Nissan Teana J32. Manual - part 393

EC-110

< FUNCTION DIAGNOSIS >

[VQ25DE, VQ35DE]

ON BOARD DIAGNOSTIC (OBD) SYSTEM

For details about patterns B and C under “Fuel Injection System” and “Misfire”, see “EXPLANATION FOR DRIVING PATTERNS FOR
“MISFIRE <EXHAUST QUALITY DETERIORATION>”, “FUEL INJECTION SYSTEM”.

For details about patterns A and B under Other, see “EXPLANATION FOR DRIVING PATTERNS FOR “MISFIRE <EXHAUST QUALITY
DETERIORATION>”, “FUEL INJECTION SYSTEM”.

*1: Clear timing is at the moment OK is detected.

*2: Clear timing is when the same malfunction is detected in the 2nd trip.

Relationship Between MI, DTC, 1st Trip DTC and Driving Patterns for “Misfire <Exhaust Quality Deterioration>”, “Fu-
el Injection System”

1st Trip DTC (clear)

1 (pattern C), *

1 (pattern B)

1st Trip Freeze Frame Data
(clear)

*1, *2

1 (pattern B)

Items

Fuel Injection System

Misfire

Other

JMBIA1466GB

ON BOARD DIAGNOSTIC (OBD) SYSTEM

EC-111

< FUNCTION DIAGNOSIS >

[VQ25DE, VQ35DE]

Explanation for Driving Patterns for “Misfire <Exhaust Quality Deterioration>”, “Fuel Injection System”

<Driving Pattern B>
Driving pattern B means the vehicle operation as per the following:
All components and systems should be monitored at least once by the OBD system.
• The B counter will be cleared when the malfunction is detected once regardless of the driving pattern.
• The B counter will be counted up when driving pattern B is satisfied without any malfunction.
• The MI will turn off when the B counter reaches 3. (*2 in “OBD SYSTEM OPERATION CHART”)
<Driving Pattern C>
Driving pattern C means operating vehicle as per the following:
The following conditions should be satisfied at the same time:
Engine speed: (Engine speed in the freeze frame data)

375 rpm

Calculated load value: (Calculated load value in the freeze frame data) x (1

0.1) [%]

Engine coolant temperature (T) condition:
• When the freeze frame data shows lower than 70

C (158

F), T should be lower than 70

C (158

F).

• When the freeze frame data shows higher than or equal to 70

C (158

F), T should be higher than or equal to

C (158

F).

Example:
If the stored freeze frame data is as per the following:
Engine speed: 850 rpm, Calculated load value: 30%, Engine coolant temperature: 80

C (176

To be satisfied with driving pattern C, the vehicle should run under the following conditions:
Engine speed: 475 - 1,225 rpm, Calculated load value: 27 - 33%, Engine coolant temperature: more than 70

(158

• The C counter will be cleared when the malfunction is detected regardless of vehicle conditions above.
• The C counter will be counted up when vehicle conditions above are satisfied without the same malfunction.
• The DTC will not be displayed after C counter reaches 80.
• The 1st trip DTC will be cleared when C counter is counted once without the same malfunction after DTC is

stored in ECM.

Relationship Between MI, DTC, 1st Trip DTC and Driving Patterns Except For “Misfire <Exhaust Quality Deteriora-
tion>”, “Fuel Injection System”

*1: When the same malfunction is de-

tected in two consecutive trips, MI will
illuminate.

*2: MI will turn off after vehicle is driven 3

times (pattern B) without any mal-
functions.

*3: When the same malfunction is de-

tected in two consecutive trips, the
DTC and the freeze frame data will be
stored in ECM.

*4: The DTC and the freeze frame data

will not be displayed any longer after
vehicle is driven 80 times (pattern C)
without the same malfunction. (The
DTC and the freeze frame data still
remain in ECM.)

*5: When a malfunction is detected for

the first time, the 1st trip DTC and the
1st trip freeze frame data will be
stored in ECM.

*6: The 1st trip DTC and the 1st trip

freeze frame data will be cleared at
the moment OK is detected.

*7: When the same malfunction is de-

tected in the 2nd trip, the 1st trip
freeze frame data will be cleared.

*8: 1st trip DTC will be cleared when ve-

hicle is driven once (pattern C) with-
out the same malfunction after DTC
is stored in ECM.

EC-112

< FUNCTION DIAGNOSIS >

[VQ25DE, VQ35DE]

ON BOARD DIAGNOSTIC (OBD) SYSTEM

*1: When the same malfunction is de-

tected in two consecutive trips, MI will
illuminate.

*2: MI will turn off after vehicle is driven 3

times (pattern B) without any mal-
functions.

*3: When the same malfunction is de-

tected in two consecutive trips, the
DTC and the freeze frame data will be
stored in ECM.

JMBIA1467GB

ON BOARD DIAGNOSTIC (OBD) SYSTEM

EC-113

< FUNCTION DIAGNOSIS >

[VQ25DE, VQ35DE]

Explanation for Driving Patterns Except for “Misfire <Exhaust Quality Deterioration>”, “Fuel Injection System”

• The A counter will be cleared when the malfunction is detected regardless of (1) - (4).
• The A counter will be counted up when (1) - (4) are satisfied without the same malfunction.
• The DTC will not be displayed after the A counter reaches 40.
<Driving Pattern B>
Driving pattern B means operating vehicle as per the following:
All components and systems should be monitored at least once by the OBD system.
• The B counter will be cleared when the malfunction is detected once regardless of the driving pattern.
• The B counter will be counted up when driving pattern B is satisfied without any malfunctions.
• The MI will go off when the B counter reaches 3 (*2 in OBD SYSTEM OPERATION CHART).

CONSULT-III Function

INFOID:0000000003856503

FUNCTION

*: The following emission-related diagnostic information is cleared when the ECM memory is erased.

• Diagnostic trouble codes

• 1st trip diagnostic trouble codes

• Freeze frame data

*4: The DTC and the freeze frame data

will not be displayed any longer after
vehicle is driven 40 times (pattern A)
without the same malfunction.
(The DTC and the freeze frame data
still remain in ECM.)

*5: When a malfunction is detected for

the first time, the 1st trip DTC and the
1st trip freeze frame data will be
stored in ECM.

*6: 1st trip DTC will be cleared after vehi-

cle is driven once (pattern B) without
the same malfunction.

*7: When the same malfunction is de-

tected in the 2nd trip, the 1st trip
freeze frame data will be cleared.

AEC574

Diagnostic test mode

Function

Work Support

This mode enables a technician to adjust some devices faster and more accurately by following the in-
dications on the CONSULT-III unit.

Self-Diagnostic Result

Self-diagnostic results such as 1st trip DTC, DTCs and 1st trip freeze frame data or freeze frame data
can be read and erased quickly.*

Data Monitor

Input/Output data in the ECM can be read.

Active Test

Diagnostic Test Mode in which CONSULT-III drives some actuators apart from the ECMs and also shifts
some parameters in a specified range.

DTC & SRT Confirmation

The status of system monitoring tests and the self-diagnosis status/results can be confirmed.

Function Test

This mode is used to inform customers when their vehicle requires periodic maintenance.

ECU Part Number

ECM part number can be read.

Content .. 391 392 393 394 ..