2010 NISSAN LATIO Service Repair Manual

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Page 1353 of 3745

NISSAN LATIO 2010 Service Repair Manual EC-88
< FUNCTION DIAGNOSIS >[HR16DE]
ON BOARD DIAGNOSTIC (OBD) SYSTEM
OK: Self-diagnosis is carried out and the result is OK.
NG: Self-diagnosis is carried out and the result is NG.
—: Self-diagnosi

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NISSAN LATIO 2010 Service Repair Manual ON BOARD DIAGNOSTIC (OBD) SYSTEMEC-89
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If a vehicle has failed the state emissions inspection due to one or more SRT items indicating “

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NISSAN LATIO 2010 Service Repair Manual EC-90
< FUNCTION DIAGNOSIS >[HR16DE]
ON BOARD DIAGNOSTIC (OBD) SYSTEM
• When any SRT codes are not set, MIL will flash periodically for 10 seconds.
PERMANENT DIAGNOSTIC TROUBLE CODE (PERMANENT DTC)

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NISSAN LATIO 2010 Service Repair Manual ON BOARD DIAGNOSTIC (OBD) SYSTEMEC-91
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How to Display Permanent DTC Status
WITH CONSULT-III
1. Turn ignition switch OFF and wait at least

Page 1357 of 3745

NISSAN LATIO 2010 Service Repair Manual EC-92
< FUNCTION DIAGNOSIS >[HR16DE]
ON BOARD DIAGNOSTIC (OBD) SYSTEM
WITH GST
1. Turn ignition switch OFF and wait at least 10 seconds.
2. Turn ignition switch ON.
3. Turn ignition switch OFF and wai

Page 1358 of 3745

NISSAN LATIO 2010 Service Repair Manual ON BOARD DIAGNOSTIC (OBD) SYSTEMEC-93
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OThis DTC number is clarified in Diagnostic Test Mode II (SELF-DIAGNOSTIC RESULTS)
Diagnostic Test M

Page 1359 of 3745

NISSAN LATIO 2010 Service Repair Manual EC-94
< FUNCTION DIAGNOSIS >[HR16DE]
ON BOARD DIAGNOSTIC (OBD) SYSTEM
•
It is impossible to switch the di agnostic mode when an accelerator pedal position sensor circuit has
a malfunction.
• Alwa

EC-94
< FUNCTION DIAGNOSIS >[HR16DE]
ON BOARD DIAGNOSTIC (OBD) SYSTEM
•
It is impossible to switch the di agnostic mode when an accelerator pedal position sensor circuit has
a malfunction.
• Always ECM returns to Diagnostic Test Mode I after ignition switch is turned OFF.
HOW TO SET DIAGNOSTIC TEST MODE II (SELF-DIAGNOSTIC RESULTS)
1. Confirm that accelerator pedal is fully releas ed, turn ignition switch ON and wait 3 seconds.
2. Repeat the following procedure quickly five times within 5 seconds.
- Fully depress the accelerator pedal.
- Fully release the accelerator pedal.
3. Wait 7 seconds, fully depress the accelerator pedal and keep it for approx. 10 seconds until the MIL starts
blinking.
NOTE:
Do not release the accelerator pedal for 10 seconds if MIL start blinking during this period. This
blinking is displaying SRT status and is continued for another 10 seconds.
4. Fully release the accelerator pedal. ECM has entered to Diagnostic Test Mode II (Self-diagnostic results).
NOTE:
Wait until the same DTC (or 1st trip DTC) appears to completely confirm all DTCs.
HOW TO ERASE DIAGNOSTIC TEST MO DE II (SELF-DIAGNOSTIC RESULTS)
1. Set ECM in Diagnostic Test Mode II (Self-diagnostic results). Refer to “HOW TO SET DIAGNOSTIC TEST
MODE II (SELF-DIAGNOSTIC RESULTS)”.
2. Fully depress the accelerator pedal and keep it for more than 10 seconds. The emission-related diagnostic information has been erased from the backup memory in the ECM.
3. Fully release the accelerator pedal, and confirm the DTC 0000 is displayed.
OBD System Operation Chart
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 consec utive trips, the DTC and the freeze frame data are
stored in the ECM memory, and the MIL will come on.
• The MIL will go off after the vehicle is driven 3 time s (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
C) without the same malfunction recurring. The “TIME” in “SELF DIAGNOSTIC RESULT” mode of CON-
SULT-III will count the number of times the vehicle is driven.
• The 1st trip DTC is not displayed when the self-diagnosis results in OK for the 2nd trip.
Summary Chart
PBIB0092E
Items Fuel Injection System MisfireOther
MIL (goes off) 3 (pattern B)3 (pattern B)3 (pattern B)
DTC, Freeze Frame Data (no
display) 80 (pattern C)
80 (pattern C) 40 (pattern A)
1st Trip DTC (clear) 1 (pattern C), *
11 (pattern C), *11 (pattern B)
1st Trip Freeze Frame Data
(clear) *1, *2
*1, *21 (pattern B)
Revision: January 20102010 Versa

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NISSAN LATIO 2010 Service Repair Manual ON BOARD DIAGNOSTIC (OBD) SYSTEMEC-95
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For details about patterns B an
d C under “Fuel Injection System” and “Misfire”, see “EX

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