2011 INFINITI QX56 Factory Service Manual

oil capacities warning bonnet seat adjustment center console coolant level

Page 817 of 5598

INFINITI QX56 2011 Factory Service Manual
CCS-82
< BASIC INSPECTION >[ICC]
ACTION TEST
tem deactivation when pushing up the RESUME/ACCELERA
TE switch at the vehicle speed of approxi-
mately 40 km/h (25 MPH) or more.
>> INSPECTION END
Revisi

Page 818 of 5598

INFINITI QX56 2011 Factory Service Manual
CCS
C1A00 CONTROL UNITCCS-83
< DTC/CIRCUIT DIAGNOSIS > [ICC]
C
D
E
F
G H
I
J
K L
M B
N P A
DTC/CIRCUIT DIAGNOSIS
C1A00 CONTROL UNIT
ADAS CONTROL UNIT
ADAS CONTROL UNIT : DTC LogicINFOID:0000000006227

CCS
C1A00 CONTROL UNITCCS-83
< DTC/CIRCUIT DIAGNOSIS > [ICC]
C
D
E
F
G H
I
J
K L
M B
N P A
DTC/CIRCUIT DIAGNOSIS
C1A00 CONTROL UNIT
ADAS CONTROL UNIT
ADAS CONTROL UNIT : DTC LogicINFOID:0000000006227990
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Start the engine.
2. Perform “All DTC Readi ng” with CONSULT-III.
3. Check if the “C1A00” is detected as the current malfunction in “Self Diagnostic Result” of “ICC/ADAS”.
Is
“C1A00” detected as the current malfunction?
YES >> Refer to CCS-83, "ADAS CONTROL UNIT : Diagnosis Procedure".
NO >> INSPECTION END
ADAS CONTROL UNIT : Diagnosis ProcedureINFOID:0000000006227991
1.CHECK SELF-DIAGNOSIS RESULTS
Check if any DTC other than “C1A00” is detect ed 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
DAS-38, "
DTC Index".
NO >> Replace the ADAS control unit. Refer to DAS-63, "
Removal and Installation".
ICC SENSOR
ICC SENSOR : DTC LogicINFOID:0000000006224302
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Start the engine.
2. Perform “All DTC Reading” with CONSULT-III.
3. Check if the “C1A00” is detected as the current malfunction in “Self Diagnostic Result” of “LASER”.
Is
“C1A00” detected as the current malfunction?
YES >> Refer to CCS-83, "ICC SENSOR : Diagnosis Procedure".
NO >> INSPECTION END
ICC SENSOR : Diagnosis ProcedureINFOID:0000000006224303
1.CHECK SELF-DIAGNOSIS RESULTS
Check if any DTC other than “C1A00” is detec ted in “Self Diagnostic Result” of “LASER”.
DTC
(On board dis- play) Trouble diagnosis name DTC detecting condition Possible causes
C1A00 (0) CONTROL UNIT ADAS control unit inte
rnal malfunction ADAS control unit
DTC Trouble diagnosis name DTC detecting condition Possible causes
C1A00 CONTROL UNIT ICC sensor in ternal malfunction ICC sensor
Revision: 2010 May2011 QX56

Page 819 of 5598

INFINITI QX56 2011 Factory Service Manual
CCS-84
< DTC/CIRCUIT DIAGNOSIS >[ICC]
C1A00 CONTROL UNIT
Is any DTC detected?
YES >> Perform diagnosis on the detected DTC and repair
or replace the malfunctioning parts. Refer to
CCS-55, "
DTC Inde

Page 820 of 5598

INFINITI QX56 2011 Factory Service Manual
CCS
C1A01 POWER SUPPLY CIRCUIT 1, C1A02 POWER SUPPLY CIRCUIT 2
CCS-85
< DTC/CIRCUIT DIAGNOSIS > [ICC]
C
D
E
F
G H
I
J
K L
M B
N P A
C1A01 POWER SUPPLY CIRCUIT 1, C1A02 POWER SUPPLY CIRCUIT 2
ADAS CO

CCS
C1A01 POWER SUPPLY CIRCUIT 1, C1A02 POWER SUPPLY CIRCUIT 2
CCS-85
< DTC/CIRCUIT DIAGNOSIS > [ICC]
C
D
E
F
G H
I
J
K L
M B
N P A
C1A01 POWER SUPPLY CIRCUIT 1, C1A02 POWER SUPPLY CIRCUIT 2
ADAS CONTROL UNIT
ADAS CONTROL UNIT : DTC LogicINFOID:0000000006227992
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 “C1A01” or “C1A02” is detected as t he current malfunction in “Self Diagnostic Result” of “ICC/
ADAS”.
Is
“C1A01” or “C1A02” detected as the current malfunction?
YES >> Refer to CCS-85, "ADAS CONTROL UNIT : Diagnosis Procedure".
NO >> Refer to GI-40, "
Intermittent Incident".
ADAS CONTROL UNIT : Diagnosis ProcedureINFOID:0000000006227993
1.CHECK ADAS CONTROL UNIT PO WER SUPPLY AND GROUND CIRCUIT
Check power supply and ground circuit of ADAS control unit. Refer to DAS-62, "
Diagnosis Procedure".
Is the inspection result normal?
YES >> Replace the ADAS control unit. Refer to DAS-63, "Removal and Installation".
NO >> Repair or replace the malfunctioning parts.
ICC SENSOR
ICC SENSOR : DTC LogicINFOID:0000000006224306
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 Reading” with CONSULT-III.
4. Check if the “C1A01” or “C1A02” is detected as the current malfunction in “Self Diagnostic Result” of
“LASER”.
Is
“C1A01” or “C1A02” detected as the current malfunction?
YES >> Refer to CCS-86, "ICC SENSOR : Diagnosis Procedure".
DTC
(On board dis- play) Trouble diagnosis
name DTC detecting condition Possible causes
C1A01 (1) POWER SUPPLY
CIR The battery voltage sent to ADAS control unit re-
mains less than 7.9 V for 5 seconds
Connector, harness, fuse
ADAS control unit
C1A02
(2) POWER SUPPLY
CIR 2 The battery voltage sent to ADAS control unit re-
mains more than 19.3 V for 5 seconds
DTC
Trouble diagnosis
name DTC detecting condition Possible causes
C1A01 POWER SUPPLY
CIR The battery voltage sent to ICC sensor remains
less than 7.9 V for 5 seconds
Connector, harness, fuse
ICC sensor
C1A02 POWER SUPPLY
CIR 2 The battery voltage sent to ICC sensor remains
more than 19.3 V for 5 seconds
Revision: 2010 May2011 QX56

