2006 INFINITI QX56 Factory Service Manual

headlight aiming low oil pressure key fob dimensions fuse box location window

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INFINITI QX56 2006 Factory Service Manual ACS-28
[ICC]
TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
Revision: November 20092006 QX56
SELF-DIAGNOSTIC RESULTS
For details, refer to ACS-36, "Diagnostic Trouble Code (DTC) Chart" .
DATA MONITOR
Opera

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BRAKE SW
[ON/OFF]××× Indicates [ON/OFF] status as judged from
ICC brake switch si

TROUBLE DIAGNOSIS — GENERAL DESCRIPTIONACS-29
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BRAKE SW
[ON/OFF]××× Indicates [ON/OFF] status as judged from
ICC brake switch signal.
STOP LAMP SW
[ON/OFF] ×××
Indicates [ON/OFF] status as judged from
stop lamp switch signal.
RELEASE SW NO
[ON/OFF] ××Indicates [ON/OFF] status as judged from
release switch signal.
ON when brake is depressed.
OFF when brake is not depressed.
RELEASE SW NC
[ON/OFF] ××Indicates [ON/OFF] status as judged from
release switch signal.
OFF when brake is depressed.
ON when brake is not depressed.
IDLE SW
[ON/OFF] ××Indicates [ON/OFF] status of idle switch
read by ICC unit via CAN communication
(ECM transmits ON/OFF status via CAN
communication).
GEAR
[1, 2, 3, 4, 5] ××Indicates A/T gear position read by ICC unit
via CAN communication (TCM transmits
gear position via CAN communication).
BUZZER O/P
[ON/OFF] ×Indicates [ON/OFF] status of ICC warning
output.
ICC WARNING ×NOTE:
This item is displayed but cannot be moni-
tored.
VHCL SPD AT
[km/h] or [mph] ×Indicates vehicle speed calculated from A/T
vehicle speed sensor by ICC unit via CAN
communication (TCM transmits A/T vehicle
speed sensor signal via CAN communica-
tion).
PRESS SENS
[bar] ××× Indicates brake fluid pressure value calcu-
lated from signal voltage of pressure sen-
sor.
PRESS SENS 2
[bar] ××NOTE:
This item is displayed but cannot be moni-
tored.
D RANGE SW
[ON/OFF] ××Indicates [ON/OFF] status of
“D ” position
read by ICC unit via CAN communication
(TCM transmits ON/OFF condition of “ D”
position via CAN communication).
A/T OD OFF
[ON/OFF] ×
Indicates [ON/OFF] status of OD cancel
output under control.
NP RANGE SW
[ON/OFF] ××Indicates PNP switch signal read by ICC
unit via CAN communication. (TCM trans-
mits PNP switch signal via CAN communi-
cation)
DISTANCE ×NOTE:
This item is displayed but cannot be moni-
tored.
RELATIVE SPD ×NOTE:
This item is displayed but cannot be moni-
tored.
STP LMP DRIVE
[ON/OFF] ×× Indicates [ON/OFF] status of brake hold
relay drive output.
Monitored Item [unit] MAIN SIGNALS
ECU
INPUT
SIGNALS SELECTION
FROM MENU Description

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INFINITI QX56 2006 Factory Service Manual ACS-30
[ICC]
TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
Revision: November 20092006 QX56
ACTIVE TEST
CAUTION:
Do not perform the active test while driving. Active test cannot be started while ICC syste

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METER LAMP
Start engine.
Touch “ON” and “OFF” to check that ICC system dis

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INFINITI QX56 2006 Factory Service Manual ACS-32
[ICC]
TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
Revision: November 20092006 QX56
3. With engine started, touch “START”, “ICC ”, “SELF-DIAG RESULTS ” on CONSULT-II screen in this ord

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When multiple malfunctions are detected, a maximum of 3 code numbers can be stored;

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INFINITI QX56 2006 Factory Service Manual ACS-34
[ICC]
TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
Revision: November 20092006 QX56
1. CHECK ICC SYSTEM DISPLAY
When ignition switch is ON, do all displays illuminate?
YES or NO
YES >> GO TO 2.
NO

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7. CHECK CAN COMMUNICATION
Perform self-diagnosis with CONSULT-II, and check CAN comm

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