2009 INFINITI QX56 display

ECM
EC-469
< ECU DIAGNOSIS > [VK56DE]
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HO2S 05H
Air fuel ratio (A/F) sensor 1
(Bank 2) P0151 83H 0BH
Minimum sensor output voltage for test
cycle
P0151 84H 0BH Maximum sensor output voltage for test
cycle
P0150 85H 0BH Minimum sensor output voltage for test
cycle
P0150 86H 0BH Maximum sensor output voltage for test
cycle
P0153 87H 04H Response rate: Response ratio (Lean to
Rich)
P0153 88H 04H Response rate: Response ratio (Rich to
Lean)
P2A03 89H 84H The amount of shift in air fuel ratio
P2A03 8AH 84H The amount of shift in air fuel ratio P0150 8BH 0BH Difference in sensor output voltage
P0153 8CH 83H Response gain at the limited frequency
06H Heated oxygen sensor 2
(Bank 2) P0158 07H 0CH
Minimum sensor output voltage for test
cycle
P0157 08H 0CH Maximum sensor output voltage for test
cycle
P0158 80H 0CH Sensor output voltage
P0159 81H 0CH Difference in sensor output voltage
07H Heated oxygen sensor 3
(Bank2) P0163 07H 0CH
Minimum sensor output voltage for test
cycle
P0164 08H 0CH Maximum sensor output voltage for test
cycle
P0166 80H 0CH Sensor output voltage
P0165 81H 0CH Difference in sensor output voltage
CATA-
LY S T 21H
Three way catalyst function
(Bank1) P0420 80H 01H O2 storage index
P0420 82H 01H
Switching time lag engine exhaust index
value
P2423 83H 0CH Difference in 3rd O2 sensor output volt-
age
P2423 84H 84H O2 storage index in HC trap catalyst
22H Three way catalyst function
(Bank2) P0430 80H 01H O2 storage index
P0430 82H 01H
Switching time lag engine exhaust index
value
P2424 83H 0CH Difference in 3rd O2 sensor output volt-
age
P2424 84H 84H O2 storage index in HC trap catalyst
Item
OBD-
MID Self-diagnostic test item DTC Test value and Test
limit
(GST display) Description
TID Unit and
Scaling ID
Revision: December 20092009 QX56

EC-470
< ECU DIAGNOSIS >[VK56DE]
ECM
EGR
SYSTEM31H EGR function P0400 80H 96H
Low Flow Faults: EGR temp change
rate (short term)
P0400 81H 96H Low Flow Faults: EGR temp change
rate (long term)
P0400 82H 96H Low Flow Faults: Difference between
max EGR temp and EGR temp under
idling condition
P0400 83H 96H Low Flow Faults: Max EGR temp
P1402 84H 96H High Flow Faults: EGR temp increase
rate
VVT
SYSTEM 35H VVT Monitor (Bank1)
P0011 80H 9DH
VTC intake function diagnosis (VTC
alignment check diagnosis)
P0014 81H 9DH VTC exhaust function diagnosis (VTC
alignment check diagnosis)
P0011 82H 9DH VTC intake function diagnosis (VTC
drive failure diagnosis)
P0014 83H 9DH VTC exhaust function diagnosis (VTC
drive failure diagnosis)
36H VVT Monitor (Bank2) P0021 80H 9DH
VTC intake function diagnosis (VTC
alignment check diagnosis)
P0024 81H 9DH VTC exhaust function diagnosis (VTC
alignment check diagnosis)
P0021 82H 9DH VTC intake function diagnosis (VTC
drive failure diagnosis)
P0024 83H 9DH VTC exhaust function diagnosis (VTC
drive failure diagnosis)
EVAP
SYSTEM 39H
EVAP control system leak
(Cap Off) P0455 80H 0CH
Difference in pressure sensor output
voltage before and after pull down
3BH EVAP control system leak
(Small leak) P0442 80H 05H
Leak area index (for more than 0.04
inch)
3CH EVAP control system leak
(Very small leak) P0456 80H 05H
Leak area index (for more than 0.02
inch)
P0456 81H FDH Maximum internal pressure of EVAP
system during monitoring
3DH Purge flow system P0441 83H 0CH Difference in pressure sensor output
voltage before and after vent control
valve close
O2 SEN-
SOR
HEATER 41H
A/F sensor 1 heater
(Bank 1) Low Input:P0031
High Input:P0032 81H 0BHConverted value of Heater electric cur-
rent to voltage
42H Heated oxygen sensor 2 heat-
er (Bank 1) Low Input:P0037
High Input:P0038 80H 0CH
Converted value of Heater electric cur-
rent to voltage
43H Heated oxygen sensor 3 heat-
er (Bank 1) P0043 80H 0CHConverted value of Heater electric cur-
rent to voltage
45H A/F sensor 1 heater
(Bank 2) Low Input:P0051
High Input:P0052
81H 0BHConverted value of Heater electric cur-
rent to voltage
46H Heated oxygen sensor 2 heat-
er (Bank 2) Low Input:P0057
High Input:P0058 80H 0CH
Converted value of Heater electric cur-
rent to voltage
47H Heated oxygen sensor 3 heat-
er (Bank 2) P0063 80H 0CHConverted value of Heater electric cur-
rent to voltage
Item
OBD-
MID Self-diagnostic test item DTC Test value and Test
limit
(GST display) Description
TID Unit and
Scaling ID
Revision: December 20092009 QX56

