2005 INFINITI FX35 Service Manual

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Page 1441 of 4731

INFINITI FX35 2005 Service Manual EC-48
[VQ35DE]
ON BOARD REFUELING VAPOR RECOVERY (ORVR)
Revision: 2005 July 2005 FX
SYMPTOM: CANNOT REFUEL/FUEL ODOR FROM THE FUEL FILLER OPENING IS STRONG
WHILE REFUELING.
1. CHECK EVAP CANISTER
1

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INFINITI FX35 2005 Service Manual ON BOARD REFUELING VAPOR RECOVERY (ORVR) EC-49
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Revision: 2005 July 2005 FX
7. CHECK REFUELING EVAP VAPOR CUT VALVE
Refer to EC-49, "
Component Inspe

Page 1443 of 4731

INFINITI FX35 2005 Service Manual EC-50
[VQ35DE]
ON BOARD REFUELING VAPOR RECOVERY (ORVR)
Revision: 2005 July 2005 FX
d. Apply vacuum pressure to hose end [−13.3 kPa ( −100 mmHg, −3.94 inHg)] with fuel gauge retainer
remaining

Page 1444 of 4731

INFINITI FX35 2005 Service Manual POSITIVE CRANKCASE VENTILATION EC-51
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Revision: 2005 July 2005 FX
POSITIVE CRANKCASE VENTILATIONPFP:11810
DescriptionABS006ZE
SYSTEM DESCRIPTION
This sy

Page 1445 of 4731

INFINITI FX35 2005 Service Manual EC-52
[VQ35DE]
POSITIVE CRANKCASE VENTILATION
Revision: 2005 July 2005 FX
PCV VALVE VENTILATION HOSE
1. Check hoses and hose connections for leaks.
2. Disconnect all hoses and clean with compressed a

Page 1446 of 4731

INFINITI FX35 2005 Service Manual IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-NATS) EC-53
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Revision: 2005 July 2005 FX
IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-NATS)PFP:28591
DescriptionA

Page 1447 of 4731

INFINITI FX35 2005 Service Manual EC-54
[VQ35DE]
ON BOARD DIAGNOSTIC (OBD) SYSTEM
Revision: 2005 July 2005 FX
ON BOARD DIAGNOSTIC (OBD) SYSTEMPFP:00028
IntroductionABS006KI
The ECM has an on board diagnostic system, which detects malf

EC-54
[VQ35DE]
ON BOARD DIAGNOSTIC (OBD) SYSTEM
Revision: 2005 July 2005 FX
ON BOARD DIAGNOSTIC (OBD) SYSTEMPFP:00028
IntroductionABS006KI
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-109
.)
Two Trip Detection LogicABS006KJ
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.
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.
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-15
.) —
×—— ×———
Except above — — — ×— ×× —

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INFINITI FX35 2005 Service Manual ON BOARD DIAGNOSTIC (OBD) SYSTEM EC-55
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The fail-safe function also operates when above diagnoses except MIL circuit are det

ON BOARD DIAGNOSTIC (OBD) SYSTEM EC-55
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Revision: 2005 July 2005 FX
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 InformationABS006KK
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
Reference
page
CONSULT-II
GST*
2ECM*3
CAN COMM CIRCUIT U1000 1000*5—— 1 ×EC-171
CAN COMM CIRCUIT U1001
1001*5—— 2 — EC-171
NO DTC IS DETECTED.
FURTHER TESTING
MAY BE REQUIRED. P0000 0000
———
Flashing*9—
INT/V TIM CONT-B1 P0011 0011 — — 2 ×EC-174
INT/V TIM CONT-B2 P0021 0021 — — 2 ×EC-174
HO2S2 HTR (B1) P0037 0037 ××2×EC-178
HO2S2 HTR (B1) P0038 0038 ××2×EC-178
HO2S2 HTR (B2) P0057 0057 ××2×EC-178
HO2S2 HTR (B2) P0058 0058 ××2×EC-178
MAF SEN/CIRCUIT P0101 0101 — — 2 ×EC-186
MAF SEN/CIRCUIT P0102 0102 — — 1 ×EC-195
MAF SEN/CIRCUIT P0103 0103 — — 1 ×EC-195
IAT SEN/CIRCUIT P0112 0112 — — 2 ×EC-203
IAT SEN/CIRCUIT P0113 0113 — — 2 ×EC-203
ECT SEN/CIRCUIT P0117 0117 — — 1 ×EC-208
ECT SEN/CIRCUIT P0118 0118 — — 1 ×EC-208
TP SEN 2/CIRC P0122 0122 — — 1 ×EC-213
TP SEN 2/CIRC P0123 0123 — — 1 ×EC-213
ECT SENSOR P0125 0125 — — 1 ×EC-220
IAT SENSOR P0127 0127 — — 2 ×EC-223
THERMSTAT FNCTN P0128 0128 — — 2 ×EC-226
HO2S2 (B1) P0138 0138 — ×2 ×EC-228
HO2S2 (B1) P0139 0139 ××2×EC-237
HO2S2 (B2) P0158 0158 — ×2 ×EC-228
HO2S2 (B2) P0159 0159 ××2×EC-237
FUEL SYS-LEAN-B1 P0171 0171 — — 2 ×EC-248
FUEL SYS-RICH-B1 P0172 0172 — — 2 ×EC-258
FUEL SYS-LEAN-B2 P0174 0174 — — 2 ×EC-248
FUEL SYS-RICH-B2 P0175 0175 — — 2 ×EC-258
FTT SENSOR P0181 0181 — — 2 ×EC-267
FTT SEN/CIRCUIT P0182 0182 — — 2 ×EC-273
FTT SEN/CIRCUIT P0183 0183 — — 2 ×EC-273
TP SEN 1/CIRC P0222 0222 — — 1 ×EC-278
TP SEN 1/CIRC P0223 0223 — — 1 ×EC-278
MULTI CYL MISFIRE P0300 0300 — — 2 ×EC-285

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