Sfi System; On–Vehicle Inspection; Inspection Throttle Body Idle Speed Control Valve Assy - Toyota Corolla 2004 Manual

SFI SYSTEM

ON–VEHICLE INSPECTION
Open
2004 COROLLA (RM1037U)
ENGINE CONTROL SYSTEM
1. INSPECTION THROTTLE BODY IDLE SPEED
CONTROL VALVE ASSY
NOTICE:
S
It is impossible to check the resister value and the op-
Close
eration of ISC valve by itself, because the ISC valve
has an IC circuit inside it, which transforms the duty
Valve
signal from the ECM to the derive signal.
S
After checking, erase the DTC.
S
Clear the DTC after inspection.
HINT:
When the ISC valve system has malfunctions except for its ad-
herence, DTC P0505 is detected.
(a) Operation inspection.
(1)
Valve
(2)
Movement:
Half open
HINT:
A50374
ISC valve moves within 0.5 second.
– SFI SYSTEM
Connect the ISC connector to the ISC valve.
Check the ISC valve movement when the ignition
switch is turned ON.
fully close
Author :
fully open half open
Date :
10–1
1008D–01
955