ECM
EC-471
< ECU DIAGNOSIS > [VK56DE]
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SEC-
OND-
ARY AIR
71H Secondary Air system P0411 80H 01H
Secondary Air Injection System Incor-
rect Flow Detected
Bank1: P0491
Bank2: P0492 81H 01H
Secondary Air Injection System Insuffi-
cient Flow
P2445 82H 01H Secondary Air Injection System Pump
Stu c k O ff
P2448 83H 01H Secondary Air Injection System High
Airflow
Bank1: P2440
Bank2: P2442 84H 01H
Secondary Air Injection System Switch-
ing Valve Stuck Open
P2440 85H 01H Secondary Air Injection System Switch-
ing Valve Stuck Open
P2444 86H 01H Secondary Air Injection System Pump
Stu c k O n
FUEL
SYSTEM 81H
Fuel injection system function
(Bank 1) P0171 or P0172 80H 2FH Long term fuel trim
P0171 or P0172 81H 24H The number of lambda control clamped
82H Fuel injection system function
(Bank 2) P0174 or P0175 80H 2FH Long term fuel trim
P0174 or P0175 81H 24H The number of lambda control clamped
Item
OBD-
MID Self-diagnostic test item DTC Test value and Test
limit
(GST display) Description
TID Unit and
Scaling ID
Revision: December 20092009 QX56

EC-472
< ECU DIAGNOSIS >[VK56DE]
ECM
MISFIRE A1H Multiple Cylinder MisfiresP0301 80H 24H
Misfiring counter at 1000 revolution of
the first cylinder
P0302 81H 24H Misfiring counter at 1000 revolution of
the second cylinder
P0303 82H 24H Misfiring counter at 1000 revolution of
the third cylinder
P0304 83H 24H Misfiring counter at 1000 revolution of
the fourth cylinder
P0305 84H 24H Misfiring counter at 1000 revolution of
the fifth cylinder
P0306 85H 24H Misfiring counter at 1000 revolution of
the sixth cylinder
P0307 86H 24H Misfiring counter at 1000 revolution of
the seventh cylinder
P0308 87H 24H Misfiring counter at 1000 revolution of
the eighth cylinder
P0300 88H 24H Misfiring counter at 1000 revolution of
the multiple cylinders
P0301 89H 24H Misfiring counter at 200 revolution of the
first cylinder
P0302 8AH 24H Misfiring counter at 200 revolution of the
second cylinder
P0303 8BH 24H Misfiring counter at 200 revolution of the
third cylinder
P0304 8CH 24H Misfiring counter at 200 revolution of the
fourth cylinder
P0305 8DH 24H Misfiring counter at 200 revolution of the
fifth cylinder
P0306 8EH 24H Misfiring counter at 200 revolution of the
sixth cylinder
P0307 8FH 24H Misfiring counter at 200 revolution of the
seventh cylinder
P0308 90H 24H Misfiring counter at 200 revolution of the
eighth cylinder
P0300 91H 24H Misfiring counter at 1000 revolution of
the single cylinder
P0300 92H 24H Misfiring counter at 200 revolution of the
single cylinder
P0300 93H 24H Misfiring counter at 200 revolution of the
multiple cylinders
Item
OBD-
MID Self-diagnostic test item DTC Test value and Test
limit
(GST display) Description
TID Unit and
Scaling ID
Revision: December 20092009 QX56

