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


Standard resistance:
below 1 


Standard resistance



Standard voltage



Standard voltage



Ok: magnetic clutch is engaged.

Repair or replace wire harness (magnetic clutch - ecu-ig1)
Blower motor circuit
Ig power source circuitPlaying back mp3 and wma discs
Power
Volume
Cd eject
Selecting a file or displaying
folder list
Searching playback
Next commands, random play
or back button
Repeat play
Fast-forwarding, rewinding or
selecting a folder
Changing the audio source/
playback
Playback/pause
Previous commands
Selecti ...
Compressor and pulley (for 2gr-fe)
Components
Removal
Discharge refrigerant from
refrigeration system (see page ac-172)
Disconnect cable from negative battery
terminal
Caution:
Wait at least 90 seconds after disconnecting the
cable from the negative (-) battery terminal to
prevent airbag and seat belt pretensione ...
Monitor drive pattern
Test monitor drive pattern for ect
Caution:
Perform this drive pattern on a level surface and
strictly observe the posted speed limits and traffic
laws while driving.
Hint:
Performing this drive pattern is one method to simulate
the ect's malfunction detection conditions.
The dtcs may ...