2011 INFINITI QX56 ECU

DAS-98
< ECU DIAGNOSIS INFORMATION >[DCA]
ADAS CONTROL UNIT
Fail-safe
INFOID:0000000006223511
If a malfunction occurs in each system, ADAS contro l unit cancels each control, sounds a beep, and turns ON
the warning lamp or indicator lamp.
Te r m i n a l N o .
(Wire color) Description
Condition Va l u e
(Approx.)
+ − Signal name Input/
Output
1
(V/W)
Ground Warning systems
switch
InputIgnition
switch ON When warning systems
switch is not pressed
12 V
When warning systems
switch is pressed 0 V
3
(R/Y) IBA OFF switch Input Ignition
switch
ON When IBA OFF switch is
not pressed
12 V
When IBA OFF switch is
pressed 0 V
4
(LG/B) Warning systems ON
indicator
OutputIgnition
switch ON Warning systems ON indi-
cator ON
0 V
Warning systems ON indi-
cator OFF 12 V
5
(R) ICC brake hold relay
drive signal
OutputIgnition
switch ON —12 V
At “STOP LAMP” test of
“Active test” 0 V
6
(B) Ground — Ignition
switch ON —0 V
7
(L) ITS communication-H — — — —
8
(Y) ITS communication-L — — — —
12
(G/R) Warning buzzer signal Output Ignition
switch ON Warning buzzer operation 0 V
Warning buzzer not oper-
ating
12 V
14
(L) CAN -H — — — —
15
(P) CAN -L — — — —
16
(W/G) Ignition power supply Input Ignition switch ON Battery Voltage
System Buzzer Warning lamp/Indicator lamp Description
Vehicle-to-vehicle distance control mode High-pitched
toneICC system warn
ing lamp Cancel
Conventional (fixed speed) cruise control mode High-pitched
tone
ICC system warn
ing lamp Cancel
Intelligent Brake Assist (IBA) High-pitched
toneIBA OFF indicator lamp Cancel
Forward Collision Warning (FCW) High-pitched
toneIBA OFF indicator lamp Cancel
Distance Control Assist (DCA) High-pitched
tone
ICC system warn
ing lamp Cancel
Lane Departure Warning (LDW) — Lane departure warning lamp Cancel
Revision: 2010 May2011 QX56

DAS
ADAS CONTROL UNITDAS-99
< ECU DIAGNOSIS INFORMATION > [DCA]
C
D
E
F
G H
I
J
K L
M B
N P A
DTC Inspection Priority ChartINFOID:0000000006223512
If multiple DTCs are detected simultaneously, che ck them one by one depending on the following DTC inspec-
tion priority chart.
Lane Departure Prevention (LDP) Low-pitched
toneLane departure warning lamp Cancel
Blind Spot Warning (BSW) — BSW warning lamp Cancel System Buzzer Warning lamp/Indicator lamp Description
Priority Detected items (DTC)
1  U1507: LOST COMM (SIDE RDR R)
 U1508: LOST COMM (SIDE RDR L)
2  U1000: CAN COMM CIRCUIT
 U1010: CONTROL UNIT (CAN)
3  C1B00: CAMERA UNIT MALF
 C1F02: APA C/U MALF
 C1A17: ICC SENSOR MALF
 C1B53: SIDE RDR R MALF
 C1B54: SIDE RDR L MALF
Revision: 2010 May2011 QX56

DAS-100
< ECU DIAGNOSIS INFORMATION >[DCA]
ADAS CONTROL UNIT
DTC Index
INFOID:0000000006223513
NOTE:
 The details of time display are as per the following.
