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:
Check for open circuit
For an open circuit in the wire harness in fig. 1,
Check the resistance or voltage, as described below.
Check the resistance.
Disconnect connectors a and c, and measure
the resistance between them.
Standard resistance (fig. 2)
Hint:
Measure the resistance while lightly s ...
Trailer towing
Your vehicle is designed primarily as a passenger-and-load-carrying
vehicle. Towing a trailer can have an adverse impact on
handling, performance, braking, durability, and fuel consumption.
For your safety and the safety of others, you must not overload
your vehicle or trailer. You must also e ...
Outer mirror switch
Inspection
Inspect outer mirror switch assembly
The l position of the left/right adjustment switch:
measure the resistance of the mirror switch.
Standard resistance (for left side)
If the result is not as specified, replace the switch
assembly.
The r position of the left/r ...
