engine INFINITI QX56 2011 Factory Service Manual

DAS-360
< DTC/CIRCUIT DIAGNOSIS >[LDW & LDP]
C1A50 ADAS CONTROL UNIT
C1A50 ADAS CONTROL UNIT
DTC LogicINFOID:0000000006223761
DTC DETECTION LOGIC
NOTE:
If DTC “C1A50” is detected along with DTC “U
1000”, first diagnose the DTC “U1000”. Refer to DAS-374,
"ADAS CONTROL UNIT : DTC Logic".
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Start the engine.
2. Turn the LDP 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 “LANE CAM-
ERA”.
Is
“C1A50” detected as the current malfunction?
YES >> Refer to DAS-360, "Diagnosis Procedure".
NO >> Refer to GI-40, "
Intermittent Incident".
Diagnosis ProcedureINFOID:0000000006223762
1.CHECK LANE CAMERA UNIT SELF-DIAGNOSIS RESULTS
Check if “U1000” is detected other than “C1A50” in “Self Diagnostic Result” of “LANE CAMERA”.
Is
“U1000” detected?
YES >> Perform the CAN communication system inspecti on. Repair or replace the malfunctioning parts.
Refer to DAS-374, "
LANE CAMERA UNIT : 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
DAS-310, "
DTC Index".
NO >> Replace the lane camera unit. Refer to DAS-403, "
Removal and Installation".
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

DAS
C1B00 CAMERA UNIT MALFDAS-361
< DTC/CIRCUIT DIAGNOSIS > [LDW & LDP]
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C1B00 CAMERA UNIT MALF
ADAS CONTROL UNIT
ADAS CONTROL UNIT : DTC LogicINFOID:0000000006223763
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 “C1B00” is detected as the current malfunction in “Self Diagnostic Result” of “ICC/ADAS”.
Is
“C1B00” detected as the current malfunction?
YES >> Refer to DAS-361, "ADAS CONTROL UNIT : Diagnosis Procedure".
NO >> INSPECTION END
ADAS CONTROL UNIT : Diagnosis ProcedureINFOID:0000000006223764
1.CHECK SELF-DIAGNOSIS RESULTS
Check if “C1B00” is detected in “Sel f Diagnostic Result” of “LANE CAMERA”.
Is
“C1B00” detected?
YES >> Refer to DAS-361, "LANE CAMERA UNIT : DTC Logic"
NO >> Replace the ADAS control unit. Refer to DAS-63, "Removal and Installation".
LANE CAMERA UNIT
LANE CAMERA UNIT : DTC LogicINFOID:0000000006223765
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 “C1B00” is detected as the current malfunction in “Self Diagnostic Result” of “LANE CAM-
ERA”.
Is
“C1B00” detected as the current malfunction?
YES >> Refer to DAS-361, "ADAS CONTROL UNIT : Diagnosis Procedure".
NO >> INSPECTION END
LANE CAMERA UNIT : Diagnosis ProcedureINFOID:0000000006223766
1.CHECK SELF-DIAGNOSIS RESULTS
Check if any DTC other than “C1B00” is detect ed in “Self Diagnostic Result” of “LANE CAMERA”.
Is any DTC detected?
DTC
(On board
display) Trouble diagnosis name DTC detecting condition Possible causes
C1B00 (81) CAMERA UNIT MALF If lane camera unit is malfunctioning Lane camera unit
DTC Trouble diagnosis name DTC detecting condition Possible causes
C1B00 CAMERA UNIT MALF If lane camera unit is malfunctioning Lane camera unit
Revision: 2010 May2011 QX56

