nissan Workshop Repair Guides

Nissan and Datsun Workshop Service and Repair Manuals

Sensors and Switches - Fuel Delivery and Air Induction > < Perform If Throttle Actuator Is Disconnected|Page 8114
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DIAGNOSTIC PROCEDURE

If idle air volume learning cannot be performed successfully, proceed as follows:

1. Check that throttle valve is fully closed.
2. Check PCV valve operation.
3. Check that downstream of throttle valve is free from air leakage.
4. When the above three items check out OK, engine component parts and their installation condition are questionable. Check and eliminate the

cause of the incident.
It is useful to perform "TROUBLE DIAGNOSIS - SPECIFICATION VALUE". See: Computers and Control Systems/Testing and
Inspection/Monitors, Trips, Drive Cycles and Readiness Codes/Specification (SP) Value

5. If any of the following conditions occur after the engine has started, eliminate the cause of the incident and perform Idle air volume learning all

over again:
-

Engine stalls.

-

Erroneous idle.

Sensors and Switches - Fuel Delivery and Air Induction > < Perform If Throttle Actuator Is Disconnected|Page 8114