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:
Freeze frame data
Freeze frame data
Notice:
It is difficult to show the specified values
(judgment values) clearly because freeze frame
data values change significantly due to
differences in measurement conditions,
surroundings, or vehicle conditions. For this
reason, there may be a problem even w ...
Registration
Notice:
The vehicle identification number (vin) must be input
into the replacement ecm.
Hint:
The vin is a 17-digit alphanumeric number. The intelligent
tester is required to register the vin.
Description
This registration section consists of 3 parts: input
instructions, read vin and wr ...
Data list / active tes
Read data list
Hint:
Using the intelligent tester's data list allows switch,
sensor, actuator and other item values to be read without
removing any parts. Reading the data list early in
troubleshooting is one way to save time.
Connect the intelligent tester (with can vim) to the
dlc3 ...