DAS
C1B01 CAM AIMING INCMPDAS-363
< DTC/CIRCUIT DIAGNOSIS > [LDW & LDP]
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C1B01 CAM AIMING INCMP
ADAS CONTROL UNIT
ADAS CONTROL UNIT : DTC LogicINFOID:0000000006223767
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Start the engine.
2. Operate the LDP system and drive. CAUTION:
Always drive safely.
3. Perform “All DTC Readi ng” with CONSULT-III.
4. Check if the “C1B01” is detected as the current malfunction in “Self Diagnostic Result” of “ICC/ADAS”.
Is
“C1B01” detected as the current malfunction?
YES >> Refer to DAS-363, "ADAS CONTROL UNIT : Diagnosis Procedure".
NO >> Refer to GI-40, "
Intermittent Incident".
ADAS CONTROL UNIT : Diagnosis ProcedureINFOID:0000000006223768
1.CHECK SELF-DIAGNOSIS RESULTS
Check if “C1B01” is detected in “Sel f Diagnostic Result” of “LANE CAMERA”.
Is
“C1B01” detected?
YES >> Refer to DAS-363, "LANE CAMERA UNIT : DTC Logic"
NO >> GO TO 2.
2.CHECK DATA MONITOR
1. Start the engine.
2. Check that “OK” is indicated for the value of “AIMING RESULT” in “DATA MONITOR” of “LANE CAM-
ERA”.
Is
“OK” indicated?
YES >> Replace the ADAS control unit. Refer to DAS-63, "Removal and Installation".
NO >> Replace the lane camera unit. Refer to DAS-403, "
Removal and Installation".
LANE CAMERA UNIT
LANE CAMERA UNIT : DTC LogicINFOID:0000000006223769
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
DTC
(On board
display) Trouble diagnosis name DTC detecting condition Possible causes
C1B01 (82) CAM AIMING INCMP Camera ai
ming is not completed Lane camera aiming is not ad-
justed
 Lane camera aiming adjustment
has been interrupted
DTC Trouble diagnosis name DTC detecting condition Possible causes
C1B01 CAM AIMING I NCMP Camera aiming is not completed  Lane camera aiming is not ad-
justed
 Lane camera aiming adjustment has been interrupted
Revision: 2010 May2011 QX56

DAS-364
< DTC/CIRCUIT DIAGNOSIS >[LDW & LDP]
C1B01 CAM AIMING INCMP
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Start the engine.
2. Perform “All DTC Reading” with CONSULT-III.
3. Check if the “C1B01” is detected as the current malfunction in “Self Diagnostic Result” of “LANE CAM-
ERA”.
Is
“C1B01” detected as the current malfunction?
YES >> Refer to DAS-364, "LANE CAMERA UNIT : Diagnosis Procedure".
NO >> Refer to GI-40, "
Intermittent Incident".
LANE CAMERA UNIT : Diagnosis ProcedureINFOID:0000000006223770
1.CAMERA AIMING ADJUSTMENT
1. Perform the camera aiming. Refer to DAS-340, "
Description".
2. Erase all self-diagnosis results with CONSULT-III.
3. Perform “All DTC Reading”.
4. Check if the “C1B01” is detected in “Self Diagnostic Result” of “LANE CAMERA”.
Is
“C1B01” detected?
YES >> Replace the lane camera unit. Refer to DAS-403, "Removal and Installation".
NO >> INSPECTION END
Revision: 2010 May2011 QX56

DAS-366
< DTC/CIRCUIT DIAGNOSIS >[LDW & LDP]
U0104 ADAS CAN 1
U0104 ADAS CAN 1
DTC LogicINFOID:0000000006223775
DTC DETECTION LOGIC
NOTE:
If DTC “U0104” is detected along with DTC “U
1000”, first diagnose the DTC “U1000”. Refer to DAS-374,
"LANE CAMERA UNIT : DTC Logic".
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Start the engine.
2. Turn the LDP 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 “LANE CAM-
ERA”.
Is
“U0104” detected as the current malfunction?
YES >> Refer to DAS-366, "Diagnosis Procedure".
NO >> Refer to GI-40, "
Intermittent Incident".
Diagnosis ProcedureINFOID:0000000006223776
1.CHECK LANE CAMERA UNIT SELF-DIAGNOSIS RESULTS
Check if “U1000” is detected ot her than “U0104” in “Self Diagnostic Result” of “LANE CAMERA”.
Is
“U1000” detected?
YES >> Perform the CAN communication system inspecti on. Repair or replace the malfunctioning parts.
Refer to DAS-374, "
LANE CAMERA UNIT : 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
DAS-310, "
DTC Index".
NO >> Replace the lane camera unit. Refer to DAS-403, "
Removal and Installation".
DTC Trouble diagnosis name DTC detecting condition Possible causes
U0104 ADAS CAN CIR 1 If lane camera unit detects an error signal that
is received from ADAS control unit via ITS
communication ADAS control unit
Revision: 2010 May2011 QX56

