Toyota RAV4 (XA40) 2013-2018 Service Manual: Abs warning light does not come on
Wiring diagram
Refer to the abs warning light circuit (see page bc-135).
Inspection procedure
- Check can communication system
- Check if the can communication system dtc is output (see page ca-34).
Result 
- Perform active test by intelligent tester (abs warning light)
- Select the active test, generate a control command, and then check that the abs warning light operates.
Ok: the abs warning light turns on or off.
Replace abs and traction actuator assembly
Abs warning light remains on
Description
If any of the following conditions are detected, the abs warning light
remains on:
The ecu connectors are disconnected from the skid control ecu.
There is a malfunction in the ski ...
Vsc warning light remains on
Description
The skid control ecu is connected to the combination meter via the can
communication system.
W/o multi information display:
if the skid control ecu stores any dtcs which relate to t ...
Other materials:
Diagnosis system
Description
Key reminder warning system data can be read
through the data link connector 3 (dlc3) of the
vehicle. When the system seems to be
malfunctioning, use the intelligent tester (with can
vim) to check for malfunctions and perform repairs.
Check dlc3
The vehi ...
Circuit inspection
A description of the main areas of each circuit inspection
is below.
Item
Description
description
The major role, operation of the circuit and its component parts are
explained.
Dtc no., Dtc detection condition, trouble area
Indicates the diagnostic trouble cod ...
Rear occupant classification sensor rh collision detection
Description
Dtc b1788 is output when the occupant classification ecu receives a collision
detection signal sent by
the rear occupant classification sensor rh when an accident occurs.
Dtc b1788 is also output when the front seat rh is subjected to a strong impact,
even if an actual
acci ...
