ke2: Check for EGR Codes
| Result | Are service codes 31, 32, 33 or 34 present? |
| Direction | YES
Reconnect ISC solenoid. GO to Quick Test Step 5.0 for appropriate Pinpoint Test NO GO to Continue |
| Component | Idle Speed Controller/Idle Bypass Valve |
| Description | The
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. |
| Wire Colors | Red
Grey with White stripe |
| Image |  |