Idle Speed: Testing and Inspection

IDLE SPEED
INSPECTION
1. INITIAL CONDITIONS
a. Engine at normal operating temperature
b. Air cleaner installed
c. All pipes and hoses of air induction system connected
d. All accessories switched OFF
e. All vacuum lines properly connected
f. SFI system wiring connectors fully plugged
g. Correct ignition timing
h. Transmission in neutral
i. Air conditioning switched OFF
2. INSPECT ENGINE IDLE SPEED





a. When using a hand-held tester.
1. Connect a hand-held tester to the Controller Area Network Vehicle Interface Module (CAN VIM). Then connect the CAN VIM to the Date Link Connector 3 (DLC3).
2. Please refer to the hand-held tester operator's manual for further details.
3. Race the engine speed at 2,500 rpm for approximately 90 seconds.
4. Check the idle speed.
Idle speed: 700 ± 50 rpm (Transmission in neutral)
If the idle speed is not as specified, check the air intake system.
5. Disconnect the hand-held tester and CAN VIM from the DLC3.





b. When not using a hand-held tester.
1. Using SST, connect the tachometer probe to terminal TAC of the DLC3.
SST 09843-18030
2. Race the engine at 2,500 rpm for approximately 90 seconds.
3. Check the idle speed.
Idle speed: 700 ± 50 rpm (Transmission in neutral)
If the idle speed is not as specified, check the air intake system.
4. Disconnect the tachometer from the DLC3.