Nissan Pathfinder. Manual — part 464
EC-162
< BASIC INSPECTION >
[VQ35DE]
HOW TO ERASE PERMANENT DTC
Work Procedure (Group B)
INFOID:0000000009178092
NOTE:
Drive the vehicle according to only driving patterns indicating “INCMP” in driving patterns B and D on the
“PERMANENT DTC STATUS” screen.
1.
CHECK DTC
Check DTC.
Is any DTC detected?
YES
>> Repair malfunction(s) and erase DTC. Refer to
EC-58, "On Board Diagnosis Function"
NO
>> GO TO 2.
2.
CHECK PERMANENT DTC
With CONSULT
1. Turn ignition switch OFF and wait at least 10 seconds.
2. Turn ignition switch ON.
3. Turn ignition switch OFF and wait at least 10 seconds.
4. Turn ignition switch ON.
5. Select “PERMANENT DTC STATUS” mode with CONSULT.
With GST
1. Turn ignition switch OFF and wait at least 10 seconds.
2. Turn ignition switch ON.
3. Turn ignition switch OFF and wait at least 10 seconds.
*1: When the same malfunction is de-
tected in two consecutive trips, MIL
will illuminate.
*2: After experiencing driving pattern B
and D, permanent DTC is erased.
*3: Indication does not change unless
the ignition switch is turned from ON
to OFF twice even after experiencing
driving pattern B or D.
JSBIA0414GB
HOW TO ERASE PERMANENT DTC
EC-163
< BASIC INSPECTION >
[VQ35DE]
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4. Turn ignition switch ON.
5. Select Service $0A with GST.
Is any permanent DTC detected?
YES
>> GO TO 3.
NO
>> END
3.
DRIVE DRIVING PATTERN B
CAUTION:
• Always drive at a safe speed.
• Never erase self-diagnosis results.
• If self-diagnosis results are erased during the trip of driving pattern B or D, the counter of driving
pattern B and D is reset.
With CONSULT
1. Start engine and warm it up to normal operating temperature.
2. Use “PERMANENT DTC WORK SUPPORT” mode with CONSULT to drive the vehicle according to driv-
ing pattern B. Refer to
EC-55, "DIAGNOSIS DESCRIPTION : Driving Pat-
With GST
1. Start engine and warm it up to normal operating temperature.
2. Drive the vehicle according to driving pattern B. Refer to
EC-55, "DIAGNOSIS DESCRIPTION : Driving
.
>> GO TO 4.
4.
CHECK PERMANENT DTC
With CONSULT
1. Turn ignition switch OFF and wait at least 10 seconds.
2. Turn ignition switch ON.
3. Turn ignition switch OFF and wait at least 10 seconds.
4. Turn ignition switch ON.
5. Select “PERMANENT DTC STATUS” mode with CONSULT.
With GST
1. Turn ignition switch OFF and wait at least 10 seconds.
2. Turn ignition switch ON.
3. Turn ignition switch OFF and wait at least 10 seconds.
4. Turn ignition switch ON.
5. Select Service $0A with GST.
Is any permanent DTC detected?
YES
>> GO TO 5.
NO
>> END
5.
DRIVE DRIVING PATTERN D
CAUTION:
• Always drive at a safe speed.
• Never erase self-diagnosis results.
• If self-diagnosis results are erased during the trip of driving pattern B or D, the counter of driving
pattern B and D is reset.
1. Drive the vehicle according to driving pattern D. Refer to
EC-55, "DIAGNOSIS DESCRIPTION : Driving
.
>> GO TO 6.
6.
CHECK PERMANENT DTC
With CONSULT
1. Turn ignition switch OFF and wait at least 10 seconds.
2. Turn ignition switch ON.
3. Turn ignition switch OFF and wait at least 10 seconds.
4. Turn ignition switch ON.
EC-164
< BASIC INSPECTION >
[VQ35DE]
HOW TO ERASE PERMANENT DTC
5. Select “PERMANENT DTC STATUS” mode with CONSULT.
With GST
1. Turn ignition switch OFF and wait at least 10 seconds.
2. Turn ignition switch ON.
3. Turn ignition switch OFF and wait at least 10 seconds.
4. Turn ignition switch ON.
5. Select Service $0A with GST.
Is any permanent DTC detected?
YES
>> GO TO 1.
NO
>> END
TROUBLE DIAGNOSIS - SPECIFICATION VALUE
EC-165
< DTC/CIRCUIT DIAGNOSIS >
[VQ35DE]
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DTC/CIRCUIT DIAGNOSIS
TROUBLE DIAGNOSIS - SPECIFICATION VALUE
Description
INFOID:0000000009178093
The specification (SP) value indicates the tolerance of the value that is displayed in “SPEC” in “DATA MONI-
TOR” mode of CONSULT during normal operation of the Engine Control System. When the value in “SPEC” in
“DATA MONITOR” mode is within the SP value, the Engine Control System is confirmed OK. When the value
in “SPEC” in “DATA MONITOR” mode is NOT within the SP value, the Engine Control System may have one
or more malfunctions.
The SP value is used to detect malfunctions that may affect the Engine Control System, but will not illuminate
the MIL.
The SP value will be displayed for the following three items:
• B/FUEL SCHDL (The fuel injection pulse width programmed into ECM prior to any learned on board correc-
tion)
• A/F ALPHA-B1/B2 (The mean value of air-fuel ratio feedback correction factor per cycle)
• MAS A/F SE-B1 (The signal voltage of the mass air flow sensor)
Component Function Check
INFOID:0000000009178094
1.
START
Check that all of the following conditions are satisfied.
• Vehicle driven distance: More than 5,000 km (3,107 miles)
• Barometric pressure: 98.3 - 104.3 kPa (1.003 - 1.064 kg/cm
2
, 14.25 - 15.12 psi)
• Atmospheric temperature: 20 - 30
°C (68 - 86°F)
• Engine coolant temperature: 75 - 95
°C (167 - 203°F)
• Transmission: Warmed-up
- After the engine is warmed up to normal operating temperature, drive vehicle until “FLUID TEMP SE” (CVT
fluid temperature sensor signal) indicates more than 60
°C (140°F).
• Electrical load: Not applied
- Rear window defogger switch, air conditioner switch lighting switch are OFF. Steering wheel is straight
ahead.
• Engine speed: Idle
>> GO TO 2.
2.
PERFORM “SPEC” OF “DATA MONITOR” MODE
With CONSULT
NOTE:
Perform “SPEC” in “DATA MONITOR” mode in maximum scale display.
1. Perform basic inspection. Refer to
.
2. Select “B/FUEL SCHDL”, “A/F ALPHA-B1”, “A/F ALPHA-B2” and “MAS A/F SE-B1” in “SPEC” of “DATA
MONITOR” mode with CONSULT.
3. Check that monitor items are within the SP value.
Is the measurement value within the SP value?
YES
>> INSPECTION END
NO
>> Proceed to
.
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