Toyota RAV4 (XA40) 2013-2018 Service Manual: 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 order of probability in the "suspected area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
Horn
...
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 ...
Other materials:
Active test
Hint:
Performing an active test enables components
including the relays, vsv (vacuum switching valve) and
actuators, to be operated without removing any parts.
The active test can be performed with the intelligent
tester. Performing the active test as the first step of
troubleshooting is one ...
Fog light relay
On-vehicle inspection
Inspect front fog light relay
Remove the front fog relay from the no. 6 Relay
block.
Measure the resistance of the relay.
Standard resistance
If the result is not as specified, replace the relay. ...
Rear axle hub and bearing
Components
On-vehicle inspection
Remove rear wheel
Disconnect rear drive shaft assembly lh
(for 4wd)
Disconnect the drive shaft (see page ds-69).
Remove rear disc brake cylinder assembly
lh (see page br-55)
Remove rear disc (see page br-57)
Check bearing backlash a ...
