2011 INFINITI QX56 sensor

CCS
C1A2A ICC SENSOR POWER SUPPLY CIRCUITCCS-117
< DTC/CIRCUIT DIAGNOSIS > [ICC]
C
D
E
F
G H
I
J
K L
M B
N P A
C1A2A ICC SENSOR POWER SUPPLY CIRCUIT
DTC LogicINFOID:0000000006224351
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Start the engine.
2. Turn the MAIN switch of ICC system ON.
3. Perform “All DTC Readi ng” with CONSULT-III.
4. Check if the “C1A2A” is detected as the current malfunction in “Self Diagnostic Result” of “ICC/ADAS”.
Is
“C1A2A” detected as the current malfunction?
YES >> Refer to CCS-117, "Diagnosis Procedure".
NO >> Refer to GI-40, "
Intermittent Incident".
Diagnosis ProcedureINFOID:0000000006224352
1.CHECK SELF-DIAGNOSIS RESULTS
Check if “U1000” is detected other than “C1A2A ” in “Self Diagnostic Result” of “ICC/ADAS”.
Is any DTC detected?
YES >> Perform diagnosis on the detected DTC and repair or replace the malfunctioning parts. Refer to
CCS-145, "
ADAS CONTROL UNIT : DTC Logic".
NO >> GO TO 2.
2.CHECK ICC SENSOR SELF-DIAGNOSIS
Check if any DTC is detected in “Self Diagnostic Result” of “LASER”.
Is any DTC detected?
YES >> Perform diagnosis on the detected DTC and repair or replace the malfunctioning parts. Refer to
CCS-55, "
DTC Index".
NO >> Replace ADAS control unit. Refer to DAS-63, "
Removal and Installation".
DTC
(On board display) Trouble diagnosis name DTC detecting condition Possible cause
C1A2A (80) ICC SEN PWR SUP CIR Abnormal powe
r supply voltage in ICC sensor Harness, connector, fuse
 ICC sensor
Revision: 2010 May2011 QX56

CCS-124
< DTC/CIRCUIT DIAGNOSIS >[ICC]
C1A39 STEERING ANGLE SENSOR
C1A39 STEERING ANGLE SENSOR
ADAS CONTROL UNIT
ADAS CONTROL UNIT : DTC LogicINFOID:0000000006224365
DTC DETECTION LOGIC
NOTE:
If DTC “C1A39” is detected along with DTC “U
1000”, first diagnose the DTC “U1000”. Refer to CCS-145,
"ADAS CONTROL UNIT : DTC Logic".
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Start the engine.
2. Turn the MAIN switch of ICC system ON.
3. Perform “All DTC Reading” with CONSULT-III.
4. Check if the “C1A39” is detected as the current malfunction in self-diagnosis results of “ICC/ADAS”.
Is
“C1A39” detected as the current malfunction?
YES >> Refer to CCS-124, "ADAS CONTROL UNIT : Diagnosis Procedure".
NO >> Refer to GI-40, "
Intermittent Incident".
ADAS CONTROL UNIT : Diagnosis ProcedureINFOID:0000000006224366
1.CHECK SELF-DIAGNOSIS RESULTS
Check if “U1000” is detected ot her than “C1A39” in “Self Diagnostic Result” of “ICC/ADAS”.
Is
“U1000” detected?
YES >> Perform the CAN communication system inspecti on. Repair or replace the malfunctioning parts.
Refer to CCS-145, "
ADAS CONTROL UNIT : DTC Logic".
NO >> GO TO 2.
2.CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) SELF-DIAGNOSIS RESULTS
Check if any DTC is detected in “Self Diagnostic Result” of “ABS”.
Is any DTC detected?
YES >> Perform diagnosis on the detected DTC and repair or replace the malfunctioning parts. Refer to
BRC-51, "
DTC Index".
NO >> Replace the ADAS control unit. Refer to DAS-63, "
Removal and Installation".
ICC SENSOR
ICC SENSOR : DTC LogicINFOID:0000000006224367
DTC DETECTION LOGIC
NOTE:
If DTC “C1A39” is detected along with DTC “U1000”, first diagnose the DTC “U1000”. Refer to CCS-145, "
ICC
SENSOR : DTC Logic".
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
DTC
(On board dis- play) Trouble diagnosis name DTC detecting condition Possible causes
C1A39 (39) STRG SEN CIR If the steering angle sensor is malfunction Steering angle sensor
DTC Trouble diagnosis name DTC detecting condition Possible causes
C1A39 STRG SEN CIR If the steering angle sensor is malfunction Steering angle sensor
Revision: 2010 May2011 QX56

