Toyota RAV4 (XA40) 2013-2018 Service Manual: 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 relay from the engine room junction block.
Hint:
Tape the screwdriver tip before use.
- Measure the resistance of the integration relay.
Standard voltage 
If the result is not as specified, replace the integration relay.
- Install engine room no. 1 Relay block cover
Horn system
Parts location
System diagram
Problem symptoms table
Hint:
Use the table below to help determine the cause of the
problem symptom. The potential causes of the symptoms are
listed in ...
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 ...
Other materials:
Customize parameters
Hint:
The following items can be customized.
Notice:
When the customer requests a change in a function,
first make sure that the function can be customized.
Be sure to make a note of the current settings before
customizing.
When troubleshooting a function, first make sure that
the fu ...
Vacuum switching valve
Components
Removal
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 purge vsv
Disconnect the purge vsv ...
Rear power outlet socket
Components
Removal
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 rear door scuff plate lh (see page
ir-2 ...
