On-Vehicle Inspection
ON-VEHICLE INSPECTION
INSPECT IAC VALVE OPERATION
(a) initial conditions:
- Engine at normal operating temperature
- idle speed check correctly
- Transmission in neutral position
(b) Using SST, connect terminals TE1 and E1 of the DLC1.
SST 09843-18020
(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 09843-18020