2007 INFINITI FX35 Service Manual

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INFINITI FX35 2007 Service Manual ON BOARD REFUELING VAPOR RECOVERY (ORVR) EC-49
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Revision: 2006 July 2007 FX35/FX45
d. Apply vacuum pressure to hose end [−13.3 kPa ( −100 mmHg, −

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INFINITI FX35 2007 Service Manual EC-50
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POSITIVE CRANKCASE VENTILATION
Revision: 2006 July 2007 FX35/FX45
POSITIVE CRANKCASE VENTILATIONPFP:11810
DescriptionNBS003LH
SYSTEM DESCRIPTION
This system returns blow-by gas to the i

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INFINITI FX35 2007 Service Manual POSITIVE CRANKCASE VENTILATION EC-51
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Revision: 2006 July 2007 FX35/FX45
PCV VALVE VENTILATION HOSE
1. Check hoses and hose connections for leaks.
2. D

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INFINITI FX35 2007 Service Manual EC-52
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IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-NATS)
Revision: 2006 July 2007 FX35/FX45
IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-NATS)PFP:28591
DescriptionNBS003LJ
If the security indicato

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INFINITI FX35 2007 Service Manual ON BOARD DIAGNOSTIC (OBD) SYSTEM EC-53
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Revision: 2006 July 2007 FX35/FX45
ON BOARD DIAGNOSTIC (OBD) SYSTEMPFP:00028
IntroductionNBS003LK
The ECM has an

ON BOARD DIAGNOSTIC (OBD) SYSTEM EC-53
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ON BOARD DIAGNOSTIC (OBD) SYSTEMPFP:00028
IntroductionNBS003LK
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-95,
"Fail-Safe Chart" .)
Two Trip Detection LogicNBS003LL
When a malfunction is detected for the 1st 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 DTC Freeze
Frame data 1st trip Freeze
Frame data SRT code SRT status Test value
CONSULT-II ×× × × × × —
GST ×× × —×××
ECM ××*— — — ×—
Items MIL DTC 1st trip DTC
1st trip 2nd trip 1st trip
displaying 2nd trip
displaying 1st trip
displaying 2nd trip
display- ing
Blinking Lighting
up Blinking
Lighting
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-54, "
EMISSION-
RELATED DIAGNOSTIC INFOR-
MATION ITEMS" .) —
×—— ×———
Except above — — — ×— ×× —

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INFINITI FX35 2007 Service Manual EC-54
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ON BOARD DIAGNOSTIC (OBD) SYSTEM
Revision: 2006 July 2007 FX35/FX45
Therefore, when electrical controlled throttle and part of ECM related diagnoses are continuously detected as
NG for

EC-54
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ON BOARD DIAGNOSTIC (OBD) SYSTEM
Revision: 2006 July 2007 FX35/FX45
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 InformationNBS003LM
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 code
Test value/
Test limit
(GST only) Trip MIL
Reference
page
CONSULT-II
GST*
2ECM*3
CAN COMM CIRCUIT U1000 1000*5—— 1 ×EC-155
CAN COMM CIRCUIT U1001
1001*5—— 2
(Models
with ASCD) — EC-1551 or 2
(Models
with ICC)
CONTROL UNIT(CAN) U1010 1010 — — 1 ×EC-158
NO DTC IS DETECTED.
FURTHER TESTING
MAY BE REQUIRED. P0000 0000
———
Flashing*8EC-62
INT/V TIM CONT-B1 P0011 0011 — — 2 ×EC-160
INT/V TIM CONT-B2 P0021 0021 — — 2 ×EC-160
A/F SEN1 HTR (B1) P0031 0031 — ×2 ×EC-164
A/F SEN1 HTR (B1) P0032 0032 — ×2 ×EC-164
HO2S2 HTR (B1) P0037 0037 — ×2 ×EC-172
HO2S2 HTR (B1) P0038 0038 — ×2 ×EC-172
A/F SEN1 HTR (B2) P0051 0051 — ×2 ×EC-164
A/F SEN1 HTR (B2) P0052 0052 — ×2 ×EC-164
HO2S2 HTR (B2) P0057 0057 — ×2 ×EC-172
HO2S2 HTR (B2) P0058 0058 — ×2 ×EC-172
INT/V TIM V/CIR-B1 P0075 0075 — — 2 ×EC-180
INT/V TIM V/CIR-B2 P0081 0081 — — 2 ×EC-180
MAF SEN/CIRCUIT P0101 0101 — — 2 ×EC-187
MAF SEN/CIRCUIT P0102 0102 — — 1 ×EC-196
MAF SEN/CIRCUIT P0103 0103 — — 1 ×EC-196
IAT SEN/CIRCUIT P0112 0112 — — 2 ×EC-204
IAT SEN/CIRCUIT P0113 0113 — — 2 ×EC-204
ECT SEN/CIRC P0117 0117 — — 1 ×EC-209
ECT SEN/CIRC P0118 0118 — — 1 ×EC-209
TP SEN 2/CIRC P0122 0122 — — 1 ×EC-214
TP SEN 2/CIRC P0123 0123 — — 1 ×EC-214
ECT SENSOR P0125 0125 — — 2 ×EC-221
IAT SENSOR P0127 0127 — — 2 ×EC-224
THERMSTAT FNCTN P0128 0128 — — 2 ×EC-227
A/F SENSOR1 (B1) P0130 0130 — ×2 ×EC-229

