Swift L4-1298cc 1.3L DOHC 3 MFI 16V (1989)
Idle Speed/Throttle Actuator - Electronic: Technical Service Bulletins
ISC Solenoid - Inspection Procedure
Division:
Automotive
Category:
Technical
TSB No. TS 4-07 03150
Section Title:
Engine
SUBJECT:
INSPECTION PROCEDURE FOR ISC (IDLE SPEED CONTROL) SOLENOID VALVE
MODEL:
SWIFT (SOHC & DOHC)
YEAR:
1989
Please follow the ISC solenoid valve inspection procedure explained below. (This procedure can provide more accurate inspection than is possible when
following the service manual instructions only.)
Fig. 1
INSPECTION OF ISC SOLENOID VALVE:
1.
With ignition switch "OFF", disconnect ISC solenoid valve coupler.
2.
Check resistance between each two terminals of ISC solenoid valve.
Resistance of ISC
30 - 33 ohms
solenoid valve
If it is within specification, proceed to next operation check. If not, replace.
3.
Warm up engine to normal operating temperature.
4.
With engine running and ISC solenoid valve coupler disconnected, disconnect ISC solenoid valve hose from underside as shown in Fig. 2.
In this state, check that air is not drawn into the ISC solenoid valve.