ECM
EC-473
< ECU DIAGNOSIS > [VK56DE]
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HOW TO ERASE EMISSION-RELATED DIAGNOSTIC INFORMATION
How to Erase DTC
WITH CONSULT-III
The emission related diagnostic information in the ECM can be erased by selecting “All Erase” in the “Descrip-
tion” of “FINAL CHECK” mode with CONSULT-III.
WITH GST
The emission related diagnostic information in the ECM can be erased by selecting Service $04 with GST.
NOTE:
If the DTC is not for A/T related items (see EC-456, "DTC Index"
), skip step 2.
MISFIREA2H No.1 Cylinder Misfire
P0301 0BH 24H
EWMA (Exponential Weighted Moving
Average) misfire counts for last 10 driv-
ing cycles
P0301 0CH 24H Misfire counts for last/current driving cy-
cles
A3H No.2 Cylinder Misfire P0302 0BH 24H
EWMA (Exponential Weighted Moving
Average) misfire counts for last 10 driv-
ing cycles
P0302 0CH 24H Misfire counts for last/current driving cy-
cles
A4H No.3 Cylinder Misfire P0303 0BH 24H
EWMA (Exponential Weighted Moving
Average) misfire counts for last 10 driv-
ing cycles
P0303 0CH 24H Misfire counts for last/current driving cy-
cles
A5H No.4 Cylinder Misfire P0304 0BH 24H
EWMA (Exponential Weighted Moving
Average) misfire counts for last 10 driv-
ing cycles
P0304 0CH 24H Misfire counts for last/current driving cy-
cles
A6H No.5 Cylinder Misfire P0305 0BH 24H
EWMA (Exponential Weighted Moving
Average) misfire counts for last 10 driv-
ing cycles
P0305 0CH 24H Misfire counts for last/current driving cy-
cles
A7H No.6 Cylinder Misfire P0306 0BH 24H
EWMA (Exponential Weighted Moving
Average) misfire counts for last 10 driv-
ing cycles
P0306 0CH 24H Misfire counts for last/current driving cy-
cles
A8H No.7 Cylinder Misfire P0307 0BH 24H
EWMA (Exponential Weighted Moving
Average) misfire counts for last 10 driv-
ing cycles
P0307 0CH 24H Misfire counts for last/current driving cy-
cles
A9H No.8 Cylinder Misfire P0308 0BH 24H
EWMA (Exponential Weighted Moving
Average) misfire counts for last 10 driv-
ing cycles
P0308 0CH 24H Misfire counts for last/current driving cy-
cles
Item
OBD-
MID Self-diagnostic test item DTC Test value and Test
limit
(GST display) Description
TID Unit and
Scaling ID
Revision: December 20092009 QX56

EVAP LEAK CHECKEC-489
< ON-VEHICLE MAINTENANCE > [VK56DE]
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EVAP LEAK CHECK
How to Detect Fuel Vapor LeakageINFOID:0000000003771747
CAUTION:
 Never use compressed air
or a high pressure pump.
 Do not exceed 4.12 kPa (0.042 kg/cm
2, 0.6 psi) of pressure in EVAP system.
NOTE:
 Do not start engine.
 Improper installation of EVAP service port adapter to the EVAP service port may cause a leak.
WITH CONSULT-IIl
1. Attach the EVAP service port adapter securely to the EVAP service port.
2. Also attach the pressure pump and hose to the EVAP service port adapter.
3. Turn ignition switch ON.
4. Select the “EVAP SYSTEM CLOSE” of “WORK SUPPORT MODE” with CONSULT-IIl.
5. Touch “START”. A bar graph (Pressure indicating display) will appear on the screen.
6. Apply positive pressure to the EVAP system until t he pressure indicator reaches the middle of the bar
graph.
7. Remove EVAP service port adapter and hose with pressure pump.
8. Locate the leak using a leak detector. Refer to EC-37, "Descrip-
tion".
WITHOUT CONSULT-IIl
1. Attach the EVAP service port adapter securely to the EVAP ser-
vice port.
2. Also attach the pressure pump with pressure gauge to the EVAP service port adapter.
SEF200U
BBIA0366E
SEF462UA
Revision: December 20092009 QX56

