Infiniti QX4 (R50). Manual — part 151
Items
(CONSULT-II screen terms)
DTC*1
SRT code
Test value/ Test
limit
(GST only)
1st trip DTC*1
Reference page
KNOCK SEN/CIRC-B1
P0325
—
—
—
CPS/CIRCUIT (POS)
P0335
—
—
X
CAM PS/CIRC (PHS)
P0340
—
—
X
TW CATALYST SYS-B1
P0420
X
X
X*2
TW CATALYST SYS-B2
P0430
X
X
X*2
EVAP SMALL LEAK
P0440
X
X
X*2
PURG VOLUME CONT/V
P0443
—
—
X
VENT CONTROL VALVE
P0446
—
—
X
EVAP SYS PRES SEN
P0450
—
—
X
EVAP GROSS LEAK
P0455
X
X
X*2
FUEL LV SE (SLOSH)
P0460
—
—
X
FUEL LEVEL SENSOR
P0461
—
—
X
FUEL LEVEL SEN/CIRC
P0464
—
—
X
VEH SPEED SEN/CIRC
P0500
—
—
X
IACV/AAC VLV/CIRC
P0505
—
—
X
CLOSED TP SW/CIRC
P0510
—
—
X
A/T COMM LINE
P0600
—
—
—
ECM
P0605
—
—
X
PNP SW/CIRC
P0705
—
—
X
ATF TEMP SEN/CIRC
P0710
—
—
X
VEH SPD SEN/CIR AT
P0720
—
—
X
ENGINE SPEED SIG
P0725
—
—
X
A/T 1ST GR FNCTN
P0731
—
—
X
A/T 2ND GR FNCTN
P0732
—
—
X
A/T 3RD GR FNCTN
P0733
—
—
X
A/T 4TH GR FNCTN
P0734
—
—
X
TCC SOLENOID/CIRC
P0740
—
—
X
A/T TCC S/V FNCTN
P0744
—
—
X
L/PRESS SOL/CIRC
P0745
—
—
X
SFT SOL A/CIRC
P0750
—
—
X
SFT SOL B/CIRC
P0755
—
—
X
INT/V TIM CONT-B1
P1110
—
—
X
INT/V TIM V/CIR-B1
P1111
—
—
X
SWIRL CONT SOL/V
P1130
—
—
X
INT/V TIM CONT-B2
P1135
—
—
X
INT/V TIM V/CIR-B2
P1136
—
—
X
INTK TIM S/CIRC-B1
P1140
—
—
X
GI
MA
EM
LC
FE
AT
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
Emission-related Diagnostic Information (Cont’d)
EC-71
Items
(CONSULT-II screen terms)
DTC*1
SRT code
Test value/ Test
limit
(GST only)
1st trip DTC*1
Reference page
INTK TIM S/CIRC-B2
P1145
—
—
X
CLOSED LOOP-B1
P1148
—
—
X
SWL CON VC SW/CIRC
P1165
—
—
X
CLOSED LOOP-B2
P1168
—
—
X
ENG OVER TEMP
P1217
—
—
X
IGN SIGNAL-PRIMARY
P1320
—
—
X
CPS/CIRCUIT (REF)
P1335
—
—
X
CPS/CIRC (POS) COG
P1336
—
—
X
EVAP VERY SMALL LEAK
P1441
X
X
X*2
PURG VOLUME CONT/V
P1444
—
—
X
VENT CONTROL VALVE
P1446
—
—
X
EVAP PURG FLOW/MON
P1447
X
X
X*2
VENT CONTROL VALVE
P1448
—
—
X
FUEL LEVEL SEN/CIRC
P1464
—
—
X
VC/V BYPASS/V
P1490
—
—
X
VC CUT/V BYPASS/V
P1491
—
—
X
A/T DIAG COMM LINE
P1605
—
—
X
TP SEN/CIRC A/T
P1705
—
—
X
P-N POS SW/CIRCUIT
P1706
—
—
X
O/R CLTCH SOL/CIRC
P1760
—
—
X
*1: 1st trip DTC No. is the same as DTC No.
*2: These are not displayed with GST.
NOTE:
Regarding R50 models, “-B1” and “BK1” indicate right bank and “-B2” and “BK2” indicate left bank.