CCS
C1A39 STEERING ANGLE SENSORCCS-125
< DTC/CIRCUIT DIAGNOSIS > [ICC]
C
D
E
F
G H
I
J
K L
M B
N P A
1. Start the engine.
2. Turn the MAIN switch of ICC system ON.
3. Perform “All DTC Readi ng” with CONSULT-III.
4. Check if the “C1A39” is detected as the current malfunction in self-diagnosis results of “LASER”.
Is
“C1A39” detected as the current malfunction?
YES >> Refer to CCS-125, "ICC SENSOR : Diagnosis Procedure".
NO >> Refer to GI-40, "
Intermittent Incident".
ICC SENSOR : Diagnosis ProcedureINFOID:0000000006224368
1.CHECK ICC SENSOR SELF-DIAGNOSIS RESULTS
Check if “U1000” is detected other than “C1A 39” in “Self Diagnostic Result” of “LASER”.
Is
“U1000” detected?
YES >> Perform the CAN communicati on system inspection. Repair or replace the malfunctioning parts.
Refer to CCS-145, "
ICC SENSOR : DTC Logic".
NO >> GO TO 2.
2.CHECK ADAS CONTROL UNIT SELF-DIAGNOSIS RESULTS
Check if any DTC is detected in “S elf Diagnostic Result” of “ICC/ADAS”.
Is any DTC detected?
YES >> Perform diagnosis on the detected DTC and repair or replace the malfunctioning parts. Refer to
CCS-50, "
DTC Index".
NO >> Replace the ICC sensor. Refer to CCS-176, "
Exploded View".
Revision: 2010 May2011 QX56

CCS-128
< DTC/CIRCUIT DIAGNOSIS >[ICC]
C1A50 ADAS CONTROL UNIT
C1A50 ADAS CONTROL UNIT
DTC LogicINFOID:0000000006224372
DTC DETECTION LOGIC
NOTE:
If DTC “C1A50” is detected along with DTC “U1000”, first diagnose the DTC “U1000”. Refer to
CCS-145, "
ICC
SENSOR : DTC Logic".
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Start the engine.
2. Turn the MAIN switch of ICC system ON.
3. Perform “All DTC Reading” with CONSULT-III.
4. Check if the “C1A50” is detected as the current malfunction in “Self Diagnostic Result” of “LASER”.
Is
“C1A50” detected as the current malfunction?
YES >> Refer to CCS-128, "Diagnosis Procedure".
NO >> Refer to GI-40, "
Intermittent Incident".
Diagnosis ProcedureINFOID:0000000006224373
1.CHECK ICC SENSOR SELF-DIAGNOSIS RESULTS
Check if “U1000” is detected ot her than “C1A50” in “Self Diagnostic Result” of “LASER”.
Is
“U1000” detected?
YES >> Perform the CAN communication system inspecti on. Repair or replace the malfunctioning parts.
Refer to CCS-145, "
ICC SENSOR : DTC Logic".
NO >> GO TO 2.
2.CHECK ADAS CONTROL UNIT SE LF-DIAGNOSIS RESULTS
Check if any DTC is detected in “S elf Diagnostic Result” of “ICC/ADAS”.
Is any DTC detected?
YES >> Perform diagnosis on the detected DTC and repair or replace the malfunctioning parts. Refer to
CCS-50, "
DTC Index".
NO >> Replace the ICC sensor. Refer to CCS-176, "
Exploded View".
DTC Trouble diagnosis name DTC detecting condition Possible cause
C1A50 ADAS MALFUNCTION If ADAS control unit is malfunctioning ADAS control unit
Revision: 2010 May2011 QX56

