2010 NISSAN LATIO Service Repair Manual

oil temperature bonnet headlights windshield wipers spare wheel check oil

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NISSAN LATIO 2010 Service Repair Manual EC-16
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DIAGNOSIS AND REPAIR WORK FLOW
DETAILED FLOW
1.GET INFORMATION FOR SYMPTOM
1. Get the detailed information from the customer about the symptom (the condition and th

EC-16
< BASIC INSPECTION >[HR16DE]
DIAGNOSIS AND REPAIR WORK FLOW
DETAILED FLOW
1.GET INFORMATION FOR SYMPTOM
1. Get the detailed information from the customer about the symptom (the condition and the environment
when the incident/malfunction occurred) using the “Diagnostic Work Sheet”. (Refer to EC-18, "
Diagnostic
Work Sheet".)
2. Ask if the customer requests I/M examination.
Malfunction information, obtained>>GO TO 2.
No malfunction information, but a request for I/M examination>>GO TO 13.
2.CHECK DTC
1. Check DTC.
2. Perform the following procedure if DTC is displayed.
- Record DTC and freeze frame data. (Print them out with CONSULT-III or GST.)
- Erase DTC. (Refer to “How to Erase DTC and 1st Trip DTC” in EC-84, "
Diagnosis Description".)
- Study the relationship between the cause detected by DTC and the symptom described by the customer.
(Symptom Table is useful. Refer to EC-484, "
Symptom Table".)
3. Check related service bulletins for information.
Is any symptom described and is any DTC detected?
Symptom is described, DTC is detected>>GO TO 3.
Symptom is described, DTC is not detected>>GO TO 4.
Symptom is not described, DTC is detected>>GO TO 5.
3.CONFIRM THE SYMPTOM
Try to confirm the symptom described by the customer (except MIL ON).
Also study the normal operation and fail sa fe related to the symptom. Refer to EC-488, "
Description" and EC-
465, "FailSafe".
Diagnosis Work Sheet is useful to verify the incident.
Verify relation between the symptom and the condition when the symptom is detected.
>> GO TO 5.
4.CONFIRM THE SYMPTOM
Try to confirm the symptom described by the customer.
Also study the normal operation and fail sa fe related to the symptom. Refer to EC-488, "
Description" and EC-
465, "FailSafe".
Diagnosis Work Sheet is useful to verify the incident.
Verify relation between the symptom and the condition when the symptom is detected.
>> GO TO 6.
5.PERFORM DTC CONFIRMATION PROCEDURE
Perform DTC CONFIRMATION PROCEDURE for the di splayed DTC, and then make sure that DTC is
detected again.
If two or more DTCs are detected, refer to EC-467, "
DTCInspectionPriorityChart" and determine trouble
diagnosis order.
NOTE:
• Freeze frame data is useful if the DTC is not detected.
• Perform Component Function Check if DTC CONFIR MATION PROCEDURE is not included on Service
Manual. This simplified check procedure is an effect ive alternative though DTC cannot be detected during
this check.
If the result of Component Function Check is NG, it is the same as the detection of DTC by DTC CONFIR-
MATION PROCEDURE.
Is DTC detected?
*1: Include 1st trip DTC.
*2: Include 1st trip freeze frame data.
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YES >> GO TO 10.
NO >> Check Intermittent Incident according to
EC-114, "
Diagnosis Procedure".
6.PER

