Infiniti G20 (P11). Manual — part 169
EXPLANATION FOR DRIVING PATTERNS EXCEPT FOR “MISFIRE <EXHAUST QUALITY
DETERIORATION>”, “FUEL INJECTION SYSTEM”
NCEC0033S06
Driving Pattern A
NCEC0033S0601
AEC574
I
The A counter will be cleared when the malfunction is detected regardless of (1) - (4).
I
The A counter will be counted up when (1) - (4) are satisfied without the same malfunction.
I
The DTC will not be displayed after the A counter reaches 40.
Driving Pattern B
NCEC0033S0602
Driving pattern B means the vehicle operation as follows:
All components and systems should be monitored at least once by the OBD system.
I
The B counter will be cleared when the malfunction is detected once regardless of the driving pattern.
I
The B counter will be counted up when driving pattern B is satisfied without any malfunctions.
I
The MIL will go off when the B counter reaches 3 (*2 in “OBD SYSTEM OPERATION CHART”).
GI
MA
EM
LC
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
OBD System Operation Chart (Cont’d)
EC-87
SAT845J
CONSULT-II
=NCEC0504
CONSULT-II INSPECTION PROCEDURE
NCEC0504S01
1.
Turn ignition switch OFF.
2.
Connect CONSULT-II to data link connector, which is located
under LH dash panel near the fuse box cover.
PBR455D
3.
Turn ignition switch ON.
4.
Touch “START”.
SEF995X
5.
Touch “ENGINE”.
SEF949Y
6.
Perform each diagnostic test mode according to each service
procedure.
For further information, see the CONSULT-II Operation
Manual.
ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
CONSULT-II
EC-88
ENGINE CONTROL COMPONENT PARTS/CONTROL
SYSTEMS APPLICATION
NCEC0504S02
Item
DIAGNOSTIC TEST MODE
WORK
SUP-
PORT
SELF-DIAGNOSTIC
RESULTS
DATA
MONI-
TOR
DATA
MONI-
TOR
(SPEC)
ACTIVE
TEST
DTC & SRT
CONFIRMATION
DTC*1
FREEZE
FRAME
DATA*2
SRT
STATUS
DTC
WORK
SUP-
PORT
ENGINE
CONTROL
COMPONENT
P
ARTS
INPUT
Camshaft position sensor
X
X
X
X
Crankshaft position sensor
(OBD)
X
Mass air flow sensor
X
X
X
Engine coolant temperature sen-
sor
X
X
X
X
X
Heated oxygen sensor 1 (front)
X
X
X
X
X
Heated oxygen sensor 2 (rear)
X
X
X
X
X
Vehicle speed sensor
X
X
X
X
Throttle position sensor
X
X
X
X
Fuel tank temperature sensor
X
X
X
X
EVAP control system pressure
sensor
X
X
X
Absolute pressure sensor (Built
into ECM)
X
X
X
EGR temperature sensor
X
X
X
Intake air temperature sensor
X
X
X
X
Knock sensor
X
Ignition switch (start signal)
X
X
Closed throttle position switch
X
X
X
Closed throttle position switch
(throttle position sensor signal)
X
X
Air conditioner switch
X
X
Park/neutral position (PNP)
switch
X
X
X
Power steering oil pressure
switch
X
X
Battery voltage
X
X
Load signal
X
X
Fuel level sensor
X
X
X
GI
MA
EM
LC
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
CONSULT-II (Cont’d)
EC-89
Item
DIAGNOSTIC TEST MODE
WORK
SUP-
PORT
SELF-DIAGNOSTIC
RESULTS
DATA
MONI-
TOR
DATA
MONI-
TOR
(SPEC)
ACTIVE
TEST
DTC & SRT
CONFIRMATION
DTC*1
FREEZE
FRAME
DATA*2
SRT
STATUS
DTC
WORK
SUP-
PORT
ENGINE
CONTROL
COMPONENT
P
ARTS
OUTPUT
Injectors
X
X
X
Power transistor (Ignition timing)
X
X
X
X
IACV-AAC valve
X
X
X
X
EVAP canister purge volume
control solenoid valve
X
X
X
X
X
Air conditioner relay
X
X
Fuel pump relay
X
X
X
X
Cooling fan
X
X
X
X
EGR volume control valve
X
X
X
X
Heated oxygen sensor 1 heater
(front)
X
X
X
X
Heated oxygen sensor 2 heater
(rear)
X
X
X
X
EVAP canister vent control valve
X
X
X
X
Vacuum cut valve bypass valve
X
X
X
X
X
Calculated load value
X
X
X
X: Applicable
*1: This item includes 1st trip DTCs.
*2: This mode includes 1st trip freeze frame data or freeze frame data. The items appear on CONSULT-II screen in freeze frame data
mode only if a 1st trip DTC or DTC is detected. For details, refer to EC-68.
ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
CONSULT-II (Cont’d)
EC-90
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