4  C1A01: POWER SUPPLY CIR
 C1A02: POWER SUPPLY CIR 2
 C1A04: ABS/TCS/VDC CIRC
 C1A05: BRAKE SW/STOP L SW
 C1A06: OPERATION SW CIRC
 C1A12: LASER BEAM OFFCNTR
 C1A13: STOP LAMP RLY FIX
 C1A14: ECM CIRCUIT
 C1A16: RADAR STAIN
 C1A18: LASER AIMING INCMP
 C1A2A: ICC SEN PWR SUP CIR
 C1A21: ICC SENSOR HIGH TEMP
 C1A24: NP RANGE
 C1A26: ECD MODE MALF
 C1A27: ECD PWR SUPLY CIR
 C1A33: CAN TRANSMISSION ERR
 C1A34: COMMAND ERROR
 C1A35: APA CIR
 C1A36: APA CAN COMM CIR
 C1A37: APA CAN CIR 2
 C1A38: APA CAN CIR 1
 C1A39: STRG SEN CIR
 C1A40: SYSTEM SW CIRC
 C1B01: CAM AIMING INCMP
 C1B03: CAM ABNRML TMP DETCT
 C1F01: APA MOTOR MALF
 C1F05: APA PWR SUPLY CIR
 U0121: VDC CAN CIR 2
 U0126: STRG SEN CAN CIR 1
 U0235: ICC SENSOR CAN CIRC 1
 U0401: ECM CAN CIR 1
 U0402: TCM CAN CIR 1
 U0415: VDC CAN CIR 1
 U0428: STRG SEN CAN CIR 2
 U1500: CAM CAN CIR 2
 U1501: CAM CAN CIR 1
 U1502: ICC SEN CAN COMM CIR
 U1503: SIDE RDR L CAN CIR 2
 U1504: SIDE RDR L CAN CIR 1
 U1505: SIDE RDR R CAN CIR 2
 U1506: SIDE RDR R CAN CIR 1
 U150B: ECM CAN CIRC 3
 U150C: VDC CAN CIRC 3
 U150D: TCM CAN CIRC 3
 U150E: BCM CAN CIRC 3
 U150F: AV CAN CIRC 3
 U1512: HVAC CAN CIRC3
 U1513: METER CAN CIRC 3
 U1514: STRG SEN CAN CIRC 3
 U1515: ICC SENSOR CAN CIRC 3
 U1516: CAM CAN CIRC 3
 U1517: APA CAN CIRC 3
 U1518: SIDE RDR L CAN CIRC 3
 U1519: SIDE RDR R CAN CIRC 3
 U1520: 4WD CAN CIRC 3
5  C1A03: VHCL SPEED SE CIRC
6  C1A15: GEAR POSITION
7  C1A00: CONTROL UNIT
Priority Detected items (DTC)
Revision: 2010 May2011 QX56

DAS
ADAS CONTROL UNITDAS-101
< ECU DIAGNOSIS INFORMATION > [DCA]
C
D
E
F
G H
I
J
K L
M B
N P A
- CRNT: A malfunction is detected now
- PAST: A malfunction was detected in the past
 IGN counter is displayed on FFD (Freeze Frame Data).
- 0: The malfunctions that are detected now CAN communication system (U1000, U1010)
- 1 - 39: It increases like 0 → 1 → 2 ··· 38 → 39 after returning to the normal condition whenever the ignition
switch OFF → ON. It returns to 0 when a malfunc tion is detected again in the process.
- If it is over 39, it is fixed to 39 unt il the self-diagnosis results are erased.
Other than CAN communication s ystem (Other than U1000, U1010)
- 1 - 49: It increases like 0 → 1 → 2 ··· 38 → 49 after returning to the normal condition whenever the ignition
switch OFF → ON. It returns to 0 when a malfunc tion is detected again in the process.
- If it is over 49, it is fixed to 49 unt il the self-diagnosis results are erased.
