Nissan and Datsun Workshop Service and Repair Manuals

Idle Speed/Throttle Actuator - Electronic: Testing and Inspection

COMPONENT INSPECTION 
IACV-AAC Valve 

Disconnect IACV-AAC valve harness connector.

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Check IACV-AAC valve resistance.

Resistance: Approximately 10 Ohms [at 25° C (77° F)] 

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Check plunger for seizing or sticking.

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Check for broken spring.