DESCRIPTION
This circuit opens and closes the Intake Air Control Valve (IACV) in response to changes in the engine load in order to increase the intake efficiency (ACIS: Acoustic Control Induction System).
When the engine speed is between 0 and 4450 rpm and the throttle valve opening angle is 60 or more, the ECM supplies current to the VSV (ON status), to close the IACV. Under other conditions, the VSV is usually OFF and the IACV is open.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 PERFORM ACTIVE TEST BY INTELLIGENT TESTER (OPERATE VSV FOR ACIS)
OK: Operational noise can be heard.
2 CHECK INTAKE AIR CONTROL VALVE (OPERATION)
OK: Operational noise can be heard.
3 CHECK HARNESS AND CONNECTOR (VSV FOR ACIS - 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 ACIS - EFI RELAY)
Standard resistance : Check for open
CHECK ECM POWER SOURCE CIRCUIT
Problem symptoms table
ENTIRE SYSTEM
METER GAUGES
WARNING LIGHTS
INDICATOR LIGHTS
BUZZER
ACCESSORY METER ASSEMBLY
...
Initialization not Completed
DTC C2177/77 Initialization not Completed
DESCRIPTION
Initialization is necessary after replacing any of the ECUs, tires with
different tire pressure, or tire pressure
warning valve and transmitter, after rotating the tires or when a new vehicle is
delivered.
WIRING DIAGRAM
INSPECTI ...
Front wiper rubber
COMPONENTS
REMOVAL
1. REMOVE FRONT WIPER BLADE
Remove the front wiper blade from the front wiper
arm LH.
NOTICE:
Do not fold down the front wiper arm with the
front wiper blade being removed from it.
2. REMOVE FRONT WIPER RUBBER
Remove the front wiper rubber from th ...