Tacoma Extra Cab 2WD V6-3.4L (5VZ-FE) (1998)
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.
Sequential Multiport Fuel Injection (SFI) system wiring connectors fully plugged
g. Ignition timing checked correctly
h. Transmission in neutral position
i.
A/C switch is OFF
2. CONNECT TOYOTA HAND-HELD TESTER OR OBD II SCAN TOOL
3. INSPECT IDLE SPEED
a. Race the engine speed at 1,000 rpm for approximately 5 seconds.
b. Check the idle speed.
Idle speed: 700 ± 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 OBD II SCAN TOOL