Toyota RAV4 (XA40) 2013-2018 Service Manual: Ecu power source circuit
Description
This is the power source for the tire pressure warning ecu.
Wiring diagram
Inspection procedure
Notice:
It is necessary to register an id code after replacing the tire pressure monitor valve and/or the tire pressure warning ecu (see page tw-9).
- Inspect fuse (ecu-ig1)
- Remove the ecu-ig1 fuse from the instrument panel junction block.
- Measure the resistance of the fuse.
Standard resistance:
below 1 
- Inspect ig1 relay
- Remove the ig1 relay from the instrument panel junction block.
- Measure the resistance of the relay.
Standard resistance
- Inspect wire harness (ecu - battery and body ground)
- Disconnect the e56 ecu connector.
- Measure the voltage of the wire harness side connector.
Standard voltage 
- Measure the resistance of the wire harness side connector.
Standard resistance 
Proceed to next circuit inspection shown in problem symptoms table
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 i ...
Tire pressure warning receiver (w/ antenna)
Components
...
Other materials:
Dtc check / clear
Check dtc
When using intelligent tester:
Connect the intelligent tester (with can vim) to
the dlc3.
Turn the ignition switch on and press the
intelligent tester main switch on.
Read the dtcs by following the prompts on the
intelligent tester.
Hint:
Refer to the intel ...
Installation
Install engine coolant temperature
sensor
Install a new gasket onto the sensor.
Using sst, install the sensor.
Sst 09817-33190
torque: 19.6 N*m (200 kgf*cm, 14 ft.*Lbf)
Connect the sensor connector.
Install air cleaner case (see page es-431)
Install air cleaner cap ( ...
Steering wheel
Adjustment procedure
The steering wheel can be adjusted to a comfortable position.
Hold the steering wheel and
press the lever down.
Adjust to the ideal position by
moving the steering wheel horizontally
and vertically.
After adjustment, pull the lever up
to secure the steering ...
