remove front bumper cover (see page et-5)
Remove low pitched horn
Disconnect the horn connector.
Remove th ...
