nissan Workshop Repair Guides

Nissan and Datsun Workshop Service and Repair Manuals

Idle Speed/Ignition Timing/Idle Mixture Ratio Adjustment|Page 3119 > < Idle Speed/Ignition Timing/Idle Mixture Ratio Adjustment|Page 3117
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Idle Speed: Adjustments
Idle Air Volume Learning

PRE-CONDITIONING

Before performing "Idle Air Volume Learning", make sure that all of the following conditions are satisfied.

Learning will be cancelled if any of the following conditions are missed for even a moment.

-

Battery voltage: More than 12.9 V (At idle)

-

Engine coolant temperature: 70 - 95 °C (158 - 203 °F)

-

PNP switch: ON

-

Electric load switch: OFF (Air conditioner, headlamp, rear window defogger)

On vehicles equipped with daytime running light systems, if the parking brake is applied before the engine is started the headlamp will not be
illuminated.

-

Cooling fan motor: Not operating

-

Steering wheel: Neutral (Straight-ahead position)

-

Vehicle speed: Stopped

OPERATION PROCEDURE

With CONSULT-II

1. Turn ignition switch "ON" and wait at least 1 second.
2. Turn ignition switch "OFF" and wait at least 10 seconds.
3. Start engine and warm it up to normal operating temperature.
4. Check that all items listed under the topic "PRE-CONDITIONING" (previously mentioned) are in good order.
5. Turn ignition switch "OFF" and wait at least 5 seconds.
6. Start the engine and let it idle for at least 30 seconds.

7. Select "IDLE AIR VOL LEARN" in "WORK SUPPORT" mode.
8. Touch "START" and wait 20 seconds.

Idle Speed/Ignition Timing/Idle Mixture Ratio Adjustment|Page 3119 > < Idle Speed/Ignition Timing/Idle Mixture Ratio Adjustment|Page 3117