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YES >> GO TO 10.
NO >> Check Intermittent Incident according to
EC-114, "
Diagnosis Procedure".
6.PERFORM BASIC INSPECTION
Perform EC-20, "
BASIC INSPECTION : Special Repair Requirement".
Do you have CONSULT-III?
YES >> GO TO 7.
NO >> GO TO 9.
7.PERFORM SPEC IN DATA MONITOR MODE
With CONSULT-III
Make sure that “MAS A/F SE-B1”, “B/FUEL SCHDL” and “A/F ALPHA-B1” are within the SP value using
“SPEC” of “DATA MONITOR” mode with CONSULT-III. Refer to EC-106, "
Component Function Check".
Are they within the SP value?
YES >> GO TO 9.
NO >> GO TO 8.
8.DETECT MALFUNCTIONING PART BY TROUBLE DIAGNOSIS - SPECIFICATION VALUE
Detect malfunctioning part according to EC-107, "
Diagnosis Procedure".
Is malfunctioning part detected?
YES >> GO TO 11.
NO >> GO TO 9.
9.DETECT MALFUNCTIONING SY STEM BY SYMPTOM TABLE
Detect malfunctioning system according to EC-484, "
Symptom Table" based on the confirmed symptom in
step 4, and determine the trouble diagnosis or der based on possible causes and symptom.
>> GO TO 10.
10.DETECT MALFUNCTIONING PART BY DIAGNOSIS PROCEDURE
Inspect according to Diagnosis Procedure of the system.
NOTE:
The Diagnosis Procedure in EC section described based on open circuit inspection. A short circuit inspection
is also required for the circuit check in the Diagnosis Procedure. For details, refer to “Circuit Inspection” in GI-
25, "How to Perform Efficient Diagnosis for an Electrical Incident".
Is malfunctioning part detected?
YES >> GO TO 11.
NO >> Monitor input data from related sensors or c heck the voltage of related ECM terminals using CON-
SULT-III. Refer to EC-454, "
Reference Value".
11 .REPAIR OR REPLACE THE MALFUNCTIONING PART
1. Repair or replace the malfunctioning part.
2. Reconnect parts or connectors disconnected during Diagnosis Procedure again after repair and replace-
ment.
3. Check DTC. If DTC is displayed, erase it. Refer to “How to Erase DTC and 1st Trip DTC” in EC-84, "
Diag-
nosis Description".
>> GO TO 12.
12.FINAL CHECK
When DTC was detected in step 2, perform DTC CO NFIRMATION PROCEDURE or Component Function
Check again, and then make sure that the malfunction have been repaired securely.
When symptom was described from the customer, refer to confirmed symptom in step 3 or 4, and make sure
that the symptom is not detected.
Is DTC detected and does symptom remain?
YES-1 >> DTC is detected: GO TO 10.
YES-2 >> Symptom remains: GO TO 6.
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NISSAN LATIO 2010 Service Repair Manual EC-18
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DIAGNOSIS AND REPAIR WORK FLOW
NO-1 >> No request for I/M examination from the custom
er: Before returning the vehicle to the customer,
always erase unnecessary DTC

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WORKSHEET SAMPLE
MTBL0017
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NISSAN LATIO 2010 Service Repair Manual EC-20
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INSPECTION AND ADJUSTMENT
INSPECTION AND ADJUSTMENT
BASIC INSPECTION
BASIC INSPECTION : Special Repair RequirementINFOID:0000000005398231
1.INSPECTION START
1. Check

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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 abou

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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 minute.
3. Check idle speed.
For procedure, refer to EC-24, "
IDLE SPEED : Special Repair
Requirement". For specification, refer to EC-502, "Idle Speed".
Is the inspection result normal?
YES >> GO TO 10.
NO >> GO TO 4.
4.PERFORM ACCELERATOR PEDAL RE LEASED POSITION LEARNING
1. Stop engine.
2. Perform EC-25, "
ACCELERATOR PEDAL RELEASED POSITION LEARNING : Special Repair Require-
ment".
>> GO TO 5.
5.PERFORM THROTTLE VALVE CL OSED POSITION LEARNING
Perform EC-25, "
THROTTLE VALVE CLOSED POSITION LEARNING : Special Repair Requirement".
>> GO TO 6.
6.PERFORM IDLE AIR VOLUME LEARNING
Perform EC-26, "
IDLE AIR VOLUME LEARNING : Special Repair Requirement".
Is Idle Air Volume Learning carried out successfully?
YES >> GO TO 7.
NO >> Follow the instruction of Idle Air Volume Learning. Then GO TO 4.
7.CHECK IDLE SPEED AGAIN
1. Start engine and warm it up to normal operating temperature.
2. Check idle speed. For procedure, refer to EC-24, "
IDLE SPEED : Special Repair Requirement".
For specification, refer to EC-502, "
Idle Speed".
Is the inspection result normal?
YES >> GO TO 10.
NO >> GO TO 8.
8.DETECT MALFUNCTIONING PART
Check the Following.
• Check camshaft position sensor (PHASE) and circuit. Refer to EC-262, "
DTC Logic".
• Check crankshaft position sensor (POS) and circuit. Refer to EC-257, "
DTC Logic".
Is the inspection result normal?
YES >> GO TO 9.
NO >> Repair or replace. Then GO TO 4.
9.CHECK ECM FUNCTION
1. Substitute another known-good ECM to check ECM f unction. (ECM may be the cause of an incident, but
this is rare.)
2. Perform initialization of NVIS (NATS) system and registration of all NVIS (NATS) ignition key IDs. Refer to BL-249, "
ECM Re-communicating Function".
>> GO TO 4.
10.CHECK IGNITION TIMING
1. Run engine at idle.
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NISSAN LATIO 2010 Service Repair Manual EC-22
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INSPECTION AND ADJUSTMENT
2. Check ignition timing with a timing light.
For procedure, refer to EC-24, "
IGNITION TIMING : Special
Repair Requirement". For specific

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17.DETECT MALFUNCTIONING PART
Check the following.
• Check camshaft position sensor (PHASE) and circuit.

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