2010 INFINITI QX56 Factory Service Manual

gas tank size mirror fuse chart fuel fill door release fuel cap release radiator

Page 689 of 4210

INFINITI QX56 2010 Factory Service Manual CCS-20
< FUNCTION DIAGNOSIS >
DIAGNOSIS SYSTEM (ICC SENSOR INTEGRATED UNIT)
ACTIVE TEST
STOP LAMP SW
[On/Off] ××
Indicates [On/Off] status as judged from stop lamp switch signal (ECM trans-
mits sto

CCS-20
< FUNCTION DIAGNOSIS >
DIAGNOSIS SYSTEM (ICC SENSOR INTEGRATED UNIT)
ACTIVE TEST
STOP LAMP SW
[On/Off] ××
Indicates [On/Off] status as judged from stop lamp switch signal (ECM trans-
mits stop lamp switch signal through CAN communication).
CRUISE LAMP
[On/Off] ××
Indicates [On/Off] status of MAIN switch indicator lamp output.
NP SW SIG
[On/Off] ××Indicates [On/Off] status as judged from transmission range switch signal
(ECM transmits transmission range switch signal through CAN communica-
tion).
STP LMP DRIVE
[On/Off] ××
Indicates [On/Off] status of ICC brake hold relay drive output.
PWR SUP MONI
[V] ××
Indicates IGN voltage input by ICC sensor integrated unit.
IDLE SW
[On/Off] ×Indicates [On/Off] status of idle switch read from ICC sensor integrated unit
through CAN communication (ECM transmits On/Off status through CAN
communication).
OWN VHCL
[On/Off] ×
Indicates [On/Off] status of own vehicle indicator output.
VHCL AHEAD
[On/Off] ×
Indicates [On/Off] status of vehicle ahead detection indicator output.
ICC WARNING
[On/Off] ×
Indicates [On/Off] status of ICC system warning lamp output.
BUZZER O/P
[On/Off] ×
Indicates [On/Off] status of ICC warning chime output.
ENGINE RPM
[rpm] ×
Indicates engine speed read from ICC sensor integrated unit through CAN
communication (ECM transmits engine speed through CAN communication).
WIPER SW
[OFF/LOW/HIGH] ×Indicates wiper [OFF/LOW/HIGH] status (BCM transmits front wiper request
signal through CAN communication).
D RANGE SW
[On/Off] ×Indicates [On/Off] status of “D” or “DS” or “M” positions read from ICC sensor
integrated unit through CAN communication; ON when position “D” or “DS” or
“M” (TCM transmits shift position indicator lamp signal through CAN commu-
nication).
NP RANGE SW
[On/Off] ×Indicates shift position indicator lamp signal read from ICC sensor integrated
unit through CAN communication (TCM transmits shift position indicator lamp
signal through CAN communication).
VHCL SPD AT
[km/h] or [mph] ×Indicates vehicle speed calculated from A/T vehicle speed sensor read from
ICC sensor integrated unit through CAN communication (TCM transmits A/T
vehicle speed sensor signal through CAN communication).
GEAR
[1, 2, 3, 4, 5] ×Indicates A/T gear position read from ICC sensor integrated unit through CAN
communication (TCM transmits current gear position signal through CAN
communication).
MODE SIG
[OFF, ICC, ASCD] ×Indicates the active mode from ICC or ASCD [conventional (fixed speed)
cruise control mode].
SET DISP IND
[On/Off] ×
Indicates [On/Off] status of SET switch indicator output.
DISTANCE
[m] ×
Indicates the distance from the vehicle ahead.
RELATIVE SPD
[m/s] ×
Indicates the relative speed of the vehicle ahead.
Monitored Item [unit]
MAIN
SIGNALS SELECTION
FROM
MENU Description
Revision: April 20092010 QX56

Page 690 of 4210

INFINITI QX56 2010 Factory Service Manual CCS
DIAGNOSIS SYSTEM (ICC SENSOR INTEGRATED UNIT)
CCS-21
< FUNCTION DIAGNOSIS >
C
D E
F
G H
I
J
K L
M B
N P ANOTE:
• Never perform the active test while driving.
• “Active Test” cannot be star

Page 691 of 4210

INFINITI QX56 2010 Factory Service Manual CCS-22
< COMPONENT DIAGNOSIS >
DTC 11 CONTROL UNIT
COMPONENT DIAGNOSIS
DTC 11 CONTROL UNIT
DTC 11 CONTROL UNITINFOID:0000000005145985
1.DIAGNOSTIC CHECK
Perform self diagnosis of the ICC system.
Are a

Page 692 of 4210

INFINITI QX56 2010 Factory Service Manual CCS
DTC 12 VDC CONTROL UNITCCS-23
< COMPONENT DIAGNOSIS >
C
DE
F
G H
I
J
K L
M B
N P A
DTC 12 VDC CONTROL UNIT
DTC 12 VDC CONTROL UNITINFOID:0000000005145986
Regarding Wiring Diagram information, refe

Page 693 of 4210

INFINITI QX56 2010 Factory Service Manual CCS-24
< COMPONENT DIAGNOSIS >
DTC 20 CAN COMM CIRCUIT
DTC 20 CAN COMM CIRCUIT
DTC 20 CAN COMM CIRCUITINFOID:0000000005145987
1.CHECK CAN COMMUNICATION
1. Perform self-diagnosis.
>> GO TO “CAN syste

Page 694 of 4210

INFINITI QX56 2010 Factory Service Manual CCS
DTC 31 POWER SUPPLY CIR1, DTC 34 POWER SUPPLY CIR2
CCS-25
< COMPONENT DIAGNOSIS >
C
D E
F
G H
I
J
K L
M B
N P A
DTC 31 POWER SUPPLY CIR1, DTC 34 POWER SUPPLY CIR2
DTC 31 POWER SUPPLY CIR1, DTC 34

Page 695 of 4210

INFINITI QX56 2010 Factory Service Manual CCS-26
< COMPONENT DIAGNOSIS >
DTC 41 VHCL SPEED SE CIRC
DTC 41 VHCL SPEED SE CIRC
DTC 41 VHCL SPEED SE CIRCINFOID:0000000005145989
1.PERFORM ICC UNIT SELF-DIAGNOSIS
Perform self-diagnosis.
Is
“DT

Page 696 of 4210

INFINITI QX56 2010 Factory Service Manual CCS
DTC 43 VDC/TCS/ABS CIRCCCS-27
< COMPONENT DIAGNOSIS >
C
DE
F
G H
I
J
K L
M B
N P A
DTC 43 VDC/TCS/ABS CIRC
DTC 43 VDC/TCS/ABS CIRCINFOID:0000000005145990
1.DIAGNOSIS CHECK 1
Perform self-diagnosis

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