2006 INFINITI M35 Factory Service Manual

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Page 1593 of 5621

INFINITI M35 2006 Factory Service Manual EC-50
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ON BOARD REFUELING VAPOR RECOVERY (ORVR)
Revision: 2006 January2006 M35/M45
d. Apply vacuum pressure to hose end [13.3 kPa (100 mmHg, 3.94 inHg)] with fuel gauge retainer

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INFINITI M35 2006 Factory Service Manual POSITIVE CRANKCASE VENTILATION
EC-51
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Revision: 2006 January2006 M35/M45
POSITIVE CRANKCASE VENTILATIONPFP:11810
DescriptionNBS004SI
SYSTEM DESCRIPTION
This system re

Page 1595 of 5621

INFINITI M35 2006 Factory Service Manual EC-52
[VQ35DE]
POSITIVE CRANKCASE VENTILATION
Revision: 2006 January2006 M35/M45
PCV VALVE VENTILATION HOSE
1. Check hoses and hose connections for leaks.
2. Disconnect all hoses and clean with compre

Page 1596 of 5621

INFINITI M35 2006 Factory Service Manual IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-NATS)
EC-53
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Revision: 2006 January2006 M35/M45
IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-NATS)PFP:28591
DescriptionNBS004SK

Page 1597 of 5621

INFINITI M35 2006 Factory Service Manual EC-54
[VQ35DE]
ON BOARD DIAGNOSTIC (OBD) SYSTEM
Revision: 2006 January2006 M35/M45
ON BOARD DIAGNOSTIC (OBD) SYSTEMPFP:00028
IntroductionNBS004SL
The ECM has an on board diagnostic system, which detec

EC-54
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ON BOARD DIAGNOSTIC (OBD) SYSTEM
Revision: 2006 January2006 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-108,
"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 2006 Factory Service Manual ON BOARD DIAGNOSTIC (OBD) SYSTEM
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Revision: 2006 January2006 M35/M45
Therefore, when electrical controlled throttle and part of ECM related diagnoses are contin

ON BOARD DIAGNOSTIC (OBD) SYSTEM
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Revision: 2006 January2006 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——1EC-173
CAN COMM CIRCUIT U1001
1001*4——2—EC-173
CONTROL UNIT(CAN) U1010
1010*4——1EC-176
NO DTC IS DETECTED.
FURTHER TESTING
MAY BE REQUIRED.P0000 0000———Flas
hing
*
8—
INT/V TIM CONT-B1 P0011 0011 — — 2
EC-178
INT/V TIM CONT-B2 P0021 0021 — — 2EC-178
A/F SEN1 HTR (B1) P0031 0031 —2EC-182
A/F SEN1 HTR (B1) P0032 0032 —2EC-182
HO2S2 HTR (B1) P0037 0037 —2EC-189
HO2S2 HTR (B1) P0038 0038 —2EC-189
A/F SEN1 HTR (B2) P0051 0051 —2EC-182
A/F SEN1 HTR (B2) P0052 0052 —2EC-182
HO2S2 HTR (B2) P0057 0057 —2EC-189
HO2S2 HTR (B2) P0058 0058 —2EC-189
INT/V TIM V/CIR-B1 P0075 0075 — — 2EC-197
INT/V TIM V/CIR-B2 P0081 0081 — — 2EC-197
MAF SEN/CIRCUIT P0101 0101 — — 2EC-205
MAF SEN/CIRCUIT P0102 0102 — — 1EC-214
MAF SEN/CIRCUIT P0103 0103 — — 1EC-214
IAT SEN/CIRCUIT P0112 0112 — — 2EC-221
IAT SEN/CIRCUIT P0113 0113 — — 2EC-221
ECT SEN/CIRC P0117 0117 — — 1EC-226
ECT SEN/CIRC P0118 0118 — — 1EC-226
TP SEN 2/CIRC P0122 0122 — — 1EC-231
TP SEN 2/CIRC P0123 0123 — — 1EC-231
ECT SENSOR P0125 0125 — — 1EC-238
IAT SENSOR P0127 0127 — — 2EC-241
THERMSTAT FNCTN P0128 0128 — — 2EC-244
A/F SENSOR1 (B1) P0130 0130 —2EC-246
A/F SENSOR1 (B1) P0131 0131 —2EC-256
A/F SENSOR1 (B1) P0132 0132 —2EC-265
A/F SENSOR1 (B1) P0133 01332EC-274
HO2S2 (B1) P0137 01372EC-286

