Nissan Juke F15. Instruction — part 487
AIR FUEL RATIO INITIAL LEARNING
EC-761
< BASIC INSPECTION >
[MR EXCEPT FOR NISMO RS MODELS]
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7. Wait 7 seconds, fully depress the accelerator pedal and keep it for approx. 20 seconds until the MIL stops
blinking and turned ON.
8. Fully release the accelerator pedal within 3 seconds after the MIL turned ON.
9. Start engine and let it idle.
10. Wait 20 seconds.
>> INSPECTION END
4.
DETECT MALFUNCTIONING PART
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”. Refer to
If any of the following conditions occur after the engine has started, eliminate the cause of the incident and
perform “AIR FUEL RATIO INITIAL LEARNING” all over again:
• Engine stalls
• Erroneous idle
>> INSPECTION END
SEC897C
EC-762
< BASIC INSPECTION >
[MR EXCEPT FOR NISMO RS MODELS]
MIXTURE RATIO SELF-LEARNING VALUE CLEAR
MIXTURE RATIO SELF-LEARNING VALUE CLEAR
Description
INFOID:0000000012198273
This describes how to erase the mixture ratio self-learning value. For the actual procedure, follow the instruc-
tions in “Diagnosis Procedure”. Refer to
Work Procedure
INFOID:0000000012198274
1.
START
With CONSULT
1. Start engine and warm it up to normal operating temperature.
2. Select “SELF-LEARNING CONT” in “WORK SUPPORT” mode of “ENGINE” using CONSULT.
3. Clear mixture ratio self-learning value by touching “CLEAR”.
With GST
1. Start engine and warm it up to normal operating temperature.
2. Turn ignition switch OFF.
3. Disconnect mass air flow sensor harness connector.
4. Restart engine and let it idle for at least 5 seconds.
5. Stop engine and reconnect mass air flow sensor harness connector.
6. Select Service $03 with GST. Make sure DTC P0102 is detected.
7. Select Service $04 with GST to erase the DTC P0102.
>> END
G SENSOR CALIBRATION
EC-763
< BASIC INSPECTION >
[MR EXCEPT FOR NISMO RS MODELS]
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G SENSOR CALIBRATION
Description
INFOID:0000000012198275
ECM stores calibration data (inherent characteristic value) of G sensor to provide accurate control. Therefore,
it is required to perform calibration of G sensor after the following work is performed.
• Removal/installation or replacement of G sensor
• Replacement of ECM
Work Procedure
INFOID:0000000012198276
1.
PREPARATION BEFORE CALIBRATION PROCEDURE
1. Park the vehicle on a level surface.
2. Adjust air pressure of all tires to the specified pressure.
>> GO TO 2.
2.
PERFORM CALIBRATION
With CONSULT
1. Turn ignition switch ON.
CAUTION:
Never start engine.
2. Select “Work Support” mode in “ENGINE.
3. Select “G SENSOR CALIBRATION”.
4. Touch “Start”.
CAUTION:
Never swing the vehicle during “G sensor calibration”.
Is “COMPLETED” displayed?
YES
>> END
NO
>> Perform steps 1 and 2 again.
EC-764
< BASIC INSPECTION >
[MR EXCEPT FOR NISMO RS MODELS]
CUMULATIVE BATTERY DISCHARGE CURRENT CLEAR
CUMULATIVE BATTERY DISCHARGE CURRENT CLEAR
Description
INFOID:0000000012198277
Cumulative Battery Discharge Current Clear is a function of ECM to erase the cumulative battery discharge
current. It must be performed when battery is replaced. Refer to
.
Work Procedure
INFOID:0000000012198278
1.
ERASE CUMULATIVE BATTERY DISCHARGE CURRENT
With CONSULT
1. Turn ignition switch ON.
2. Select “CML B/DCHRG CRNT CLEAR” in “WORK SUPPORT” mode of “ENGINE” using CONSULT.
3. Touch “CLEAR” and erase cumulative battery discharge current.
>> INSPECTION END
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