Toyota RAV4 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:
Steering gear
Components
Removal
Position front wheels facing straight
ahead
Disconnect cable from negative battery
terminal
Caution:
Wait at least 90 seconds after disconnecting the
cable from the negative (-) battery terminal to
prevent airbag and seat belt pretensioner activation.
...
Oxygen sensor circuit
Description
In order to obtain a high purification rate of the carbon monoxide (co),
hydrocarbon (hc) and nitrogen
oxide (nox) components in the exhaust gas, a twc is used. For the most efficient
use of the twc, the
air-fuel ratio must be precisely controlled so that it is always close to ...
Drl relay circuit
Description
The main body ecu controls the daytime running light no. 2 Relay (marking:
drl no.2).
Wiring diagram
Inspection procedure
Inspect daytime running light relay (marking: drl no. 2, Drl no. 3,
Drl no. 4)
Remove the no. 2 Relay, no. 3 Relay and no. 4 Relay from
th ...