On-Vehicle Inspection
INSPECT IAC VALVE OPERATIONa. Initial conditions:
- Engine at normal operating temperature
- Idle speed check correctly
- Transmission in neutral position
b. Using SST, connect terminals TC and CG of the DLC3.
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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.
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