Toyota RAV4 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:
Installation
Install starter assembly
Install the starter with the 2 bolts.
Torque: 37 n*m (377 kgf*cm, 27 ft.*Lbf)
Connect the starter connector.
Install the terminal nut and cover the nut with the
cap.
Torque: 9.8 N*m (100 kgf*cm, 7 ft.*Lbf)
Install battery bracket reinfor ...
Short in front passenger side pretensioner squib circuit
Description
The front passenger side front pretensioner squib circuit consists of the
center airbag sensor and the front
seat outer belt rh.
This circuit instructs the srs to deploy when the deployment conditions are met.
These dtcs are recorded when a malfunction is detected in th ...
Multi-information display
Display contents
The multi-information display presents the driver with a variety of driving-
related data including the current outside air temperature.
Outside temperature display
Indicates the outside temperature.
The temperature range that can be
displayed is from -40„af (-40„ac) t ...