DAS
U0121 VDC CAN 2DAS-367
< DTC/CIRCUIT DIAGNOSIS > [LDW & LDP]
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U0121 VDC CAN 2
DTC LogicINFOID:0000000006228202
DTC DETECTION LOGIC
NOTE:
If DTC “U0121” is detected along with DTC “U 1000”, first diagnose the DTC “U1000”. Refer to DAS-182,
"ADAS CONTROL UNIT : DTC Logic".
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Start the engine.
2. Turn the LDP 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 DAS-367, "Diagnosis Procedure".
NO >> Refer to GI-40, "
Intermittent Incident".
Diagnosis ProcedureINFOID:0000000006228203
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 DAS-374, "
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".
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)
Revision: 2010 May2011 QX56

DAS-368
< DTC/CIRCUIT DIAGNOSIS >[LDW & LDP]
U0126 STRG SEN CAN 1
U0126 STRG SEN CAN 1
DTC LogicINFOID:0000000006223779
DTC DETECTION LOGIC
NOTE:
If DTC “U0126” is detected along with DTC “U
1000”, first diagnose the DTC “U1000”. Refer to DAS-374,
"ADAS CONTROL UNIT : DTC Logic".
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Start the engine.
2. Turn the LDP system ON.
3. Perform “All DTC Reading” with CONSULT-III.
4. Check if the “U0126” is detected as the current malfunction in “Self Diagnostic Result” of “LANE CAM-
ERA”.
Is
“U0126” detected as the current malfunction?
YES >> Refer to DAS-368, "Diagnosis Procedure".
NO >> Refer to GI-40, "
Intermittent Incident".
Diagnosis ProcedureINFOID:0000000006223780
1.CHECK SELF-DIAGNOSIS RESULTS
Check if “U1000” is detected ot her than “U0126” in “Self Diagnostic Result” of “LANE CAMERA”.
Is
“U1000” detected?
YES >> Perform the CAN communication system inspecti on. Repair or replace the malfunctioning parts.
Refer to DAS-374, "
LANE CAMERA UNIT : 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
DAS-310, "
DTC Index".
NO >> Replace the lane camera unit. Refer to DAS-403, "
Removal and Installation".
DTC Trouble diagnosis name DTC detecting condition Possible causes
U0126 STRG SEN CAN CIR1 If lane camera unit detects an error signal that
is received from steering angle sensor via
ADAS control unit Steering angle sensor
Revision: 2010 May2011 QX56

DAS
U0401 ECM CAN 1DAS-369
< DTC/CIRCUIT DIAGNOSIS > [LDW & LDP]
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U0401 ECM CAN 1
DTC LogicINFOID:0000000006228204
DTC DETECTION LOGIC
NOTE:
If DTC “U0401” is detected along with DTC “U 1000”, first diagnose the DTC “U1000”. Refer to DAS-374,
"ADAS CONTROL UNIT : DTC Logic".
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Start the engine.
2. Turn the LDP system ON.
3. Perform “All DTC Readi ng” with CONSULT-III.
4. Check if the “U0401” is detected as the current ma lfunction in “Self Diagnostic Result” of “ICC/ADAS”.
Is
“U0401” detected as the current malfunction?
YES >> Refer to DAS-369, "Diagnosis Procedure".
NO >> Refer to GI-40, "
Intermittent Incident".
Diagnosis ProcedureINFOID:0000000006228205
1.CHECK SELF-DIAGNOSIS RESULTS
Check if “U1000” is detected other than “U0401” 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 DAS-374, "
ADAS CONTROL UNIT : DTC Logic".
NO >> GO TO 2.
2.CHECK ECM SELF-DIAGNOSIS RESULTS
Check if any DTC is detected in “S elf Diagnostic Result” of “ENGINE”.
Is any DTC detected?
YES >> Perform diagnosis on the detected DTC and repair or replace the malfunctioning parts. Refer to
EC-98, "
DTC Index".
NO >> Replace the ADAS control unit. Refer to DAS-63, "
Removal and Installation".
DTC
(On board
display) Trouble diagnosis name DTC detecting condition Possible causes
U0401 (120) ECM CAN CIR1 If ADAS control unit detects an error signal
that is received from ECM via CAN communi-
cation
ECM
Revision: 2010 May2011 QX56

