2011 INFINITI QX56 Factory Service Manual

adding oil oil level radiator ad blue height adjustment manual transmission

Page 841 of 5598

INFINITI QX56 2011 Factory Service Manual
CCS-106
< DTC/CIRCUIT DIAGNOSIS >[ICC]
C1A16 RADAR STAIN
C1A16 RADAR STAIN
ADAS CONTROL UNIT
ADAS CONTROL UNIT : DTC LogicINFOID:0000000006224331
DTC DETECTION LOGIC
NOTE:
DTC “C1A16” may be dete

CCS-106
< DTC/CIRCUIT DIAGNOSIS >[ICC]
C1A16 RADAR STAIN
C1A16 RADAR STAIN
ADAS CONTROL UNIT
ADAS CONTROL UNIT : DTC LogicINFOID:0000000006224331
DTC DETECTION LOGIC
NOTE:
DTC “C1A16” may be detected under the following conditi
ons. (Explain to the customer about the difference
between the contamination detection function and the indication when the malfunction is detected and tell
them “This is not malfunction”.)
When contamination or foreign materi als adhere to the ICC sensor body window
When driving while it is snowing or w hen frost forms on the ICC sensor body window
When ICC sensor body window is temporarily fogged
ADAS CONTROL UNIT : Diagnosis ProcedureINFOID:0000000006224332
1.CHECK ICC SENSOR SELF-DIAGNOSIS RESULTS
1. Perform “All DTC Reading” with CONSULT-III.
2. Check if the “C1A16” is detected as the current malfunction in “Self Diagnostic Result” of “LASER”.
Is
“C1A16”detected?
YES >> Refer to CCS-106, "ICC SENSOR : DTC Logic".
NO >> GO TO 2.
2.CHECK ADAS CONTROL UNIT SE LF-DIAGNOSIS RESULTS
1. Erase All self-diagnosis results with CONSULT-III.
2. Perform “All DTC Reading”
3. Check if the “C1A16” is detected as the current malfunction in “Self Diagnostic Result” of “ICC/ADAS”.
Is
“C1A16”detected?
YES >> Replace ADAS control unit. Refer to DAS-63, "Removal and Installation".
NO >> INSPECTION END
ICC SENSOR
ICC SENSOR : DTC LogicINFOID:0000000006224333
DTC DETECTION LOGIC
NOTE:
DTC “C1A16” may be detected under the following conditi ons. (Explain to the customer about the difference
between the contamination detection function and the indication when the malfunction is detected and tell
them “This is not malfunction”.)
When contamination or foreign materi als adhere to the ICC sensor body window
When driving while it is snowing or w hen frost forms on the ICC sensor body window
When ICC sensor body window is temporarily fogged
DTC
(On board dis- play) Trouble diagnosis
name DTC detecting condition Possible causes
C1A16 (16) RADAR STAIN If any stain occurs
to ICC sensor body window Stain or foreign materials is deposit-
ed
Cracks or scratches exist
DTC Trouble diagnosis
name DTC detecting condition Possible causes
C1A16 RADAR STAIN If any stain occurs to ICC sensor body window Stain or foreign materials is deposit-
ed
Cracks or scratches exist
Revision: 2010 May2011 QX56

Page 842 of 5598

INFINITI QX56 2011 Factory Service Manual
CCS
C1A16 RADAR STAINCCS-107
< DTC/CIRCUIT DIAGNOSIS > [ICC]
C
D
E
F
G H
I
J
K L
M B
N P A
ICC SENSOR : Diagnosis ProcedureINFOID:0000000006224334
1.VISUAL CHECK 1
Check ICC sensor body window for c

Page 843 of 5598

INFINITI QX56 2011 Factory Service Manual
CCS-108
< DTC/CIRCUIT DIAGNOSIS >[ICC]
C1A17 ICC SENSOR
C1A17 ICC SENSOR
DTC LogicINFOID:0000000006224335
DTC DETECTION LOGIC
NOTE:
If DTC “C1A17” is detected along with DTC “U
1000”, first d

Page 844 of 5598

INFINITI QX56 2011 Factory Service Manual
CCS
C1A18 LASER AIMING INCMPCCS-109
< DTC/CIRCUIT DIAGNOSIS > [ICC]
C
D
E
F
G H
I
J
K L
M B
N P A
C1A18 LASER AIMING INCMP
ADAS CONTROL UNIT
ADAS CONTROL UNIT : DTC LogicINFOID:0000000006224337
DTC D

