Toyota RAV4 Service Manual: Traction control switch (for 2wd)
Components
Removal
- 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.
- Remove traction control switch (auto lsd switch)
- Detach the 2 claws and remove the switch.
Inspection
- Check traction control switch (auto lsd switch)
- Measure the resistance of the switch.
Standard resistance 
If the result is not as specified, replace the switch.
- Check illumination operation.
- Connect the battery's positive (+) lead to
terminal 5 and negative (-) lead to terminal 4.
Then check that the bulb illuminates.
Ok: bulb illuminates.
If the result is not as specified, replace the switch.
Installation
- Install traction control switch (auto lsd switch)
- Attach the 2 claws to install the switch.
- Connect cable to negative battery terminal
Downhill assist control switch
Components
Removal
Disconnect cable from negative battery
terminal
Caution:
Wait at least 90 seconds after disconnecting the
cable from the negative (-) battery terminal to
prevent ai ...
Other materials:
Back-up power source circuit
Description
This is the back-up power source circuit for the air conditioning amplifier.
Power is supplied even when the
ignition switch is turned off and is used for functions such as the diagnostic
trouble code memory.
wiring diagram
Inspection procedure
Inspect fuse (ecu-b2)
...
Tire pressure warning light circuit
Description
If the tire pressure warning ecu detects trouble, the tire pressure warning
light turns on and tire pressure
monitor is canceled at the same time. At this time, the ecu records a dtc in
memory.
Connect terminals tc and cg of the dlc3 to make the tire pressure warning light
bli ...
Inspection
Inspect crankshaft position sensor
Measure the resistance of the sensor.
Standard resistance
Notice:
Cold and hot mean the temperature of the coils
themselves. Cold is from -10 to 50°c (14 to
122°f) and hot is from 50 to 100°c (122 to
212°f).
If the result is not as specif ...