Toyota RAV4 (XA40) 2013-2018 Service Manual: 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 the bolt and horn.
Inspection
- Inspect low pitched horn
- Apply battery voltage to the horn and check the operation of the horn.
Ok 
If the result is not as specified, replace the horn.
Installation
- Install low pitched horn
- Place the stay onto the baffle part of the radiator support upper, and then install the horn with the bolt.
Torque: 19.5 N*m (199 kgf*cm, 14 ft.*Lbf)
- Connect the horn connector.
- Install front bumper cover (see page et-11)
- Install front fender liner rh (see page et- 12)
- Install front fender liner lh (see page et- 12)
- Install radiator support opening cover (see page et-12)
Horn relay
On-vehicle inspection
Remove engine room no. 1 Relay block cover
Inspect integration relay (unit a: horn relay)
Using a screwdriver, detach the 2 claws and
disconnect the integration ...
High 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 ...
Other materials:
Rear door courtesy switch
Components
Removal
Hint:
Use the same procedures for the rh and lh sides.
The procedures listed below are for the lh side.
Disconnect cable from negative battery
terminal
Caution:
Wait at least 90 seconds after disconnecting the
cable from the negative (-) battery terminal t ...
Road test
Inspect set switch
Push the main switch on.
Drive at a desired speed (40 km/h (25 mph) or
higher).
Inspect "+" switch
Push the main switch button on.
Drive at a desired speed (40 km/h (25 mph) or
higher).
Press the control switch to -/set. ...
Power supply relay failure
Description
If the power steering ecu detects these dtcs, it shuts off the motor relay
circuit (built into the power
steering ecu) and stops power assist.
Inspection procedure
Reconfirm dtc
Check for dtc.
Ok:
dtc is not output.
Replace power steering ecu ...