CCS-132
< DTC/CIRCUIT DIAGNOSIS >[ICC]
U0104 ADAS CAN 1
U0104 ADAS CAN 1
DTC LogicINFOID:0000000006224380
DTC DETECTION LOGIC
NOTE:
If DTC “U0104” is detected along with DTC “U
1000”, first diagnose the DTC “U1000”. Refer to CCS-145, "
ICC
SENSOR : DTC Logic".
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Start the engine.
2. Turn the MAIN switch of ICC system ON.
3. Perform “All DTC Reading” with CONSULT-III.
4. Check if the “U0104” is detected as the current malfunction in “Self Diagnostic Result” of “LASER”.
Is
“U0104” detected as the current malfunction?
YES >> Refer to CCS-132, "Diagnosis Procedure".
NO >> Refer to GI-40, "
Intermittent Incident".
Diagnosis ProcedureINFOID:0000000006224381
1.CHECK ICC SENSOR SELF-DIAGNOSIS RESULTS
Check if “U1000” is detected other than “U0104” in “Self Diagnostic Result” of “LASER”.
Is
“U1000” detected?
YES >> Perform the CAN communication system inspecti on. Repair or replace the malfunctioning parts.
Refer to CCS-145, "
ICC SENSOR : DTC Logic".
NO >> GO TO 2.
2.CHECK ADAS CONTROL UNIT SE LF-DIAGNOSIS RESULTS
Check if any DTC is detected in “S elf Diagnostic Result” of “ICC/ADAS”.
Is any DTC detected?
YES >> Perform diagnosis on the detected DTC and repair or replace the malfunctioning parts. Refer to
CCS-50, "
DTC Index".
NO >> Replace the ICC sensor. Refer to CCS-176, "
Exploded View".
DTC Trouble diagnosis name DTC detecting condition Possible causes
U0104 ADAS CAN CIR 1 If ICC sensor detects an error signal that is re-
ceived from ADAS control unit via ITS commu-
nication ADAS control unit
Revision: 2010 May2011 QX56

CCS
U0121 VDC CAN 2CCS-133
< DTC/CIRCUIT DIAGNOSIS > [ICC]
C
D
E
F
G H
I
J
K L
M B
N P A
U0121 VDC CAN 2
ADAS CONTROL UNIT
ADAS CONTROL UNIT : DTC LogicINFOID:0000000006224382
DTC DETECTION LOGIC
NOTE:
If DTC “U0121” is detected along with DTC “U 1000”, first diagnose the DTC “U1000”. Refer to CCS-145,
"ADAS CONTROL UNIT : DTC Logic".
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Start the engine.
2. Turn the MAIN switch of ICC system ON.
3. Perform “All DTC Readi ng” with CONSULT-III.
4. Check if the “U0121” is detected as the current ma lfunction in “Self Diagnostic Result” of “ICC/ADAS”.
Is
“U0121” detected as the current malfunction?
YES >> Refer to CCS-133, "ADAS CONTROL UNIT : Diagnosis Procedure".
NO >> Refer to GI-40, "
Intermittent Incident".
ADAS CONTROL UNIT : Diagnosis ProcedureINFOID:0000000006224383
1.CHECK SELF-DIAGNOSIS RESULTS
Check if “U1000” is detected other than “U0121” in “Self Diagnostic Result” of “ICC/ADAS”.
Is
“U1000” detected?
YES >> Perform the CAN communicati on system inspection. Repair or replace the malfunctioning parts.
Refer to CCS-145, "
ADAS CONTROL UNIT : DTC Logic".
NO >> GO TO 2.
2.CHECK ABS ACTUATOR AND ELECTRIC UNIT (C ONTROL UNIT) SELF-DIAGNOSIS RESULTS
Check if any DTC is detected in “Self Diagnostic Result” of “ABS”.
Is any DTC detected?
YES >> Perform diagnosis on the detected DTC and repair or replace the malfunctioning parts. Refer to
BRC-51, "
DTC Index".
NO >> Replace the ADAS control unit. Refer to DAS-63, "
Removal and Installation".
ICC SENSOR
ICC SENSOR : DTC LogicINFOID:0000000006224384
DTC DETECTION LOGIC
NOTE:
If DTC “U0121” is detected along with DTC “U1000”, first diagnose the DTC “U1000”. Refer to CCS-145, "
ICC
SENSOR : DTC Logic".
DTC
(On board dis- play) Trouble diagnosis name DTC detecting condition Possible causes
U0121 (127) VDC CAN CIR2 If ADAS control unit detects an error signal
that is received from
ABS actuator and electric
unit (control unit) via CAN communication ABS actuator and electric unit (control
unit)
DTC Trouble diagnosis name DTC detecting condition Possible causes
U0121 VDC CAN CIR2 If ICC sensor detects an error signal that is re-
ceived from ABS actuator
and electric unit
(control unit) via ADAS control unit ABS actuator and electric unit (control
unit)
Revision: 2010 May2011 QX56

