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.
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 e36 amplifier connector.
- Measure the voltage of the wire harness side connector.
Standard voltage 
- Check wire harness (air conditioning amplifier - body ground)
- Disconnect the e36 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 ...
Refrigerant
...
Other materials:
Cleaning and protecting the vehicle interior
Perform cleaning in a manner
appropriate to each
component and its material.
Protecting the vehicle
interior
Remove dirt and dust using a
vacuum cleaner. Wipe dirty
surfaces with a cloth dampened
with lukewarm water.
If dirt cannot be removed,
wipe it off with a soft cloth
dampened with neut ...
Installing child restraints
Follow the child restraint system manufacturer’s instructions.
Firmly secure child restraints to the seats using the latch
anchors or a seat belt. Attach the top tether strap when installing
a child restraint.
The lap/shoulder belt can be used if your child restraint system
is not compati ...
Fuel tank cap
Inspection
Inspect fuel tank cap assembly
Visually check that the cap and gasket are not
deformed or damaged.
If the result is not as specified, replace the cap
assembly or gasket.
Remove the gasket from the exhaust manifold.
...