CCS
C1A18 LASER AIMING INCMPCCS-109
< DTC/CIRCUIT DIAGNOSIS > [ICC]
C
D
E
F
G H
I
J
K L
M B
N P A
C1A18 LASER AIMING INCMP
ADAS CONTROL UNIT
ADAS CONTROL UNIT : DTC LogicINFOID:0000000006224337
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 “C1A18” is detected as the current malfunction in “Self Diagnostic Result” of “ICC/ADAS”.
Is
“C1A18” detected as the current malfunction?
YES >> Refer to CCS-109, "ADAS CONTROL UNIT : Diagnosis Procedure".
NO >> INSPECTION END
ADAS CONTROL UNIT : Diagnosis ProcedureINFOID:0000000006224338
1.ADJUST LASER BEAM AIMING
Check if the “C1A18” is detected in “Self Diagnostic Result” of “LASER”.
Is
“C1A18” detected?
YES >> Refer to CCS-109, "ICC SENSOR : DTC Logic".
NO >> Replace the ADAS control unit. Refer to DAS-63, "
Removal and Installation".
ICC SENSOR
ICC SENSOR : DTC LogicINFOID:0000000006224339
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 “C1A18” is detected as the current malfunction in “Self Diagnostic Result” of “LASER”.
Is
“C1A18” detected as the current malfunction?
YES >> Refer to CCS-110, "ICC SENSOR : Diagnosis Procedure".
NO >> INSPECTION END
DTC
(On board dis- play) Trouble diagnosis
name DTC detecting condition Possible causes
C1A18 (18) LASER AIMING IN-
CMP
Laser beam aiming of ICC sensor is not adjusted No laser beam aiming adjustment is
performed
Laser beam aiming adjustment has been interrupted
DTC Trouble diagnosis
name DTC detecting condition Possible causes
C1A18 LASER AIMING IN-
CMP Laser beam aiming of ICC sensor is not adjusted No laser beam aiming adjustment is
performed
Laser beam aiming adjustment has
been interrupted
Revision: 2010 May2011 QX56

Page 845 of 5598

INFINITI QX56 2011 Factory Service Manual
CCS-110
< DTC/CIRCUIT DIAGNOSIS >[ICC]
C1A18 LASER AIMING INCMP
ICC SENSOR : Diagnosis Procedure
INFOID:0000000006224340
1.ADJUST LASER BEAM AIMING
1. Adjust the laser beam aiming. Refer to CCS-72,

Page 846 of 5598

INFINITI QX56 2011 Factory Service Manual
CCS
C1A21 UNIT HIGH TEMPCCS-111
< DTC/CIRCUIT DIAGNOSIS > [ICC]
C
D
E
F
G H
I
J
K L
M B
N P A
C1A21 UNIT HIGH TEMP
ADAS CONTROL UNIT
ADAS CONTROL UNIT : DTC LogicINFOID:0000000006224341
DTC DETECTION

CCS
C1A21 UNIT HIGH TEMPCCS-111
< DTC/CIRCUIT DIAGNOSIS > [ICC]
C
D
E
F
G H
I
J
K L
M B
N P A
C1A21 UNIT HIGH TEMP
ADAS CONTROL UNIT
ADAS CONTROL UNIT : DTC LogicINFOID:0000000006224341
DTC DETECTION LOGIC
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Turn the ignition switch OFF.
2. Wait for 10 minutes or more to cool the ICC sensor.
3. Start the engine.
4. Turn the MAIN switch of ICC system ON.
5. Perform “All DTC Readi ng” with CONSULT-III.
6. Check if the “C1A21” is detected as the current malfunction in “Self Diagnostic Result” of “ICC/ADAS”.
Is
“C1A21” detected as the current malfunction?
YES >> Refer to CCS-111, "ADAS CONTROL UNIT : Diagnosis Procedure".
NO >> Refer to GI-40, "
Intermittent Incident".
ADAS CONTROL UNIT : Diagnosis ProcedureINFOID:0000000006224342
1.CHECK SELF-DIAGNOSIS RESULTS
Check if “C1A21” is detected in “S elf Diagnostic Result” of “LASER”.
Is
“C1A21” detected?
YES >> Perform diagnosis on the detected DTC and repair or replace the malfunctioning parts. Refer to
CCS-111, "
ICC SENSOR : DTC Logic".
NO >> Replace the ADAS control unit. Refer to DAS-63, "
Removal and Installation".
ICC SENSOR
ICC SENSOR : DTC LogicINFOID:0000000006224343
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Turn the ignition switch OFF.
2. Wait for 10 minutes or more.
3. Start the engine.
4. Turn the MAIN switch of ICC system ON.
5. Perform “All DTC Readi ng” with CONSULT-III.
6. Check if the “C1A21” is detected as the current malfunction in “Self Diagnostic Result” of “LASER”.
Is
“C1A21” detected as the current malfunction?
YES >> Refer to CCS-111, "ADAS CONTROL UNIT : Diagnosis Procedure".
NO >> Refer to GI-40, "
Intermittent Incident".
DTC
(On board dis- play) Trouble diagnosis
name DTC detecting condition Possible causes
C1A21 (21) ICC SENSOR HIGH
TEMP
ICC sensor judges high temperature abnormality Temperature around the ICC sensor
becomes high
DTC
Trouble diagnosis
name DTC detecting condition Possible causes
C1A21 UNIT HIGH TEMP Temperature detected by the temperature sensor
integrated in ICC sensor remains less than -45
°C
(-49 °F) or more than 105 °C (221 °F) for 5 sec-
onds or more Temperature around the ICC sensor
becomes extremely low or high
Revision: 2010 May2011 QX56