Systems for fail-safe
 A: Vehicle-to-vehicle distance control mode
 B: Conventional (fixed speed) cruise control mode
 C: Intelligent Brake Assist (IBA)
 D: Forward Collision Warning (FCW)
 E: Distance Control Assist (DCA)
 F: Lane Departure Warning (LDW)/Lane Departure Prevention (LDP)
 G: Blind Spot Warning (BSW)
DTC
CONSULT-III display Warning lamp Fail-safe
Reference
CONSULT-III On board
display
ICC system warning lamp
IBA OFF indicator lamp
Lane departure warning lamp BSW warning lamp
System
C1A00 0 CONTROL UNIT ON ON ON ON A, B, C, D, E, F, G DAS-129
C1A01 1 POWER SUPPLY CIR ON ON ON ON A, B, C, D, E, F, GDAS-130
C1A02 2 POWER SUPPLY CIR 2 ON ON ON ON A, B, C, D, E, F, GDAS-130
C1A03 3 VHCL SPEED SE CIRC ON ON ON ON A, B, C, D, E, F, GDAS-131
C1A04 4 ABS/TCS/VDC CIRC ON ON ON A, B, C, D, E, FDAS-133
C1A05 5 BRAKE SW/STOP L SW ON ON ON A, B, C, D, E, FDAS-134
C1A06 6 OPERATION SW CIRC ON ON A, B, E, FDAS-138
C1A12 12LASER BEAM OFFCN-
TR ON ON A, C, D, E
DAS-140
C1A13 13 STOP LAMP RLY FIX ON ON A, B, C, D, E DAS-141
C1A14 14 ECM CIRCUIT ON ON A, B, E, FDAS-147
C1A15 15 GEAR POSITION ON ON ON ON A, B, C, D, E, F, GDAS-148
C1A16 16 RADAR STAIN ON ON A, C, D, EDAS-150
C1A17 17 ICC SENSOR MALF ON ON A, B, C, D, EDAS-151
C1A18 18 LASER AIMING INCMP ON ON A, C, D, EDAS-152
C1A21 21ICC SENSOR HIGH
TEMP ON ON A, B, C, D, E
DAS-153
C1A24 24 NP RANGE ON ON ON ON A, B, C, D, E, F, G DAS-154
C1A26 26 ECD MODE MALF ON ON A, B, C, D, EDAS-156
C1A27 27 ECD PWR SUPLY CIR ON ON A, B, C, D, EDAS-157
C1A33 33CAN TRANSMISSION
ERR ON A, B, E
DAS-159
Revision: 2010 May2011 QX56

DAS-102
< ECU DIAGNOSIS INFORMATION >[DCA]
ADAS CONTROL UNIT
C1A34 34 COMMAND ERROR ON A, B, E
DAS-160
C1A35 35 APA CIR ON A, EDAS-161
C1A36 36 APA CAN COMM CIR ON A, EDAS-162
C1A37 133 APA CAN CIR 2 ON A, B, EDAS-163
C1A38 132 APA CAN CIR 1 ON A, B, EDAS-164
C1A39 39 STRG SEN CIR ON ON ON A, B, C, D, E, GDAS-165
C1A40 40 SYSTEM SW CIRC ON C, DCCS-126
C1A2A 80 ICC SEN PWR SUP CIR ON ON A, C, D, E DAS-158
C1B00 81 CAMERA UNIT MALF ON FDAS-361
C1B01 82 CAM AIMING INCMP ON FDAS-363
C1B03 83CAM ABNRML TMP DE-
TCT BLINK F
DAS-365
C1B53 84 SIDE RDR R MALF ON G DAS-482
C1B54 85 SIDE RDR L MALF ON GDAS-483
C1F01 91 APA MOTOR MALF ON A, EDAS-166
C1F02 92 APA C/U MALF ON A, EDAS-168
C1F05 95 APA PWR SUPLY CIR ON A, EDAS-171
NO DTC IS
DETECTED.
FURTHER TESTING
MAY BE RE-
QUIRED 55
NO DTC IS DETECTED.
