INFINITI QX56 2011 Factory Service Manual

DAS-36
< ECU DIAGNOSIS INFORMATION >[ADAS CONTROL UNIT]
ADAS CONTROL UNIT
Fail-safe
INFOID:0000000006223477
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

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DTC Inspection Priority ChartINFOID:0000000006223478
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-38
< ECU DIAGNOSIS INFORMATION >[ADAS CONTROL UNIT]
ADAS CONTROL UNIT
DTC Index
INFOID:0000000006223479
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

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- 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-57
C1A01 1 POWER SUPPLY CIR ON ON ON ON A, B, C, D, E, F, GDAS-58
C1A02 2 POWER SUPPLY CIR 2 ON ON ON ON A, B, C, D, E, F, GDAS-58
C1A03 3 VHCL SPEED SE CIRC ON ON ON ON A, B, C, D, E, F, GCCS-87
C1A04 4 ABS/TCS/VDC CIRC ON ON ON A, B, C, D, E, FCCS-89
C1A05 5 BRAKE SW/STOP L SW ON ON ON A, B, C, D, E, FCCS-90
C1A06 6 OPERATION SW CIRC ON ON A, B, E, FCCS-94
C1A12 12LASER BEAM OFFCN-
TR ON ON A, C, D, E
CCS-96
C1A13 13 STOP LAMP RLY FIX ON ON A, B, C, D, E CCS-97
C1A14 14 ECM CIRCUIT ON ON A, B, E, FCCS-103
C1A15 15 GEAR POSITION ON ON ON ON A, B, C, D, E, F, GCCS-104
C1A16 16 RADAR STAIN ON ON A, C, D, ECCS-106
C1A17 17 ICC SENSOR MALF ON ON A, B, C, D, ECCS-108
C1A18 18 LASER AIMING INCMP ON ON A, C, D, ECCS-109
C1A21 21ICC SENSOR HIGH
TEMP ON ON A, B, C, D, E
CCS-111
C1A24 24 NP RANGE ON ON ON ON A, B, C, D, E, F, G CCS-113
C1A26 26 ECD MODE MALF ON ON A, B, C, D, ECCS-115
C1A27 27 ECD PWR SUPLY CIR ON ON A, B, C, D, ECCS-116
C1A33 33CAN TRANSMISSION
ERR ON A, B, E
CCS-118
Revision: 2010 May2011 QX56

DAS-40
< ECU DIAGNOSIS INFORMATION >[ADAS CONTROL UNIT]
ADAS CONTROL UNIT
C1A34 34 COMMAND ERROR ON A, B, E
CCS-119
C1A35 35 APA CIR ON A, ECCS-120
C1A36 36 APA CAN COMM CIR ON A, ECCS-121
C1A37 133 APA CAN CIR 2 ON A, B, ECCS-122
C1A38 132 APA CAN CIR 1 ON A, B, ECCS-123
C1A39 39 STRG SEN CIR ON ON ON A, B, C, D, E, GCCS-124
C1A40 40 SYSTEM SW CIRC ON C, DCCS-126
C1A2A 80 ICC SEN PWR SUP CIR ON ON A, C, D, E CCS-117
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, ECCS-129
C1F02 92 APA C/U MALF ON A, ECCS-130
C1F05 95 APA PWR SUPLY CIR ON A, ECCS-131
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 CCS-133
U0126 130 STRG SEN CAN CIR 1 ON ON ON A, B, C, D, E, GCCS-135
U0235 144 ICC SENSOR CAN
CIRC 1 ON ON A, B, C, D, E
CCS-137
U0401 120 ECM CAN CIR 1 ON ON ON A, B, E, F, G CCS-138
U0402 122 TCM CAN CIR 1 ON ON ON ON A, B, C, D, E, F, GCCS-139
U0415 126 VDC CAN CIR 1 ON ON ON ON A, B, C, D, E, F, GCCS-141
U0428 131 STRG SEN CAN CIR 2 ON ON ON A, B, C, D, E, GCCS-143
U1000NOTE100 CAN COMM CIRCUIT ON ON ON ON A, B, C, D, E, F, GDAS-59
U1010 110 CONTROL UNIT (CAN) ON ON ON ON A, B, C, D, E, F, G DAS-60
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

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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
CCS-152
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 CCS-148
U150C 158 VDC CAN CIRC 3 ON ON ON ON A, B, C, D, E, F, G CCS-149
U150D 159 TCM CAN CIRC 3 ON ON ON ON A, B, C, D, E, F, GCCS-150
U150E 160 BCM CAN CIRC 3 ON ON ON A, B, E, F, GCCS-151
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, GCCS-153
U1514 164 STRG SEN CAN CIRC 3 ON ON ON A, B, C, D, E, GCCS-154
U1515 165 ICC SENSOR CAN
CIRC 3 ON ON A, B, C, D, E
CCS-155
U1516 166 CAM CAN CIRC 3 ON F DAS-385
U1517 167 APA CAN CIRC 3 ON A, B, ECCS-156
U1518 168 SIDE RDR L CAN CIRC 3 ON G DAS-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 CCS-157
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-42
< WIRING DIAGRAM >[ADAS CONTROL UNIT]
DRIVER ASSISTANCE SYSTEMS
WIRING DIAGRAM
DRIVER ASSISTANCE SYSTEMS
Wiring DiagramINFOID:0000000006223480
JCOWM0352GB
Revision: 2010 May2011 QX56

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JCOWM0353GB
Revision: 2010 May2011 QX56

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DRIVER ASSISTANCE SYSTEMS
JCOWM0354GB
Revision: 2010 May2011 QX56

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JCOWM0355GB
Revision: 2010 May2011 QX56