Idle Speed: Testing and Inspection
INSPECTION1. 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. Ignition timing checked correctly
h. Transmission in neutral position
2. CONNECT LEXUS HANDHELD TESTER OR OBDII SCAN TOOL
3. INSPECT IDLE SPEED
a. Race the engine speed at 2,500 rpm for approximately 90 seconds.
b. Check the idle speed.
Idle speed: 700 ± 50 rpm
If the idle speed is not as specified, check the throttle body.
4. DISCONNECT LEXUS HANDHELD TESTER OR OBDII SCAN TOOL