Page 847 of 5598

INFINITI QX56 2011 Factory Service Manual
CCS-112
< DTC/CIRCUIT DIAGNOSIS >[ICC]
C1A21 UNIT HIGH TEMP
ICC SENSOR : Diagnosis Procedure
INFOID:0000000006224344
1.CHECK ENGINE COOLING SYSTEM
Check for any malfunctions in engine cooling system.

Page 848 of 5598

INFINITI QX56 2011 Factory Service Manual
CCS
C1A24 NP RANGECCS-113
< DTC/CIRCUIT DIAGNOSIS > [ICC]
C
D
E
F
G H
I
J
K L
M B
N P A
C1A24 NP RANGE
DTC LogicINFOID:0000000006224345
DTC DETECTION LOGIC
NOTE:
If DTC “C1A24” is detected along

CCS
C1A24 NP RANGECCS-113
< DTC/CIRCUIT DIAGNOSIS > [ICC]
C
D
E
F
G H
I
J
K L
M B
N P A
C1A24 NP RANGE
DTC LogicINFOID:0000000006224345
DTC DETECTION LOGIC
NOTE:
If DTC “C1A24” 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.CHECK DTC REPRODUCE (1)
1. Start the engine.
2. Turn the MAIN switch of ICC system ON.
3. Wait for approximately 5 minutes or more afte r shifting the selector lever to “P” position.
4. Perform “All DTC Readi ng” with CONSULT-III.
5. Check if the “C1A24” is detected as the current malfunction in “Self Diagnostic Result” of “ICC/ADAS”.
Is
“C1A24” detected as the current malfunction?
YES >> Refer to CCS-113, "Diagnosis Procedure".
NO >> GO TO 2.
2.CHECK DTC REPRODUCE (2)
1. Wait for approximately 5 minutes or more afte r shifting the selector lever to “N” position.
2. Perform “All DTC Reading”.
3. Check if the “C1A24” is detected as the current malfunction in “Self Diagnostic Result” of “ICC/ADAS”.
Is
“C1A24” detected as the current malfunction?
YES >> Refer to CCS-113, "Diagnosis Procedure".
NO >> Refer to GI-40, "
Intermittent Incident".
Diagnosis ProcedureINFOID:0000000006224346
1.CHECK SELF-DIAGNOSIS RESULTS
Check if “U1000” is detected other than “C1A24” 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 NP POSITION SWITCH SIGNAL
Check that “NP RANGE SW” operates normally in “DATA MONITOR” of “ICC/ADAS”.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Replace the ADAS control unit. Refer to DAS-63, "
Removal and Installation".
3.CHECK TCM DATA MONITOR
Check that “SLCT LVR POSI” operates normall y in “DATA MONITOR” of “TRANSMISSION”.
Is the inspection result normal?
YES >> Replace the ADAS control unit. Refer to DAS-63, "Removal and Installation".
NO >> GO TO 4.
DTC
(On board dis-
play) Trouble diagnosis name DTC detecting condition Possible causes
C1A24 (24) NP RANGE A mismatch between a shift position signal
transmitted from TCM via CAN communica-
tion and an current gear position signal contin-
ues for 60 seconds or more TCM
Transmission range switch
Revision: 2010 May2011 QX56

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