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INFINITI M35 2006 Factory Service Manual EC-56
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ON BOARD DIAGNOSTIC (OBD) SYSTEM
Revision: 2006 January2006 M35/M45
HO2S2 (B1) P0138 01382EC-297
HO2S2 (B1) P0139 01392EC-310
A/F SENSOR1 (B2) P0150 0150 —2EC-246
A/F SENSOR1 (B2) P01

Page 1600 of 5621

INFINITI M35 2006 Factory Service Manual ON BOARD DIAGNOSTIC (OBD) SYSTEM
EC-57
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Revision: 2006 January2006 M35/M45EVAP GROSS LEAK P0455 0455 — — 2EC-458
EVAP VERY SML LEAK P0456 0456*72EC-466
FUEL LEV S

ON BOARD DIAGNOSTIC (OBD) SYSTEM
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Revision: 2006 January2006 M35/M45EVAP GROSS LEAK P0455 0455 — — 2EC-458
EVAP VERY SML LEAK P0456 0456*72EC-466
FUEL LEV SEN SLOSH P0460 0460 — — 2EC-475
FUEL LEVEL SENSOR P0461 0461 — — 2EC-477
FUEL LEVL SEN/CIRC P0462 0462 — — 2EC-479
FUEL LEVL SEN/CIRC P0463 0463 — — 2EC-479
VEH SPEED SEN/CIRC*5P0500 0500 — — 2EC-481
ISC SYSTEM P0506 0506 — — 2EC-483
ISC SYSTEM P0507 0507 — — 2EC-485
PW ST P SEN/CIRC P0550 0550 — — 2 —EC-487
ECM BACK UP/CIRCUIT P0603 0603 — — 2EC-492
ECM P0605 0605 — —1 or
2 or
—EC-496
SENSOR POWER/CIRC P0643 0643 — — 1EC-499
TCM P0700 0700 — — 1AT- 11 2
PNP SW/CIRC P0705 0705 — — 2AT- 11 3
ATF TEMP SEN/CIRC P0710 0710 — — 2AT- 1 3 5
TURBINE SENSOR P0717 0717 — — 2AT- 11 7
VEH SPD SEN/CIR AT*5P0720 0720 — — 2AT- 11 9
ENGINE SPEED SIG P0725 0725 — — 2AT- 1 2 4
TCC SOLENOID/CIRC P0740 0740 — — 2AT- 1 2 6
A/T TCC S/V FNCTN P0744 0744 — — 2AT- 1 2 8
L/PRESS SOL/CIRC P0745 0745 — — 2AT- 1 3 0
P-N POS SW/CIRCUIT P0850 0850 — — 2EC-504
CLOSED LOOP-B1 P1148 1148 — — 1EC-509
CLOSED LOOP-B2 P1168 1168 — — 1EC-509
TCS C/U FUNCTN P1211 1211 — — 2 —EC-510
TCS/CIRC P1212 1212 — — 2 —EC-511
ENG OVER TEMP P1217 1217 — — 1EC-512
FPCM/CIRCUIT P1220 1220 — — 2EC-525
CTP LEARNING P1225 1225 — — 2 —EC-533
CTP LEARNING P1226 1226 — — 2 —EC-535
BAT CURRENT SENSOR P1550 1550 — — 2 —EC-537
BAT CURRENT SENSOR P1551 1551 — — 2 —EC-543
BAT CURRENT SENSOR P1552 1552 — — 2 —EC-543
BAT CURRENT SENSOR P1553 1553 — — 2 —EC-549
BAT CURRENT SENSOR P1554 1554 — — 2 —EC-555
ASCD SW P1564 1564 — — 1 — EC-561 (Models with ICC)
EC-568
(Models with ASCD)
ICC COMMAND VALUE*
6P1568 1568 — — 1 —EC-575
ASCD BRAKE SW P1572 1572 — — 1 — EC-576 (Models with ICC)
EC-585
(Models with ASCD) Items
(CONSULT-II screen terms)DTC*
1
SRT codeTest value/
Test limit
(GST only)Trip MIL Reference page
CONSULT-II
GST*
2ECM*3

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