2007 INFINITI M35 Factory Service Manual

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Page 1577 of 4647

INFINITI M35 2007 Factory Service Manual EC-48
[VQ35DE]
ON BOARD REFUELING VAPOR RECOVERY (ORVR)
Revision: 2007 April2007 M35/M45
SYMPTOM: CANNOT REFUEL/FUEL ODOR FROM THE FUEL FILLER OPENING IS STRONG
WHILE REFUELING.
1. CHECK EVAP CANISTE

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INFINITI M35 2007 Factory Service Manual ON BOARD REFUELING VAPOR RECOVERY (ORVR)
EC-49
[VQ35DE]
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Revision: 2007 April2007 M35/M45
7. CHECK REFUELING EVAP VAPOR CUT VALVE
Refer to EC-49, "
Component Inspection" .
OK

Page 1579 of 4647

INFINITI M35 2007 Factory Service Manual EC-50
[VQ35DE]
ON BOARD REFUELING VAPOR RECOVERY (ORVR)
Revision: 2007 April2007 M35/M45
d. Apply vacuum pressure to hose end [−13.3 kPa (−100 mmHg, −3.94 inHg)] with fuel gauge retainer
remaini

Page 1580 of 4647

INFINITI M35 2007 Factory Service Manual POSITIVE CRANKCASE VENTILATION
EC-51
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Revision: 2007 April2007 M35/M45
POSITIVE CRANKCASE VENTILATIONPFP:11810
DescriptionNBS004SI
SYSTEM DESCRIPTION
This system retu

Page 1581 of 4647

INFINITI M35 2007 Factory Service Manual EC-52
[VQ35DE]
POSITIVE CRANKCASE VENTILATION
Revision: 2007 April2007 M35/M45
PCV VALVE VENTILATION HOSE
1. Check hoses and hose connections for leaks.
2. Disconnect all hoses and clean with compress

Page 1582 of 4647

INFINITI M35 2007 Factory Service Manual IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-NATS)
EC-53
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Revision: 2007 April2007 M35/M45
IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-NATS)PFP:28591
DescriptionNBS004SK

Page 1583 of 4647

INFINITI M35 2007 Factory Service Manual EC-54
[VQ35DE]
ON BOARD DIAGNOSTIC (OBD) SYSTEM
Revision: 2007 April2007 M35/M45
ON BOARD DIAGNOSTIC (OBD) SYSTEMPFP:00028
IntroductionNBS004SL
The ECM has an on board diagnostic system, which detects

EC-54
[VQ35DE]
ON BOARD DIAGNOSTIC (OBD) SYSTEM
Revision: 2007 April2007 M35/M45
ON BOARD DIAGNOSTIC (OBD) SYSTEMPFP:00028
IntroductionNBS004SL
The ECM has an on board diagnostic system, which detects malfunctions related to engine sensors or actua-
tors. The ECM also records various emission-related diagnostic information including:
The above information can be checked using procedures listed in the table below.
×: Applicable —: Not applicable
*: When DTC and 1st trip DTC simultaneously appear on the display, they cannot be clearly distinguished from each other.
The malfunction indicator lamp (MIL) on the instrument panel lights up when the same malfunction is detected
in two consecutive trips (Two trip detection logic), or when the ECM enters fail-safe mode. (Refer to EC-98,
"Fail-Safe Chart" .)
Two Trip Detection LogicNBS004SM
When a malfunction is detected for the first time, 1st trip DTC and 1st trip Freeze Frame data are stored in the
ECM memory. The MIL will not light up at this stage. <1st trip>
If the same malfunction is detected again during the next drive, the DTC and Freeze Frame data are stored in
the ECM memory, and the MIL lights up. The MIL lights up at the same time when the DTC is stored. <2nd
trip> The “trip” in the “Two Trip Detection Logic” means a driving mode in which self-diagnosis is performed
during vehicle operation. Specific on board diagnostic items will cause the ECM to light up or blink the MIL,
and store DTC and Freeze Frame data, even in the 1st trip, as shown below.
×: Applicable —: Not applicable
When there is an open circuit on MIL circuit, the ECM cannot warn the driver by lighting up MIL when there is
malfunction on engine control system.
Emission-related diagnostic information Diagnostic service
Diagnostic Trouble Code (DTC) Service $03 of SAE J1979
Freeze Frame data Service $02 of SAE J1979
System Readiness Test (SRT) code Service $01 of SAE J1979
1st Trip Diagnostic Trouble Code (1st Trip DTC) Service $07 of SAE J1979
1st Trip Freeze Frame data
Test values and Test limits Service $06 of SAE J1979
Calibration ID Service $09 of SAE J1979
DTC 1st trip DTCFreeze
Frame data1st trip Freeze
Frame dataSRT code SRT status Test value
CONSULT-II×× × × × ×—
GST×× ×—×××
ECM××*— — —×—
ItemsMIL DTC 1st trip DTC
1st trip 2nd trip
1st trip
displaying2nd trip
displaying1st trip
displaying2nd trip
display-
ing BlinkingLighting
upBlinkingLighting
up
Misfire (Possible three way cata-
lyst damage) — DTC: P0300 -
P0306 is being detected×———— —×—
Misfire (Possible three way cata-
lyst damage) — DTC: P0300 -
P0306 is being detected——×——×——
One trip detection diagnoses
(Refer to EC-55, "
EMISSION-
RELATED DIAGNOSTIC INFOR-
MATION ITEMS" .)—×——×———
Except above — — —×—××—