HOW TO ERASE EMISSION-RELATED DIAGNOSTIC INFORMATION
NBEC0031S06
How to Erase DTC (
With CONSULT-II)
NBEC0031S0601
NOTE:
If the DTC is not for A/T related items (see EC-8), skip steps 2 through 4.
1. If the ignition switch stays “ON” after repair work, be sure to turn ignition switch “OFF” once. Wait at least
10 seconds and then turn it “ON” (engine stopped) again.
2. Turn CONSULT-II “ON” and touch “A/T”.
3. Touch “SELF-DIAG RESULTS”.
4. Touch “ERASE”. [The DTC in the TCM (Transmission control module) will be erased.] Then touch “BACK”
twice.
5. Touch “ENGINE”.
6. Touch “SELF-DIAG RESULTS”.
7. Touch “ERASE”. (The DTC in the ECM will be erased.)
I
If DTCs are displayed for both ECM and TCM (Transmission control module), they need to be erased
individually from the ECM and TCM (Transmission control module).
ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
Emission-related Diagnostic Information (Cont’d)
EC-72
SEF823YA
The emission related diagnostic information in the ECM can be erased by selecting “ERASE” in the “SELF-
DIAG RESULTS” mode with CONSULT-II.
How to Erase DTC (
With GST)
NBEC0031S0602
NOTE:
If the DTC is not for A/T related items (see EC-8), skip step 2.
1. If the ignition switch stays “ON” after repair work, be sure to turn ignition switch “OFF” once. Wait at least
10 seconds and then turn it “ON” (engine stopped) again.
2. Perform “SELF-DIAGNOSTIC PROCEDURE (Without CONSULT-II)” in AT section titled “TROUBLE
DIAGNOSIS”, “Self-diagnosis”. (The engine warm-up step can be skipped when performing the diagnosis
only to erase the DTC.)
3. Select Mode 4 with GST (Generic Scan Tool).
The emission related diagnostic information in the ECM can be erased by selecting Mode 4 with GST.
I
If the battery is disconnected, the emission-related diagnostic information will be lost after approx.
24 hours.
I
The following data are cleared when the ECM memory is erased.
1) Diagnostic trouble codes
2) 1st trip diagnostic trouble codes
3) Freeze frame data
4) 1st trip freeze frame data
5) System readiness test (SRT) codes
6) Test values
7) Others
GI
MA
EM
LC
FE
AT
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
Emission-related Diagnostic Information (Cont’d)
EC-73
Actual work procedures are explained using a DTC as an example. Be careful so that not only the DTC, but
all of the data listed above, are cleared from the ECM memory during work procedures.
IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM — NATS)
NBEC0031S08
SEF515Y
I
If the security indicator lights up with the ignition switch in the “ON” position or “NATS MALFUNC-
TION” is displayed on “SELF-DIAG RESULTS” screen, perform self-diagnostic results mode with
CONSULT-II using NATS program card. Refer to “IVIS (Infiniti Vehicle Immobilizer System — NATS)”
in EL section.
I
Confirm no self-diagnostic results of IVIS (NATS) is displayed before touching “ERASE” in “SELF-
DIAG RESULTS” mode with CONSULT-II.
I
When replacing ECM, initialization of IVIS (NATS) system and registration of all IVIS (NATS) igni-
tion key IDs must be carried out with CONSULT-II using NATS program card.
Therefore, be sure to receive all keys from vehicle owner. Regarding the procedures of IVIS (NATS)
initialization and IVIS (NATS) ignition key ID registration, refer to CONSULT-II operation manual,
IVIS/NVIS.
Malfunction Indicator Lamp (MIL)
DESCRIPTION
NBEC0032
SEF217U
The MIL is located on the instrument panel.
1. The MIL will light up when the ignition switch is turned ON without the engine running. This is a bulb check.
I
If the MIL does not light up, refer to EL-114, “WARNING LAMPS” or see EC-648.
2. When the engine is started, the MIL should go off.
If the MIL remains on, the on board diagnostic system has detected an engine system malfunction.
On Board Diagnostic System Function
NBEC0032S01
The on board diagnostic system has the following two functions.
ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
Emission-related Diagnostic Information (Cont’d)
EC-74
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