Toyota RAV4 (XA40) 2013-2018 Service Manual: 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 diagram
Inspection procedure
Inspection procedure
- Perform active test by intelligent tester (a/c mag clutch)
- Connect the intelligent tester (with can vim) to the
dlc3.
- Turn the ignition switch on and turn the intelligent tester
main switch on.
- Select the item below in the active test and then
check that the compressor magnetic relay operates.
- 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 magnetic clutch relay (marking: mg clt)
- Remove the magnetic clutch relay from the engine room
no. 1 Relay block.
- Measure the resistance of the relay.
Standard resistance
- Check wire harness (air conditioning amplifier - battery)
- Disconnect the e36 amplifier connector.
- Measure the voltage of the wire harness side connector.
Standard voltage
- Check air conditioning amplifier (mgc voltage)
- Remove the air conditioning amplifier with its connectors
still connected.
- Measure the voltage of the connector.
Standard voltage
- Check magnetic clutch
- Disconnect the b47 magnetic clutch connector.
- Connect the battery's positive (+) lead to terminal 3 of
the magnetic clutch and the negative (-) lead to the body
ground.
Ok:
magnetic clutch is engaged.
Repair or replace wire harness (magnetic clutch - ecu-ig1)
Description
When the heater control (blower switch) is set to position 1 or higher, the
contact of the htr relay is
closed, current flows to the blower motor, and the blower motor operates. The
...
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 condition ...
Other materials:
Disposal
Hint:
When scrapping a vehicle equipped with an srs or disposing
of the curtain shield airbag assembly, be sure to deploy the
airbag first in accordance with the procedure described
below. If any abnormality occurs with the airbag deployment,
contact the service dept. Of toyota motor sales,
u. ...
Towing related terms
Gcwr (gross combination weight rating)
The maximum allowable gross
combination weight. The gross
combination weight is the sum
of the total vehicle weight
(including the occupants, cargo
and any optional equipment
installed on the vehicle) and the
weight of the trailer being towed
(inc ...
Problem symptoms table (2005/11-2006/01)
Hint:
Use the table below to help determine the cause of the
problem symptom. The potential causes of the symptoms are
listed in order of probability in the "suspected area" column of
the table. Check each symptom by checking the suspected
areas in the order they are listed. Replace p ...