Infiniti G35 (V35) Sedan. Manual — part 488
EC-98
< FUNCTION DIAGNOSIS >
[VQ35HR]
INTAKE VALVE TIMING CONTROL
: Vehicle front
1.
Engine coolant temperature sensor
2.
A/F sensor 1 (bank 1)
3.
Crankshaft position sensor (POS)
1.
IPDM E/R
2.
Battery current sensor
3.
Refrigerant pressure sensor
: Vehicle front
1.
Power steering pressure sensor
2.
Alternator
3.
Engine oil temperature sensor
: Vehicle front
JMBIA0011ZZ
JMBIA0013ZZ
JMBIA0014ZZ
JMBIA0012ZZ
INTAKE VALVE TIMING CONTROL
EC-99
< FUNCTION DIAGNOSIS >
[VQ35HR]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
1.
EVAP service port
2.
EVAP canister purge volume control
solenoid valve
3.
EVAP canister
4.
EVAP canister vent control valve
5.
EVAP control system pressure sen-
sor
: Vehicle front
1.
Fuel level sensor unit and fuel pump
harness connector
2.
Fuel level sensor unit and fuel pump 3.
Fuel pressure regulator
4.
Fuel tank temperature sensor
1.
Accelerator pedal position sensor
2.
ECM
1.
ICC steering switch
2.
CANCEL switch
3.
RESUME/ACCELERATE switch
4.
SET/COAST switch
5.
DISTANCE switch
6.
MAIN switch
JMBIA0019ZZ
JMBIA0015ZZ
JMBIA0016ZZ
EC-100
< FUNCTION DIAGNOSIS >
[VQ35HR]
INTAKE VALVE TIMING CONTROL
Component Description
INFOID:0000000000956514
1.
ASCD steering switch
2.
CANCEL switch
3.
RESUME/ACCELERATE switch
4.
SET/COAST switch
5.
MAIN switch
1.
Stop lamp switch
2.
ASCD brake switch (ASCD models)
ICC brake switch (ICC models)
3.
Brake pedal
4.
ASCD clutch switch (ASCD models)
ICC clutch switch (ICC models)
5.
Clutch pedal
JMBIA0017ZZ
JMBIA0051ZZ
Component
Reference
Camshaft position sensor (PHASE)
Crankshaft position sensor (POS)
Engine coolant temperature sensor
Intake valve timing control solenoid valve
Vehicle speed sensor
ON BOARD DIAGNOSTIC (OBD) SYSTEM
EC-101
< FUNCTION DIAGNOSIS >
[VQ35HR]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
ON BOARD DIAGNOSTIC (OBD) SYSTEM
Diagnosis Description
INFOID:0000000000956515
INTRODUCTION
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
TWO TRIP DETECTION LOGIC
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
DTC AND FREEZE FRAME DATA
DTC and 1st Trip DTC
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-III
×
×
×
×
×
×
—
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 catalyst
damage) — DTC: P0300 - P0306 is
being detected
×
—
—
—
—
—
×
—
Misfire (Possible three way catalyst
damage) — DTC: P0300 - P0306 is
being detected
—
—
×
—
—
×
—
—
One trip detection diagnoses (Re-
fer to
.)
—
×
—
—
×
—
—
—
Except above
—
—
—
×
—
×
×
—
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