Component Inspection
1.

Ignition "OFF"

2.

Remove ISC Valve from Throttle body

3.

Ignition "ON" & Engine "OFF".

4.

Install scan tool and select "ISC Valve" parameter on the "Actuation Test" mode.

5.

Activates ISC valve by pressing "STAT" key

6.

Check the ISC valve for clicking sound and visually verifying valve closes and opens

note

Repeat numerous times to ensure valve reliability

7.

Is ISC Valve OK?

YES

a.

Thoroughly check connectors for loose or poor connections, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and go to "Verification of Vehicle Repair" procedure

NO

a.

Check for open or short circuit in harness and repair as necessary. If OK, test with a new ISC valve and check for proper operation. If problem is corrected, replace ISC valve. Go to "Verification of Vehicle Repair" procedure

Яндекс.Метрика