DESCRIPTION
The air cleaner is equipped with two inlets, one of which is opened or closed by the Air Intake Control Valve (AICV). This system reduces intake noise and increases engine power at low-to-high engine speed range.
When the engine is operating in the low-to-mid speed range, this control operates the AICV to close one of the air cleaner inlets. When the engine speed is more than 3600 rpm and the opening angle of the throttle valve is more than 60, the ECM activates the VSV and opens the AICV.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 PERFORM ACTIVE TEST BY INTELLIGENT TESTER (VSV FOR AICV)
Standard
2 CHECK VSV (FOR AICV)
3 CHECK HARNESS AND CONNECTOR (VSV FOR AICV - ECM)
Standard resistance: Check for open
Check for short
4 INSPECT FUSE (EFI NO. 2 FUSE)
Standard resistance: Below 1 Ω
5 CHECK HARNESS AND CONNECTOR (VSV FOR AICV - EFI RELAY)
Standard resistance : Check for open
6 INSPECT VACUUM TANK
CHECK ECM POWER SOURCE CIRCUIT
Towing with a wheel-lift type truck
From the front (2WD models)
Release the parking brake.
From the front (AWD models)
Use a towing dolly under the rear
wheels.
From the rear
Use a towing dolly under the front
wheels. ...
Vehicle Speed Signal Circuit between Stereo Component Amplifier and
Combination Meter
DESCRIPTION
This circuit is necessary for the ASL (Auto Sound Leveliser) built into the
stereo component amplifier.
Speed signals are received from the combination meter and used for the ASL.
The ASL function automatically adjusts the sound data in order to enable hearing
the clear audio ...
Door Courtesy Switch Circuit
DESCRIPTION
The Multiplex network body ECU detects the condition of the door courtesy
switch assembly.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 READ VALUE OF INTELLIGENT TESTER
Connect the intelligent tester to DLC3.
Turn the ignition switch to ON and push the intelligent
tester ...