Toyota RAV4 (XA40) 2013-2018 Service Manual: 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 the vsc system, the vsc warning light comes on in the combination meter.
W/ multi information display: if the skid control ecu stores any dtcs which relate to the vsc system, the master caution indicator light comes on and the warning message is displayed on the multi information display in the combination meter.
Wiring diagram
Inspection procedure
Notice:
When replacing the abs and traction actuator, perform the zero point calibration (see page bc- 24).
- Check can communication system
- Check if the can communication system dtc is output (see page bc-47).
Result 
- Inspect skid control ecu connector
- Check if the skid control ecu connector is securely connected.
Ok: the connector is securely connected.
- Check combination meter assembly
- Check the combination meter (see page me-15).
Replace abs and traction actuator assembly
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 ...
Vsc warning light does not come on
Description
Refer to the description of "vsc warning light remains on" (see page bc-139).
Wiring diagram
Refer to the vsc warning light circuit (see page bc-140).
Inspection procedure
N ...
Other materials:
System description
General
The front passenger occupant classification system
judges whether the front passenger seat is occupied
or not in accordance with the seat belt buckle
status; and whether the seat is occupied by an adult
or child (with child seat) in accordance with the load
that is applied ...
Brake booster
Installation
(2005/11-2006/01)
Install check valve grommet
Install the grommet to the booster.
Install brake vacuum check valve
assembly
Install the check valve to the grommet.
Install brake booster gasket
Install a new gasket to the booster.
Install brake ...
Ecm power source circuit
Description
When the ignition switch is turned on, the battery voltage is applied to the
igsw of the ecm. The output
signal from the mrel terminal of the ecm causes a current to flow to the coil,
closing the contacts of the
integration relay (efi main relay) and supplying power to either term ...