FURTHER TESTING
MAY BE REQUIRED ———— — —
U0121 127 VDC CAN CIR 2 ON ON ON ON A, B, C, D, E, F, G DAS-175
U0126 130 STRG SEN CAN CIR 1 ON ON ON A, B, C, D, E, GDAS-176
U0235 144 ICC SENSOR CAN
CIRC 1 ON ON A, B, C, D, E
DAS-177
U0401 120 ECM CAN CIR 1 ON ON ON A, B, E, F, G DAS-178
U0402 122 TCM CAN CIR 1 ON ON ON ON A, B, C, D, E, F, GDAS-179
U0415 126 VDC CAN CIR 1 ON ON ON ON A, B, C, D, E, F, GDAS-180
U0428 131 STRG SEN CAN CIR 2 ON ON ON A, B, C, D, E, GDAS-181
U1000NOTE100 CAN COMM CIRCUIT ON ON ON ON A, B, C, D, E, F, GDAS-182
U1010 110 CONTROL UNIT (CAN) ON ON ON ON A, B, C, D, E, F, G DAS-184
Systems for fail-safe
 A: Vehicle-to-vehicle distance control mode
 B: Conventional (fixed speed) cruise control mode
 C: Intelligent Brake Assist (IBA)
 D: Forward Collision Warning (FCW)
 E: Distance Control Assist (DCA)
 F: Lane Departure Warning (LDW)/Lane Departure Prevention (LDP)
 G: Blind Spot Warning (BSW)
DTC
CONSULT-III display Warning lamp Fail-safe
Reference
CONSULT-III On board
display
ICC system warning lamp
IBA OFF indicator lamp
Lane departure warning lamp
BSW warning lamp
System
Revision: 2010 May2011 QX56

DAS
ADAS CONTROL UNITDAS-103
< ECU DIAGNOSIS INFORMATION > [DCA]
C
D
E
F
G H
I
J
K L
M B
N P A
NOTE:
With the detection of “U1000” some syst ems do not perform the fail-safe operation.
A system controlling based on a signal received from the control unit performs fail-safe operation when the
communication with the ADAS control unit becomes inoperable.
U1500 145 CAM CAN CIR 2 ON F DAS-381
U1501 146 CAM CAN CIR 1 ON FDAS-382
U1502 147ICC SEN CAN COMM
CIR ON ON A, B, C, D, E
DAS-189
U1503 150 SIDE RDR L CAN CIR 2 ON G DAS-502
U1504 151 SIDE RDR L CAN CIR 1 ON GDAS-503
U1505 152 SIDE RDR R CAN CIR 2 ON GDAS-504
U1506 153 SIDE RDR R CAN CIR 1 ON GDAS-505
U1507 154LOST COMM (SIDE
RDR R) ON G
DAS-506
U1508 155LOST COMM (SIDE
RDR L) ON G
DAS-507
U150B 157 ECM CAN CIRC 3 ON ON ON A, B, E, F, G DAS-185
U150C 158 VDC CAN CIRC 3 ON ON ON ON A, B, C, D, E, F, G DAS-186
U150D 159 TCM CAN CIRC 3 ON ON ON ON A, B, C, D, E, F, GDAS-187
U150E 160 BCM CAN CIRC 3 ON ON ON A, B, E, F, GDAS-188
U150F 161 AV CAN CIRC 3 DAS-61
U1512 162 HVAC CAN CIRC3 ON FDAS-383
U1513 163 METER CAN CIRC 3 ON ON ON ON A, B, C, D, E, F, GDAS-190
U1514 164 STRG SEN CAN CIRC 3 ON ON ON A, B, C, D, E, GDAS-191
U1515 165 ICC SENSOR CAN
CIRC 3 ON ON A, B, C, D, E
DAS-192
U1516 166 CAM CAN CIRC 3 ON F DAS-385
U1517 167 APA CAN CIRC 3 ON A, B, EDAS-193
U1518 168 SIDE RDR L CAN CIRC 3 ON GDAS-510
U1519 169SIDE RDR R CAN CIRC
3 ON G
DAS-511
U1520 176 4WD CAN CIRC 3 ON ON ON A, B, C, D, E, F DAS-194
Systems for fail-safe
 A: Vehicle-to-vehicle distance control mode
 B: Conventional (fixed speed) cruise control mode
 C: Intelligent Brake Assist (IBA)
 D: Forward Collision Warning (FCW)
 E: Distance Control Assist (DCA)
 F: Lane Departure Warning (LDW)/Lane Departure Prevention (LDP)
 G: Blind Spot Warning (BSW)
DTC
CONSULT-III display Warning lamp Fail-safe
Reference
CONSULT-III On board
display
ICC system warning lamp
IBA OFF indicator lamp
Lane departure warning lamp BSW warning lamp
System
Revision: 2010 May2011 QX56

DAS-104
< ECU DIAGNOSIS INFORMATION >[DCA]
ICC SENSOR
ICC SENSOR
Reference ValueINFOID:0000000006228056
VALUES ON THE DIAGNOSIS TOOL
TERMINAL LAYOUT
PHYSICAL VALUES
Monitor item Condition Value/Status
VHCL SPEED SE While driving Value of vehicle
