2014 NISSAN TEANA Service Manual

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Page 1169 of 4801

NISSAN TEANA 2014 Service Manual
DIAGNOSIS AND REPAIR WORKFLOWEC-169
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WORKSHEET SAMPLE
MTBL0017
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima N

Page 1170 of 4801

NISSAN TEANA 2014 Service Manual
EC-170
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BASIC INSPECTION
BASIC INSPECTION
Work ProcedureINFOID:0000000009462129
1.INSPECTION START
1. Check service records for any recent repairs that ma y indicate a rel

Page 1171 of 4801

NISSAN TEANA 2014 Service Manual
BASIC INSPECTIONEC-171
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2. Rev engine (2,000 to 3,000 rpm) two or three times under no
load, then run engine at idle speed for about 1 mi

Page 1172 of 4801

NISSAN TEANA 2014 Service Manual
EC-172
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BASIC INSPECTION
2. Check ignition timing with a timing light.
For procedure, refer to EC-535, "Inspection"
For specification, refer to EC-541, "Ignition Timing"

Page 1173 of 4801

NISSAN TEANA 2014 Service Manual
BASIC INSPECTIONEC-173
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17.DETECT MALFUNCTIONING PART
Check the following.
• Check camshaft position sensor (PHASE) and circuit. Refe

Page 1174 of 4801

NISSAN TEANA 2014 Service Manual
EC-174
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ADDITIONAL SERVICE WHEN REPLACING ECM
ADDITIONAL SERVICE WHEN REPLACING ECM
DescriptionINFOID:0000000009462130
When replacing ECM, the following procedure
must be

EC-174
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ADDITIONAL SERVICE WHEN REPLACING ECM
ADDITIONAL SERVICE WHEN REPLACING ECM
DescriptionINFOID:0000000009462130
When replacing ECM, the following procedure
must be performed. (For details, refer to EC-174, "Work Proce-
dure".)
PROGRAMMING OPERATION
NOTE:
After replacing with a blank ECM, programming is required to write ECM information. Be sure to follow the pro-
cedure to perform the programming.
BEFORE REPLACEMENT
When replacing ECM, perform “SAVING DATA FOR RE PLC CPU” in “WORK SUPPORT” of “ENGINE” by
using CONSULT to save current ECM data before replacement.
AFTER REPLACEMENT
After replacing ECM, the following items must be performed:
• Write data after replace CPU
• Accelerator pedal released position learning
• Throttle valve closed position learning
• Idle air volume learning
Work ProcedureINFOID:0000000009462131
1.SAVE ECM DATA
With CONSULT
1. Turn ignition switch OFF.
2. Reconnect all harness connectors disconnected.
3. Turn ignition switch ON.
4. Select “SAVING DATA FOR REPLC CPU” in “W ORK SUPPORT” mode of “ENGINE” using CONSULT.
5. Follow the instruction of CONSULT display.
NOTE:
• Necessary data in ECM is copied and saved to CONSULT.
• Go to Step 2 regardless of with or without success in saving data.
>> GO TO 2.
2.CHECK ECM PART NUMBER
Check ECM part number to see whether it is blank ECM or not.
NOTE:
• Part number of blank ECM is 23703 - ×××××.
• Check part number when ordering ECM or the one included in the label on the container box.
Is the ECM a blank ECM?
YES >> GO TO 3.
NO >> GO TO 5.
3.SAVE ECM PART NUMBER
Read out the part number from the old ECM and save the number, following the programming instructions.
Refer to CONSULT Operation Manual.
NOTE:
• The ECM part number is saved in CONSULT.
• Even when ECM part number is not saved in CONSULT, go to 4.
>> GO TO 4.
4.PERFORM ECM PROGRAMMING
After replacing ECM, perform the ECM progr amming. Refer to CONSULT Operation Manual.
NOTE:
• Refer to EC-540, "Removal and Installation"
for replacement of ECM.
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

Page 1175 of 4801

NISSAN TEANA 2014 Service Manual
ADDITIONAL SERVICE WHEN REPLACING ECMEC-175
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• During programming, maintain the following conditions:
- Ignition switch: ON
- Electri

Page 1176 of 4801

NISSAN TEANA 2014 Service Manual
EC-176
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VIN REGISTRATION
VIN REGISTRATION
DescriptionINFOID:0000000009462132
VIN Registration is an operation to registering VIN in
ECM. It must be performed each time EC

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