Refer to the ISC VALVE INSPECTION for details. (5-70)
If the resistance is not within the standard range, replace the ISC valve motor assembly with a new one.
ISC Valve removal
Disconnect the hoses and remove the ISC valve 1.
Inspection
Check the ISC valve for wear or damage, replace it with a new one if necessary.
ISC Valve installation
Install the ISC valve in the reverse order of removal.