speed signal
(wheel speed)
YAW RATE While driving Vehicle stopped 0.0
Vehicle turning right Positive value
Vehicle turning left Negative value
PWR SUP MONI Ignition switch ON Power supply
voltage value of ICC sensor
DISTANCE Drive the vehicle and activate
the vehicle-to-vehicle distance
control mode When a vehicle ahead is detected
Displays the dis-
tance from the
preceding vehi- cle
When a vehicle ahead is not detected 0.0
RELATIVE SPD Drive the vehicle and activate
the vehicle-to-vehicle distance
control mode When a vehicle ahead is detected
Displays the rel-
ative speed
When a vehicle ahead is not detected 0.0
LASER OFFSET NOTE:
The item is indicated, but not used
—
LASER HEIGHT NOTE:
The item is indicated, but not used —
STEERING ANGLE Ignition switch ON When setting the steering wheel in straight-ahead posi-
tion
0.0
When turning the steering wheel 90 ° rightward +90
When turning the steering wheel 90 ° leftward -90
STRG ANGLE
SPEED Ignition switch ON At the time of turning the steering wheel Steering wheel
turning speed is
displayed
L/R ADJUST Ignition switch ON At the completion of laser beam adjustment Horizontal cor-
rection value is
displayed
U/D ADJUST Ignition switch ON At the completion of laser beam adjustment Vertical correc-
tion value is dis-
played
JPOIA0105ZZ
Revision: 2010 May2011 QX56

DAS
ICC SENSORDAS-105
< ECU DIAGNOSIS INFORMATION > [DCA]
C
D
E
F
G H
I
J
K L
M B
N P A
Fail-safeINFOID:0000000006228057
If a malfunction occurs in the ICC sensor, ADAS cont rol unit cancels control, sounds a beep, and turns ON the
ICC system warning lamp in the combination meter.
DTC Inspection Priority ChartINFOID:0000000006228058
If multiple DTCs are detected simultaneously, che ck them one by one depending on the following DTC inspec-
tion priority chart.
DTC IndexINFOID:0000000006228059
NOTE:
 The details of time display are as per the following.
- 0: The malfunctions that are detected now
CAN communication system (U1000, U1010)
- 1 - 39: It increases like 0 → 1 → 2 ··· 38 → 39 after returning to the normal condition whenever the ignition
switch OFF → ON. It returns to 0 when a malfunc tion is detected again in the process.
- If it is over 39, it is fixed to 39 unt il the self-diagnosis results are erased.
Other than CAN communication s ystem (Other than U1000, U1010)
- 1 - 49: It increases like 0 → 1 → 2 ··· 38 → 49 after returning to the normal condition whenever the ignition
switch OFF → ON. It returns to 0 when a malfunc tion is detected again in the process.
- If it is over 49, it is fixed to 49 unt il the self-diagnosis results are erased.
Te r m i n a l N o .
(Wire color) Description
ConditionVa l u e
(Approx.)
+ – Signal name Input/
Output
1
(W/G)
GroundIgnition power supply Input Ignition switch ON Battery voltage
3
(L) ITS communication-H — — —
4
(B) Ground — Ignition switch ON 0 V
6
(Y) ITS communication-L — — —
Priority Detected items (DTC)
1  U1000: CAN COMM CIRCUIT
 U1010: CONTROL UNIT (CAN)
2  C1A50: ADAS MALFUNCTION
3  C1A01: POWER SUPPLY CIR
 C1A02: POWER SUPPLY CIR 2
 C1A12: LASER BEAM OFFCNTR
 C1A16: RADAR STAIN
 C1A18: LASER AIMING INCMP
 C1A21: UNIT HIGH TEMP
 C1A39: STRG SEN CIR
 U0104: ADAS CAN CIR1
 U0121: VDC CAN CIR2
 U0126: STRG SEN CAN CIR1
 U0405: ADAS CAN CIR2
 U0415: VDC CAN CIR1
 U0428: STRG SEN CAN CIR2
4  C1A00: CONTROL UNIT
Revision: 2010 May2011 QX56