2008 NISSAN LATIO Service Repair Manual

run flat odometer fuel additives warning lights mileage OBD port

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NISSAN LATIO 2008 Service Repair Manual ON BOARD DIAGNOSTIC (OBD) SYSTEM
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tified codes can be identified by using the CONSULT-II or GST. A DTC will be used as an example for how t

ON BOARD DIAGNOSTIC (OBD) SYSTEM
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tified codes can be identified by using the CONSULT-II or GST. A DTC will be used as an example for how to
read a code.
A particular trouble code can be identified by the number of four-digit numeral flashes. The “zero” is indicated
by the number of ten flashes. The “A” is indicated by the number of eleven flash. The length of time the
1,000th-digit numeral flashes on and off is 1.2 seconds consisting of an ON (0.6-second) - OFF (0.6-second)
cycle. The 100th-digit numeral and lower digit numerals consist of a 0.3-second ON and 0.3-second OFF
cycle. A change from one digit numeral to another occurs at an interval of 1.0-second OFF. In other words, the
later numeral appears on the display 1.3 seconds after the former numeral has disappeared.
A change from one trouble code to another occurs at an interval of 1.8-second OFF.
In this way, all the detected malfunctions are classified by their DTC numbers. The DTC 0000 refers to no mal-
function. (See EC-9
)
How to Erase Diagnostic Test Mode II (Self-diagnostic Results)
The DTC can be erased from the back-up memory in the ECM by depressing accelerator pedal.
Refer to "How to Erase Diagnostic Test Mode II (Self-diagnostic Results)".
•If the battery is disconnected, the DTC will be lost from the backup memory within 24 hours.
•Be careful not to erase the stored memory before starting trouble diagnoses.
OBD System Operation ChartINFOID:0000000001702577
RELATIONSHIP BETWEEN MIL, 1ST TRIP DTC, DTC, AND DETECTABLE ITEMS
• When a malfunction is detected for the first time, the 1st trip DTC and the 1st trip freeze frame data are
stored in the ECM memory.
• When the same malfunction is detected in two consecutive trips, the DTC and the freeze frame data are
stored in the ECM memory, and the MIL will come on. For details, refer to EC-46, "
Two Trip Detection Logic".
• The MIL will go off after the vehicle is driven 3 times (driving pattern B) with no malfunction. The drive is
counted only when the recorded driving pattern is met (as stored in the ECM). If another malfunction occurs
while counting, the counter will reset.
• The DTC and the freeze frame data will be stored until the vehicle is driven 40 times (driving pattern A) with-
out the same malfunction recurring (except for Misfire and Fuel Injection System). For Misfire and Fuel Injec-
tion System, the DTC and freeze frame data will be stored until the vehicle is driven 80 times (driving pattern
PBIB3005E

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NISSAN LATIO 2008 Service Repair Manual EC-64
< SERVICE INFORMATION >
ON BOARD DIAGNOSTIC (OBD) SYSTEM
C) without the same malfunction recurring. The “TIME” in “SELF-DIAGNOSTIC RESULTS” mode of CON-
SULT-II will count the number of

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NISSAN LATIO 2008 Service Repair Manual ON BOARD DIAGNOSTIC (OBD) SYSTEM
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EXPLANATION FOR DRIVING PATTERNS FOR “MISFIRE <EXHAUST QUALITY DETERIORA-
TION>”, “FUEL INJECTION S

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NISSAN LATIO 2008 Service Repair Manual EC-66
< SERVICE INFORMATION >
ON BOARD DIAGNOSTIC (OBD) SYSTEM
All components and systems should be monitored at least once by the OBD system.
• The B counter will be cleared when the malfunction is

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NISSAN LATIO 2008 Service Repair Manual ON BOARD DIAGNOSTIC (OBD) SYSTEM
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EXPLANATION FOR DRIVING PATTERNS EXCEPT FOR “MISFIRE <EXHAUST QUALITY DETE-
RIORATION>”, “FUEL INJE

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NISSAN LATIO 2008 Service Repair Manual EC-68
< SERVICE INFORMATION >
ON BOARD DIAGNOSTIC (OBD) SYSTEM
<Driving Pattern A>
• The A counter will be cleared when the malfunction is detected regardless of (1) - (4).
• The A counter will be

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NISSAN LATIO 2008 Service Repair Manual BASIC SERVICE PROCEDURE
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BASIC SERVICE PROCEDURE
Basic InspectionINFOID:0000000001702578
1.INSPECTION START
1. Check service records for an

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NISSAN LATIO 2008 Service Repair Manual EC-70
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BASIC SERVICE PROCEDURE
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. Read idle speed in “DA

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