DIAGNOSIS SYSTEM (BCM)EXL-23
< FUNCTION DIAGNOSIS >
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FLASHER
FLASHER : CONSULT-III Function (BCM - FLASHER)INFOID:0000000004215499
DATA MONITOR
ACTIVE TEST
COMB SW
COMB SW : CONSULT-III Fu nction (BCM - COMB SW)INFOID:0000000004215502
DATA MONITOR
FR FOG LAMP ON
Transmits the front fog lights request signal to IPDM E/R with CAN com-
munication to turn the front fog lamp ON.
OFF Stops the front fog lights request signal transmission.
DAYTIME RUNNING LIGHT ON
Transmits the day time running light request signal to IPDM E/R with
CAN communication to turn the each lamps ON.
OFF Stops the day time running light request signal transmission.
Test Item
Operation Description
Monitor Item
[Unit] Description
IGN ON SW [ON/OFF] Ignition switch (ON) status judged from IGN signal (ignition power supply)
HAZARD SW [ON/OFF] The switch status input from the hazard switch
TURN SIGNAL R [ON/OFF] Each switch condition that BCM judges from the combination switch reading function
TURN SIGNAL L [ON/OFF]
BRAKE SW [ON/OFF] The switch status input from the brake switch
Test Item Operation Description
FLASHER RH Outputs the voltage to turn the right side turn signal lamps ON.
LH Outputs the voltage to turn the left side turn signal lamps ON.
OFF Stops the voltage to turn the turn signal lamps OFF.
Monitor Item [Unit] Description
TURN SIGNAL R
[OFF/ON] Displays the status of the TURN RH switch in combination switch judged by BCM with the combination switch
reading function
TURN SIGNAL L
[OFF/ON] Displays the status
of the TURN LH switch in co mbination switch judged by BCM with the combination switch
reading function
HI BEAM SW
[OFF/ON] Displays the status of the HI BEAM sw
itch in combination switch judged by BCM with the combination switch
reading function
HEADLAMP SW1
[OFF/ON] Displays the status of the HEADLAMP switch in combination switch judged by BCM with the combination
switch reading function
HEADLAMP SW2
[OFF/ON] Displays the status of the HEADLAMP switch in combination switch judged by BCM with the combination
switch reading function
LIGHT SW 1ST
[OFF/ON] Displays the status of the HEADLAMP switch in combination switch judged by BCM with the combination
switch reading function
PA S S I N G S W
[OFF/ON] Displays the status of the PASSING sw
itch in combination switch judged by BCM with the combination switch
reading function
AUTO LIGHT SW
[OFF/ON] Displays the status of the AUTO LIGHT switch in combination switch judged by BCM with the combination
switch reading function
Revision: December 20092009 QX56

EXL-24
< FUNCTION DIAGNOSIS >
DIAGNOSIS SYSTEM (BCM)
FR FOG SW
[OFF/ON]Displays the status of the FR FOG switch in combination switch judged by BCM with the combination switch
reading function
FR WIPER HI
[OFF/ON] Displays the status of the FR WIPER HI switch in combination switch judged by BCM with the combination
switch reading function
FR WIPER LOW
[OFF/ON] Displays the status of the FR WIPER LOW switch in combination switch judged by BCM with the combination
switch reading function
FR WIPER INT
[OFF/ON] Displays the status of the FR WIPER INT switch in combination switch judged by BCM with the combination
switch reading function
FR WASHER SW
[OFF/ON] Displays the status of the FR WASHER switch in combination switch judged by BCM with the combination
switch reading function
INT VOLUME
[1 - 7] Displays the status of wiper intermittent dial position judged by BCM with the combination switch reading
function
RR WIPER ON
[OFF/ON] Displays the status of the RR WIPER switch in combination switch judged by BCM with the combination
switch reading function
RR WIPER INT
[OFF/ON] Displays the status of the RR WIPER INT switch in combination switch judged by BCM with the combination
switch reading function
RR WASHER SW
[OFF/ON] Displays the status of the RR WASHER switch in combination switch judged by BCM with the combination
switch reading function
Monitor Item
[Unit] Description
Revision: December 20092009 QX56