Toyota RAV4 (XA40) 2013-2018 Service Manual: 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 not operate even if the auto lsd switch is pressed under the following conditions:
- The trc or vsc system is faulty.
- The temperature inside the hydraulic brake booster increases and the auto lsd operation is suspended.
Wiring diagram
Inspection procedure
- Check can communication system
- Check if the can communication system dtc is output (see page ca-34).
Result 
Ok: the connector is securely connected.
- Check skid control ecu connector
- Check if the skid control ecu connector is securely connected.
Ok: the connector is securely connected.
- Check wire harness (skid control ecu - body ground)
- Disconnect the a19 ecu connector.
- Measure the resistance of the wire harness side connector.
Standard resistance 
- Inspect auto lsd switch
- Remove the auto lsd switch.
- Measure the resistance of the switch.
Standard resistance 
- Check wire harness (skid control ecu - traction control switch)
- Disconnect the a19 ecu connector.
- Disconnect the e51 switch connector.
- Measure the resistance of the wire harness side connectors.
Standard resistance 
- Check combination meter
- Check the combination meter (see page me-15).
Replace abs and traction actuator assembly
Downhill assist control indicator light does not come on
Description
Refer to the description of "downhill assist control indicator light remains
on" (see page bc-156).
Wiring diagram
Refer to the downhill assist control indicator light circu ...
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).
Inspect ...
Other materials:
Diagnostic trouble code chart
Hint:
If no abnormality is found when inspecting parts, check the
skid control ecu and check for poor contact at the ground
points.
If a dtc is displayed during the dtc check, check the
circuit for the dtc listed in the table below. For details of
each dtc, refer to the page indicated. ...
Oil filter
Components
Replacement
Caution:
Prolonged and repeated contact with engine oil will
cause the loss of natural oils from the skin, leading to
dryness, irritation and dermatitis. In addition, used
engine oil contains potentially harmful contaminants
which may cause skin cancer.
Pre ...
How to proceed with troubleshooting
Hint:
Use these procedures to troubleshoot the key reminder
warning system.
*: Use the intelligent tester.
Vehicle brought to workshop
Inspect battery voltage
Standard voltage:
11 to 14 v
Hint:
If the voltage is below 11 v, recharge or replace the battery
before proceedi ...
