|Steps||_Run engine at 2000 RPM for 2 minutes or until inlet radiator hose is hot and pressurized.
_Key Off, wait 10 seconds
_Rerun Engine Running Self-Test
|Result||Is code 17 still present?|
Inspect throttle body and air inlet for contamination. Service as necessary. If OK, adjust curb idle (refer to Section 4 for procedure). Rerun Quick Test
Service other codes as necessary
|Component||Idle Speed Controller/Idle Bypass Valve|
ISC is used to control engine idle speed and is controlled by the EEC.
The ISC allows the EEC to control the engine RPM by allowing intake air
flow around the throttle plate.
The ISC has the following functions:
Cold engine fast idle
No accelerator pedal effort required during engine cranking
Dashpot function to help prevent engine stalling upon de-accleration
Over temperature idle boost
Engine idle load correction
|Location||Mounted onto the throttle body. Cylinder shape device.|
Grey with White stripe