2014 NISSAN TEANA Service Manual

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Page 1673 of 4801

NISSAN TEANA 2014 Service Manual
DIAGNOSIS AND REPAIR WORKFLOWEC-673
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12.FINAL CHECK
When DTC was detected in step 2, perform DTC CO NFIRMATION PROCEDURE or Component Fun

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NISSAN TEANA 2014 Service Manual
EC-674
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DIAGNOSIS AND REPAIR WORKFLOW
WORKSHEET SAMPLE
MTBL0017
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

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NISSAN TEANA 2014 Service Manual
BASIC INSPECTIONEC-675
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BASIC INSPECTION
Work ProcedureINFOID:0000000009462550
1.INSPECTION START
1. Check service records for any recent

Page 1676 of 4801

NISSAN TEANA 2014 Service Manual
EC-676
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BASIC INSPECTION
2. Rev engine (2,000 to 3,000 rpm) 2 or 3 times under no load,
then run engine at idle speed for approximately 1 minute.
3. Check idle speed.
For

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NISSAN TEANA 2014 Service Manual
BASIC INSPECTIONEC-677
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For specification, refer to
EC-998, "Ignition Timing".
Is the inspection result normal?
YES >> GO TO 19.
NO >>

BASIC INSPECTIONEC-677
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For specification, refer to
EC-998, "Ignition Timing".
Is the inspection result normal?
YES >> GO TO 19.
NO >> GO TO 11.
11 .PERFORM ACCELERATOR PEDAL RELEASED POSITION LEARNING
1. Stop engine.
2. Perform EC-681, "Work Procedure"
.
>> GO TO 12.
12.PERFORM THROTTLE VALVE CLOSED POSITION LEARNING
Perform EC-682, "Work Procedure"
.
>> GO TO 13.
13.PERFORM IDLE AIR VOLUME LEARNING
Perform EC-683, "Work Procedure"
.
Is Idle Air Volume Learning carried out successfully?
YES >> GO TO 14.
NO >> Follow the instruction of Idle Air Volume Learning. Then GO TO 4.
14.CHECK IDLE SPEED AGAIN
1. Start engine and warm it up to normal operating temperature.
2. Check idle speed.
For procedure, refer to EC-992, "Work Procedure"
.
For specification, refer to EC-998, "Idle Speed"
.
Is the inspection result normal?
YES >> GO TO 15.
NO >> GO TO 17.
15.CHECK IGNITION TIMING AGAIN
1. Run engine at idle.
2. Check ignition timing with a timing light. For procedure, refer to EC-993, "Work Procedure"
.
For specification, refer to EC-998, "Ignition Timing"
.
Is the inspection result normal?
YES >> GO TO 19.
NO >> GO TO 16.
16.CHECK TIMING CHAIN INSTALLATION
Check timing chain installation. Refer to EM-182, "Exploded View"
.
Is the inspection result normal?
YES >> GO TO 17.
NO >> Repair the timing chain installation. Then GO TO 4.
17.DETECT MALFUNCTIONING PART
Check the following.
• Check camshaft position sensor (PHASE) and circuit. Refer to EC-820, "Diagnosis Procedure"
.
• Check crankshaft position sensor (POS) and circuit. Refer to EC-817, "Diagnosis Procedure"
.
Is the inspection result normal?
YES >> GO TO 18.
NO >> Repair or replace malfunctioning part. Then GO TO 4.
18.CHECK ECM FUNCTION
1. Substitute with a non-malfunctioning ECM to check EC M function. (ECM may be the cause of the incident,
although this is rare.)
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

Page 1678 of 4801

NISSAN TEANA 2014 Service Manual
EC-678
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BASIC INSPECTION
2. Perform initialization of NVIS (NAT
S) system and registration of all NVIS (NATS) ignition key IDs. Refer to
SEC-66, "ECM : Work Procedure"
.
>

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NISSAN TEANA 2014 Service Manual
ADDITIONAL SERVICE WHEN REPLACING ECMEC-679
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ADDITIONAL SERVICE WHEN REPLACING ECM
DescriptionINFOID:0000000009462551
When replacing ECM,

ADDITIONAL SERVICE WHEN REPLACING ECMEC-679
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ADDITIONAL SERVICE WHEN REPLACING ECM
DescriptionINFOID:0000000009462551
When replacing ECM, the following procedure mu
st be performed. (For details, refer to EC-679, "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:0000000009462552
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 program ming. Refer to CONSULT Operation Manual.
NOTE:
• Refer to EC-997, "Removal and Installation"
for replacement of ECM.
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

Page 1680 of 4801

NISSAN TEANA 2014 Service Manual
EC-680
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ADDITIONAL SERVICE WHEN REPLACING ECM
• During programming, maintain the following conditions:
- Ignition switch: ON
- Electric load: OFF
- Brake pedal: Not d

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