FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Idle Speed: Testing and Inspection

INSPECT ENGINE IDLE SPEED
a. Warm up the engine.
b. When using the hand-held tester or OBD II scan tool:
1. Connect the hand-held tester or OBD II scan tool to the DLC3.
2. Enter DATA LIST MODE on the hand-held tester or OBD II scan tool.





Idle speed

NOTICE:
^ When checking the idle speed, the transmission is in the neutral or parking position.
^ Check the idle speed with the cooling fan OFF.
^ Switch off all accessories and air conditioning before connecting the hand-held tester or OBD II scan tool.

HINT: Please refer to the hand-held tester operator's manual if you need help to select DATA LIST.





c. When not using the hand-held tester or OBD II scan tool:
1. Using SST, connect the tachometer test prove to terminal 9 (TAC) of the DLC3.
SST 09843-18040
2. Check the idle speed.





Idle speed

NOTICE:
^ When checking the idle speed, the transmission is in the neutral or parking position.
^ Check idle speed with the cooling fan OFF.
^ Switch off all accessories and air conditioning before connecting the test prove to the terminal.