Tacoma 4WD L4-2.7L (3RZ-FE) (2004)
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Idle Speed/Throttle Actuator - Electronic: Testing and Inspection
ON-VEHICLE INSPECTION
INSPECT IAC VALVE OPERATION
a. Initial conditions:
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Engine at normal operating temperature
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Idle speed check correctly
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Transmission in neutral position
b. Using SST, connect terminals TC and CG of the DLC3.
SST 09843-18040
c. After engine speed are kept at 1,000 - 1,500 rpm for 5 seconds, check that they return to idle speed.
If the engine speed operation is not as specified, check the IAC valve, wiring and ECM.
d. Remove the SST.
SST 09843-18040