DAS-370
< DTC/CIRCUIT DIAGNOSIS >[LDW & LDP]
U0402 TCM CAN 1
U0402 TCM CAN 1
DTC LogicINFOID:0000000006228206
DTC DETECTION LOGIC
NOTE:
If DTC “U0402” is detected along with DTC “U
1000”, first diagnose the DTC “U1000”. Refer to DAS-374,
"ADAS CONTROL UNIT : DTC Logic".
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Start the engine.
2. Turn the LDP system ON.
3. Perform “All DTC Reading” with CONSULT-III.
4. Check if the “U0402” is detected as the current ma lfunction in “Self Diagnostic Result” of “ICC/ADAS”.
Is
“U0402” detected as the current malfunction?
YES >> Refer to DAS-370, "Diagnosis Procedure".
NO >> Refer to GI-40, "
Intermittent Incident".
Diagnosis ProcedureINFOID:0000000006228207
1.CHECK SELF-DIAGNOSIS RESULTS
Check if “U1000” is detected ot her than “U0402” 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 DAS-374, "
ADAS CONTROL UNIT : DTC Logic".
NO >> GO TO 2.
2.CHECK TCM SELF-DIAGNOSIS RESULTS
Check if any DTC is detected in “Sel f Diagnostic Result” of “TRANSMISSION”.
Is any DTC detected?
YES >> Perform diagnosis on the detected DTC and repair or replace the malfunctioning parts. Refer to
TM-78, "
DTC Index".
NO >> Replace the ADAS control unit. Refer to DAS-63, "
Removal and Installation".
DTC
(On board dis-
play) Trouble diagnosis
name DTC detecting condition Possible causes
U0402 (122) TCM CAN CIRC1 If ADAS control unit detects an error signal
that is received from TCM via CAN communi-
cation
TCM
Revision: 2010 May2011 QX56

DAS
U0405 ADAS CAN 2DAS-371
< DTC/CIRCUIT DIAGNOSIS > [LDW & LDP]
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U0405 ADAS CAN 2
DTC LogicINFOID:0000000006223785
DTC DETECTION LOGIC
NOTE:
If DTC “U0405” is detected along with DTC “U 1000”, first diagnose the DTC “U1000”. Refer to DAS-374,
"ADAS CONTROL UNIT : DTC Logic".
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Start the engine.
2. Turn the LDP system ON.
3. Perform “All DTC Readi ng” with CONSULT-III.
4. Check if the “U0405” is detected as the current malfunction in “Self Diagnostic Result” of “LANE CAM-
ERA”.
Is
“U0405” detected as the current malfunction?
YES >> Refer to DAS-371, "Diagnosis Procedure".
NO >> Refer to GI-40, "
Intermittent Incident".
Diagnosis ProcedureINFOID:0000000006223786
1.CHECK LANE CAMERA UNIT SELF-DIAGNOSIS RESULTS
Check if “U1000” is detected other than “U0405” in “Self Diagnostic Result” of “LANE CAMERA”.
Is
“U1000” detected?
YES >> Perform the CAN communicati on system inspection. Repair or replace the malfunctioning parts.
Refer to DAS-374, "
LANE CAMERA UNIT : 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
DAS-310, "
DTC Index".
NO >> Replace the lane camera unit. Refer to DAS-403, "
Removal and Installation".
DTC Trouble diagnosis name DTC detecting condition Possible causes
U0405 ADAS CAN CIR 2 If lane camera unit detects an error signal that
is received from ADAS control unit via ITS
communication ADAS control unit
Revision: 2010 May2011 QX56