Page 821 of 5598

INFINITI QX56 2011 Factory Service Manual
CCS-86
< DTC/CIRCUIT DIAGNOSIS >[ICC]
C1A01 POWER SUPPLY CIRCUIT 1,
C1A02 POWER SUPPLY CIRCUIT 2
NO >> Refer to GI-40, "Intermittent Incident".
ICC SENSOR : Diagnosis ProcedureINFOID:000000000622430

Page 822 of 5598

INFINITI QX56 2011 Factory Service Manual
CCS
C1A03 VEHICLE SPEED SENSORCCS-87
< DTC/CIRCUIT DIAGNOSIS > [ICC]
C
D
E
F
G H
I
J
K L
M B
N P A
C1A03 VEHICLE SPEED SENSOR
DTC LogicINFOID:0000000006224308
DTC DETECTION LOGIC
NOTE:
If DTC “C1A0

CCS
C1A03 VEHICLE SPEED SENSORCCS-87
< DTC/CIRCUIT DIAGNOSIS > [ICC]
C
D
E
F
G H
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K L
M B
N P A
C1A03 VEHICLE SPEED SENSOR
DTC LogicINFOID:0000000006224308
DTC DETECTION LOGIC
NOTE:
If DTC “C1A03” is detected along with DTC “U1000” or “C1A04”, first diagnose the DTC “U1000” or “C1A04”.
Refer to CCS-145, "
ADAS CONTROL UNIT : DTC Logic" for DTC “U1000”.
Refer to CCS-89, "
DTC Logic" for DTC “C1A04”.
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Start the engine.
2. Turn the MAIN switch of ICC system ON.
3. Drive the vehicle at 30 km/h (19 MPH) or more. CAUTION:
Always drive safely.
4. Stop the vehicle.
5. Perform “All DTC Readi ng” with CONSULT-III.
6. Check if the “C1A03” is detected as the current malfunction in “Self Diagnostic Result” of “ICC/ADAS”.
Is
“C1A03” detected as the current malfunction?
YES >> Refer to CCS-87, "Diagnosis Procedure".
NO >> Refer to GI-40, "
Intermittent Incident".
Diagnosis ProcedureINFOID:0000000006224309
1.CHECK SELF-DIAGNOSIS RESULTS
Check if “C1A04” or “U1000” is detected other than “C1A03” 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-50, "
DTC Index".
NO >> GO TO 2.
2.CHECK DATA MONITOR
1. Start the engine.
2. Drive the vehicle.
3. Check that the value of “VHCL SPD AT” is almost the same as the value of “VHCL SPEED SE” in “DATA
MONITOR” of “ICC/ADAS”.
CAUTION:
Be careful of the vehicle speed.
Is the inspection result normal?
YES >> Replace the ADAS control unit. Refer to DAS-63, "Removal and Installation".
NO >> GO TO 3.
3.CHECK TCM SELF-DIAGNOSIS RESULTS
1. Perform “All DTC Reading”.
2. Check if any DTC is detected in “Sel f Diagnostic Result” of “TRANSMISSION”.
DTC
(On board
display) Trouble diagnosis
name DTC detecting condition Possible causes
C1A03 (3) VHCL SPEED SE
CIRC If the vehicle speed signal (wheel speed) from
ABS actuator and electric unit (control unit) and
the A/T vehicle speed sensor signal (output
shaft revolution signal) from TCM, received by
the ADAS control unit via CAN communication,
are inconsistent Wheel speed sensor
ABS actuator and electric unit (control
unit)
Vehicle speed sensor A/T (output speed sensor)
TCM
ADAS control unit
Revision: 2010 May2011 QX56

Page 823 of 5598

INFINITI QX56 2011 Factory Service Manual
CCS-88
< DTC/CIRCUIT DIAGNOSIS >[ICC]
C1A03 VEHICLE SPEED SENSOR
Is any DTC detected?
YES >> Perform diagnosis on the detected DTC and repair
or replace the malfunctioning parts. Refer to
TM-78, "
D

Page 824 of 5598

INFINITI QX56 2011 Factory Service Manual
CCS
C1A04 ABS/TCS/VDC SYSTEM
CCS-89
< DTC/CIRCUIT DIAGNOSIS > [ICC]
C
D
E
F
G H
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K L
M B
N P A
C1A04 ABS/TCS/VDC SYSTEM
DTC LogicINFOID:0000000006224310
DTC DETECTION LOGIC
NOTE:
If DTC “C1A04�

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