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INFINITI M35 2007 Factory Service Manual ON BOARD DIAGNOSTIC (OBD) SYSTEM
EC-55
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Revision: 2007 April2007 M35/M45
Therefore, when electrical controlled throttle and part of ECM related diagnoses are continuo

ON BOARD DIAGNOSTIC (OBD) SYSTEM
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Revision: 2007 April2007 M35/M45
Therefore, when electrical controlled throttle and part of ECM related diagnoses are continuously detected as
NG for 5 trips, ECM warns the driver that engine control system malfunctions and MIL circuit is open by means
of operating fail-safe function.
The fail-safe function also operates when above diagnoses except MIL circuit are detected and demands the
driver to repair the malfunction.
Emission-Related Diagnostic InformationNBS004SN
EMISSION-RELATED DIAGNOSTIC INFORMATION ITEMS
×:Applicable —: Not applicable Engine operating condition in fail-safe mode Engine speed will not rise more than 2,500 rpm due to the fuel cut
Items
(CONSULT-II screen terms)DTC*
1
SRT codeTest value/
Test limit
(GST only)Trip MIL Reference page
CONSULT-II
GST*
2ECM*3
CAN COMM CIRCUIT U1000
1000*4—— 1×EC-161
CAN COMM CIRCUIT U1001
1001*4——2 (Models with
ASCD)
—EC-1611 or 2 (Models
with ICC)
CONTROL UNIT(CAN) U1010 1010 — — 1×EC-164
NO DTC IS DETECTED.
FURTHER TESTING
MAY BE REQUIRED.P0000 0000—— —Flas
hing
*
8—
INT/V TIM CONT-B1 P0011 0011 — — 2×EC-166
INT/V TIM CONT-B2 P0021 0021 — — 2×EC-166
A/F SEN1 HTR (B1) P0031 0031 —×2×EC-170
A/F SEN1 HTR (B1) P0032 0032 —×2×EC-170
HO2S2 HTR (B1) P0037 0037 —×2×EC-177
HO2S2 HTR (B1) P0038 0038 —×2×EC-177
A/F SEN1 HTR (B2) P0051 0051 —×2×EC-170
A/F SEN1 HTR (B2) P0052 0052 —×2×EC-170
HO2S2 HTR (B2) P0057 0057 —×2×EC-177
HO2S2 HTR (B2) P0058 0058 —×2×EC-177
INT/V TIM V/CIR-B1 P0075 0075 — — 2×EC-185
INT/V TIM V/CIR-B2 P0081 0081 — — 2×EC-185
MAF SEN/CIRCUIT P0101 0101 — — 2×EC-193
MAF SEN/CIRCUIT P0102 0102 — — 1×EC-202
MAF SEN/CIRCUIT P0103 0103 — — 1×EC-202
IAT SEN/CIRCUIT P0112 0112 — — 2×EC-209
IAT SEN/CIRCUIT P0113 0113 — — 2×EC-209
ECT SEN/CIRC P0117 0117 — — 1×EC-214
ECT SEN/CIRC P0118 0118 — — 1×EC-214
TP SEN 2/CIRC P0122 0122 — — 1×EC-219
TP SEN 2/CIRC P0123 0123 — — 1×EC-219
ECT SENSOR P0125 0125 — — 2×EC-226
IAT SENSOR P0127 0127 — — 2×EC-229
THERMSTAT FNCTN P0128 0128 — — 2×EC-232
A/F SENSOR1 (B1) P0130 0130 —×2×EC-234
A/F SENSOR1 (B1) P0131 0131 —×2×EC-244
A/F SENSOR1 (B1) P0132 0132 —×2×EC-253

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