Inspection of Valve Operation

EXHAUST CONTROL VALVE:

INSPECTION OF VALVE OPERATION
Check operation of valve and actuator by revving engine.

When accelerator pedal position sensor opening is below half in no-load condition:
- Valve should open at engine revolution above approximate 4,800 rpm.
- Valve should close at engine revolution below approximate 4,700 rpm.

When accelerator pedal positon sensor opening is over half in loaded condition:
- Valve should open at engine revolution above approximate 2,600 rpm.
- Valve should clsoe at engine revolution below approximate 2,500 rpm.