Idle Speed: Testing and Inspection
INSPECTION1. INSTALL CONDITIONS
a. Engine at normal operating temperature
b. Air cleaner installed
c. All pipes and hoses of air induction system connected
d. All vacuum lines properly connected
e. SFI system wiring connectors fully plugged
f. All operating accessories switched OFF
g. Ignition timing check correctly
h. Transmission in neutral position
i. Air conditioning switched OFF
2. CONNECT TOYOTA HAND-HELD TESTER OR OBDII SCAN TOOL
a. Connect the TOYOTA hand-held tester or OBDII scan tool to the DLC3.
b. Please refer to the TOYOTA hand-held tester or OBDII scan tool operator's manual for further details.
3. INSPECT IDLE SPEED
a. Race the engine at 2,500 rpm for approximately 90 seconds.
b. Check the idle speed.
Idle speed (w/ Cooling fan OFF):
1ZZ-FE
M/T 700 ± 50 rpm
A/T 750 ± 50 rpm
2ZZ-GE
M/T 800 ± 50 rpm
A/T 750 ± 50 rpm
If the idle speed is not as specified, check the IAC valve and air intake system.
4. DISCONNECT TOYOTA HAND-HELD TESTER OR OBDII SCAN TOOL