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INFINITI FX35 2007 Service Manual ON BOARD DIAGNOSTIC (OBD) SYSTEM EC-55
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Revision: 2006 July 2007 FX35/FX45A/F SENSOR1 (B1) P0131 0131 —×2 ×EC-239
A/F SENSOR1 (B1) P0132 0132 — ×

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Revision: 2006 July 2007 FX35/FX45A/F SENSOR1 (B1) P0131 0131 —×2 ×EC-239
A/F SENSOR1 (B1) P0132 0132 — ×2 ×EC-248
A/F SENSOR1 (B1) P0133 0133 ××2×EC-257
HO2S2 (B1) P0137 0137 ××2×EC-269
HO2S2 (B1) P0138 0138 ××2×EC-280
HO2S2 (B1) P0139 0139 ××2×EC-293
A/F SENSOR1 (B2) P0150 0150 — ×2 ×EC-229
A/F SENSOR1 (B2) P0151 0151 — ×2 ×EC-239
A/F SENSOR1 (B2) P0152 0152 — ×2 ×EC-248
A/F SENSOR1 (B2) P0153 0153 ××2×EC-257
HO2S2 (B2) P0157 0157 ××2×EC-269
HO2S2 (B2) P0158 0158 ××2×EC-280
HO2S2 (B2) P0159 0159 ××2×EC-293
FUEL SYS-LEAN-B1 P0171 0171 — — 2 ×EC-304
FUEL SYS-RICH-B1 P0172 0172 — — 2 ×EC-316
FUEL SYS-LEAN-B2 P0174 0174 — — 2 ×EC-304
FUEL SYS-RICH-B2 P0175 0175 — — 2 ×EC-316
FTT SENSOR P0181 0181 — — 2 ×EC-327
FTT SEN/CIRCUIT P0182 0182 — — 2 ×EC-333
FTT SEN/CIRCUIT P0183 0183 — — 2 ×EC-333
TP SEN 1/CIRC P0222 0222 — — 1 ×EC-338
TP SEN 1/CIRC P0223 0223 — — 1 ×EC-338
MULTI CYL MISFIRE P0300 0300 — — 2 ×EC-345
CYL 1 MISFIRE P0301 0301 — — 2 ×EC-345
CYL 2 MISFIRE P0302 0302 — — 2 ×EC-345
CYL 3 MISFIRE P0303 0303 — — 2 ×EC-345
CYL 4 MISFIRE P0304 0304 — — 2 ×EC-345
CYL 5 MISFIRE P0305 0305 — — 2 ×EC-345
CYL 6 MISFIRE P0306 0306 — — 2 ×EC-345
KNOCK SEN/CIRC-B1 P0327 0327 — — 2 — EC-355
KNOCK SEN/CIRC-B1 P0328 0328 — — 2 —EC-355
CKP SEN/CIRCUIT P0335 0335 — — 2×EC-360
CMP SEN/CIRC-B1 P0340 0340 — — 2 ×EC-367
CMP SEN/CIRC-B2 P0345 0345 — — 2 ×EC-367
TW CATALYST SYS-B1 P0420 0420 ××2×EC-376
TW CATALYST SYS-B2 P0430 0430 ××2×EC-376
EVAP PURG FLOW/MON P0441 0441 ××2×EC-382
EVAP SMALL LEAK P0442 0442 ××2×EC-387
PURG VOLUME CONT/V P0443 0443 — — 2 ×EC-396
PURG VOLUME CONT/V P0444 0444 — — 2 ×EC-404
PURG VOLUME CONT/V P0445 0445 — — 2 ×EC-404
VENT CONTROL VALVE P0447 0447 — — 2 ×EC-411
Items
(CONSULT-II screen terms) DTC*
1
SRT code
Test value/
Te s t l i m i t
(GST only) Trip MIL
Reference
page
CONSULT-II
GST*
2ECM*3

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INFINITI FX35 2007 Service Manual EC-56
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ON BOARD DIAGNOSTIC (OBD) SYSTEM
Revision: 2006 July 2007 FX35/FX45
VENT CONTROL VALVE P0448 0448 — — 2 ×EC-418
EVAP SYS PRES SEN P0451 0451 — — 2 ×EC-424
EVAP SYS PRES SEN P0

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