Toyota RAV4 (XA40) 2013-2018 Service Manual: Circuit opening relay
On-vehicle inspection
- 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.
- Inspect instrument panel junction block
Notice:
The circuit opening relay is built into the instrument panel junction block.
- Measure the resistance between the terminals.
Standard resistance 
If the result is not as specified, replace the instrument panel junction block.
- Connect cable to negative battery terminal
Ig2 relay
On-vehicle inspection
Disconnect cable from negative battery
terminal
Caution:
Wait at least 90 seconds after disconnecting the
cable from the negative (-) battery terminal to
prevent airb ...
ECM
Components
...
Other materials:
System description
System description
Hint:
The skid control ecu forms a single unit with the abs
and traction actuator.
Abs (anti-lock brake system):
the abs helps prevent the wheels from locking
when the brakes are applied firmly or on a slippery
surface.
Operation description:
the skid ...
Diagnosis system
Description
When troubleshooting on-board diagnostic (obd
ii) vehicles, the vehicle must be connected to the
obd ii scan tool (complying with sae j1987).
Various data output from the vehicle's ecm can
then be read.
Obd ii regulations require that the vehicle's onboard
computer ...
Lda
(lane departure alert)
Summary of function
While driving on a road that has lane markers, this system recognizes
the lane markers using a camera as a sensor to alert the driver when
the vehicle deviates from its lane.
If the system judges that the vehicle may deviate from its lane, it alerts
the driver using beepin ...
