Tacoma 4WD L4-2.7L (3RZ-FE) (2004)
Idle Speed: Testing and Inspection
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. Ignition timing checked correctly.
h. Transmission in neutral position.
2. CONNECT HAND-HELD TESTER OR OBD II SCAN TOOL
a. Connect the hand-held tester or OBD II scan tool to the DLC3.
b. Please refer to the hand-held tester or OBD II scan tool operator's manual for further details.
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 IAC valve, intake air leakage and SFI system.
4. DISCONNECT HAND-HELD TESTER OR OBD II SCAN TOOL