CCS-134
< DTC/CIRCUIT DIAGNOSIS >[ICC]
U0121 VDC CAN 2
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Start the engine.
2. Turn the MAIN switch of ICC system ON.
3. Perform “All DTC Reading” with CONSULT-III.
4. Check if the “U0121” is detected as the current malfunction in “Self Diagnostic Result” of “LASER”.
Is
“U0121” detected as the current malfunction?
YES >> Refer to CCS-134, "ICC SENSOR : Diagnosis Procedure".
NO >> Refer to GI-40, "
Intermittent Incident".
ICC SENSOR : Diagnosis ProcedureINFOID:0000000006224385
1.CHECK ICC SENSOR SELF-DIAGNOSIS RESULTS
Check if “U1000” is detected other than “U0121” in “Self Diagnostic Result” of “LASER”.
Is
“U1000” detected?
YES >> Perform the CAN communication system inspecti on. Repair or replace the malfunctioning parts.
Refer to CCS-145, "
ICC SENSOR : DTC Logic".
NO >> GO TO 2.
2.CHECK ADAS CONTROL UNIT SE LF-DIAGNOSIS RESULTS
Check if any DTC is detected in “S elf Diagnostic Result” of “ICC/ADAS”.
Is any DTC detected?
YES >> Perform diagnosis on the detected DTC and repair or replace the malfunctioning parts. Refer to
CCS-145, "
ADAS CONTROL UNIT : DTC Logic".
NO >> Replace the ICC sensor. Refer to CCS-176, "
Exploded View".
Revision: 2010 May2011 QX56

CCS
U0126 STRG SEN CAN 1CCS-135
< DTC/CIRCUIT DIAGNOSIS > [ICC]
C
D
E
F
G H
I
J
K L
M B
N P A
U0126 STRG SEN CAN 1
ADAS CONTROL UNIT
ADAS CONTROL UNIT : DTC LogicINFOID:0000000006224386
DTC DETECTION LOGIC
NOTE:
If DTC “U0126” is detected along with DTC “U 1000”, first diagnose the DTC “U1000”. Refer to CCS-145,
"ADAS CONTROL UNIT : DTC Logic".
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Start the engine.
2. Turn the MAIN switch of ICC system ON.
3. Perform “All DTC Readi ng” with CONSULT-III.
4. Check if the “U0126” is detected as the current ma lfunction in “Self Diagnostic Result” of “ICC/ADAS”.
Is
“U0126” detected as the current malfunction?
YES >> Refer to CCS-135, "ADAS CONTROL UNIT : Diagnosis Procedure".
NO >> Refer to GI-40, "
Intermittent Incident".
ADAS CONTROL UNIT : Diagnosis ProcedureINFOID:0000000006224387
1.CHECK SELF-DIAGNOSIS RESULTS
Check if “U1000” is detected other than “U0126” in “Self Diagnostic Result” of “ICC/ADAS”.
Is
“U1000” detected?
YES >> Perform the CAN communicati on system inspection. Repair or replace the malfunctioning parts.
Refer to CCS-145, "
ADAS CONTROL UNIT : DTC Logic".
NO >> GO TO 2.
2.CHECK ABS ACTUATOR AND ELECTRIC UNIT (C ONTROL UNIT) SELF-DIAGNOSIS RESULTS
Check if any DTC is detected in “Self Diagnostic Result” of “ABS”.
Is any DTC detected?
YES >> Perform diagnosis on the detected DTC and repair or replace the malfunctioning parts. Refer to
BRC-51, "
DTC Index".
NO >> Replace the ADAS control unit. Refer to DAS-63, "
Removal and Installation".
ICC SENSOR
ICC SENSOR : DTC LogicINFOID:0000000006224388
DTC DETECTION LOGIC
NOTE:
If DTC “U0126” is detected along with DTC “U1000”, first diagnose the DTC “U1000”. Refer to CCS-145, "
ICC
SENSOR : DTC Logic".
DTC
(On board dis- play) Trouble diagnosis name DTC detecting condition Possible causes
U0126 (130) STRG SEN CAN CIR1 If ADAS control unit detects an error signal
that is received from steering angle sensor via
CAN communication Steering angle sensor
DTC Trouble diagnosis name DTC detecting condition Possible causes
U0126 STRG SEN CAN CIR1 If ICC sensor detects an error signal that is re-
ceived from steering angle sensor via ADAS
control unit Steering angle sensor
Revision: 2010 May2011 QX56