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:
Rear no. 1 Seat assembly (for lh side)
Components
...
Test mode procedure
Test mode check
Hint:
When entering the test mode, the tire pressure
warning ecu sets all the test dtcs first. After
completing the test mode for each inspection item, the
dtcs that are determined normal by the tire pressure
warning ecu will be erased.
The dtcs for other inspec ...
Driver side satellite sensor bus initialization incomplete
Description
The side airbag sensor lh consists of part including the diagnostic circuit
and the lateral deceleration
sensor.
When the center airbag sensor receives signals from the lateral deceleration
sensor, it determines
whether or not the srs should be activated.
Dtc b1643/81 is ...
