Toyota RAV4 (XA40) 2013-2018 Service Manual: Auto lsd indicator light does not come on
Description
Refer to the description of "auto lsd indicator light remains on" (see page bc-164).
Wiring diagram
Refer to the auto lsd indicator light circuit (see page bc-165).
Inspection procedure
- Check can communication system
- Check if the can communication system dtc is output (see page ca-34).
Result 
- Read value of intelligent tester (auto lsd switch)
- Check the data list for proper functioning of the auto lsd switch.
Ok: on (downhill assist control switch is on) appears on the screen.
- Perform active test by intelligent tester (auto lsd indicator light)
- Select the active test, generate a control command, and then check that the auto lsd indicator light operates.
Ok: the auto lsd indicator light turns on and off.
- Inspect combination meter assembly
- Inspect the combination meter (see page me-15).
Replace abs and traction actuator assembly
- Inspect auto lsd switch
- Disconnect the auto lsd switch switch.
- Measure the resistance of the switch.
Standard resistance 
- Check wire harness (auto lsd switch - skid control ecu and body ground)
- Disconnect the a19 ecu connector.
- Disconnect the e51 switch connector.
- Measure the resistance of the wire harness side connectors.
Standard resistance
Replace abs and traction actuator assembly
Auto lsd indicator light remains on
Description
This is the auto lsd switch for 2wd. When the auto lsd switch is pushed on,
the auto lsd function is
available and the auto lsd indicator light illuminates.
Hint:
The auto lsd does n ...
Skid control buzzer circuit
Description
The skid control buzzer sounds while the vsc is activated.
Wiring diagram
Inspection procedure
Notice:
When replacing the abs and traction actuator, perform the zero point
calib ...
Other materials:
Test mode procedure
Hint:
By switching the skid control ecu from normal mode to
test mode, abnormality detection sensitivity is enhanced
and troubleshooting can be conducted efficiently.
Perform a sensor check in test mode after the speed
sensor or sensor rotor has been repaired or replaced.
If the igniti ...
Usb port/aux port
Connect an ipod, usb memory device or portable audio player
to the usb/aux port as indicated below. Select “ipod”, “usb” or
“aux” on the audio source selection screen and the device can
be operated via audio system.
Connecting using the usb/aux port
Ipod
Open the cover and connect ...
Short in front driver side - side squib circuit
Description
The driver side - side squib circuit consists of the center airbag sensor and
the front seat side airbag lh.
This circuit instructs the srs to deploy when the deployment conditions are met.
These dtcs are recorded when a malfunction is detected in the driver side - side
sq ...
