Toyota RAV4 (XA40) 2013-2018 Service Manual: Ig power source circuit
Description
This is the main power source supplied to the air conditioning amplifier when the ignition switch is on (ig). This power source is used for operating components, such as the air conditioning amplifier and servo motors.
Wiring diagram
Inspection procedure
- Inspect fuse (ecu-ig2)
- Remove the ecu-ig2 fuse from the instrument panel junction block.
- Measure the resistance of the fuse.
Standard resistance:
below 1 
- Check wire harness (air conditioning amplifier - battery)
- Disconnect the e37 amplifier connector.
- Measure the voltage of the wire harness side connector.
Standard voltage
- Check wire harness (air conditioning amplifier - body ground)
- Disconnect the e37 amplifier connector.
- Measure the resistance of the wire harness side connector.
Standard resistance
Proceed to next circuit inspection shown in problem symptoms table
Compressor circuit
Description
When the a/c switch is turned on, the magnetic clutch on signal is sent from
the air conditioning
amplifier. Then the mg clt relay turns on to operate the magnetic clutch.
Wiring diag ...
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 diagnos ...
Other materials:
Cleaning the Digital Rearview
Mirror
â– Cleaning the mirror surface
If the mirror surface is dirty, the
image on the display may be difficult
to see.
Clean the mirror surface gently
using a soft dry cloth.
â– Cleaning the camera
If the camera lens is dirty, the
displayed image may not be
clear. In this case, clean it with a
soft clo ...
Vehicle lift and support locations
Notice about vehicle condition when
jacking up vehicle
The vehicle must be unloaded before jacking up /
lifting up the vehicle. Never jack up / lift up a heavily
loaded vehicle.
When removing heavy parts such as the engine and
transmission, the center of gravity of the vehicle
m ...
Installation (2005/11-2006/01)
Install sliding roof weatherstrip
Install the sliding roof weatherstrip.
Position the joint of the weatherstrip at the rear
center.
Align the marks on the weatherstrip with the
middle marks at the corners of the plastic on
the edge of the sliding roof panel and install the ...
