2011 INFINITI QX56 Factory Service Manual

sport mode headlight bulb fuse change key battery hood open drain bolt

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INFINITI QX56 2011 Factory Service Manual
DAS-356
< DTC/CIRCUIT DIAGNOSIS >[LDW & LDP]
C1A15 GEAR POSITION
C1A15 GEAR POSITION
DescriptionINFOID:0000000006228197
ADAS control unit judges the gear pos
ition based on the following signals.

DAS-356
< DTC/CIRCUIT DIAGNOSIS >[LDW & LDP]
C1A15 GEAR POSITION
C1A15 GEAR POSITION
DescriptionINFOID:0000000006228197
ADAS control unit judges the gear pos
ition based on the following signals.
Current gear position signal transmitt ed from TCM via CAN communication.
Value of gear ratio calculated from input speed signal transmitted from TCM via CAN communication.
Value of gear ratio calculated from the vehicle speed signal transmitted from ABS actuator and electric unit
(control unit) via CAN communication.
DTC LogicINFOID:0000000006228198
DTC DETECTION LOGIC
NOTE:
If DTC “C1A15” is detected along with DTC “U1000”, “C1A03”, or “C1A04”, first diagnose the DTC “U1000”,
“C1A03”, or “C1A04”.
Refer to DAS-374, "
ADAS CONTROL UNIT : DTC Logic" for DTC “U1000”.
Refer to DAS-347, "
DTC Logic" for DTC “C1A03”.
Refer to DAS-348, "
DTC Logic" for DTC “C1A04”.
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Start the engine.
2. Turn the LDP system ON.
3. Drive the vehicle at 10 km/h (6 MPH) or faster for approximately 15 minutes or more.
CAUTION:
Always drive safely.
4. Stop the vehicle.
5. Perform “All DTC Reading” with CONSULT-III.
6. Check if “C1A15” is detected as the current malf unction in the “Self Diagnostic Result” of “ICC/ADAS”.
Is
“C1A15” detected as the current malfunction?
YES >> Refer to DAS-356, "Diagnosis Procedure".
NO >> Refer to GI-40, "
Intermittent Incident".
Diagnosis ProcedureINFOID:0000000006228199
1.CHECK SELF-DIAGNOSIS RESULTS
Check if “C1A03”, “C1A04”, or “U1000” is detected ot her than “C1A15” 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-310, "
DTC Index".
NO >> GO TO 2.
2.CHECK VEHICLE SPEED SIGNAL
Check that “VHCL SPEED SE” operates norma lly in “DATA MONITOR” of “ICC/ADAS”.
CAUTION:
Be careful of the vehicle speed.
Is the inspection result normal?
DTC
(On board dis- play) Trouble diagnosis
name DTC detecting condition Possible causes
C1A15 (15) GEAR POSITION A mismatch between an current gear posi-
tion signal transmitted from TCM via CAN
communication and a gear position calculat-
ed by the ADAS control unit continues for
approximately 11 minutes or more Input speed sensor
Vehicle speed sensor A/T (output speed
sensor)
TCM
Revision: 2010 May2011 QX56

Page 1322 of 5598

INFINITI QX56 2011 Factory Service Manual
DAS
C1A15 GEAR POSITIONDAS-357
< DTC/CIRCUIT DIAGNOSIS > [LDW & LDP]
C
D
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F
G H
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M B
N P A
YES >> GO TO 3.
NO >> GO TO 7.
3.CHECK GEAR POSITION
Check that “GEAR” operates normally in “

Page 1323 of 5598

INFINITI QX56 2011 Factory Service Manual
DAS-358
< DTC/CIRCUIT DIAGNOSIS >[LDW & LDP]
C1A24 NP RANGE
C1A24 NP RANGE
DTC LogicINFOID:0000000006228200
DTC DETECTION LOGIC
NOTE:
If DTC “C1A24” is detected along with DTC “U
1000”, first

DAS-358
< DTC/CIRCUIT DIAGNOSIS >[LDW & LDP]
C1A24 NP RANGE
C1A24 NP RANGE
DTC LogicINFOID:0000000006228200
DTC DETECTION LOGIC
NOTE:
If DTC “C1A24” 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.CHECK DTC REPRODUCE (1)
1. Start the engine.
2. Turn the LDP system ON.
3. Wait for approximately 5 minutes or more afte r shifting the selector lever to “P” position.
4. Perform “All DTC Reading” 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 DAS-358, "Diagnosis Procedure".
NO >> GO TO 2.
2.CHECK DTC REPRODUCE (2)
1. Wait for approximately 5 minutes or more after 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 DAS-358, "Diagnosis Procedure".
NO >> Refer to GI-40, "
Intermittent Incident".
Diagnosis ProcedureINFOID:0000000006228201
1.CHECK SELF-DIAGNOSIS RESULTS
Check if “U1000” is detected ot her than “C1A24” 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 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 normally 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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INFINITI QX56 2011 Factory Service Manual
DAS
C1A24 NP RANGEDAS-359
< DTC/CIRCUIT DIAGNOSIS > [LDW & LDP]
C
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F
G H
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K L
M B
N P A
4.PERFORM TCM SELF-DIAGNOSIS
1. Perform “All DTC Reading”.
2. Check if any DTC is detected in “Sel

Page 1325 of 5598

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 �

Page 1326 of 5598

INFINITI QX56 2011 Factory Service Manual
DAS
C1B00 CAMERA UNIT MALFDAS-361
< DTC/CIRCUIT DIAGNOSIS > [LDW & LDP]
C
D
E
F
G H
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K L
M B
N P A
C1B00 CAMERA UNIT MALF
ADAS CONTROL UNIT
ADAS CONTROL UNIT : DTC LogicINFOID:0000000006223763
DTC

DAS
C1B00 CAMERA UNIT MALFDAS-361
< DTC/CIRCUIT DIAGNOSIS > [LDW & LDP]
C
D
E
F
G H
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K L
M B
N P A
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

Page 1327 of 5598

INFINITI QX56 2011 Factory Service Manual
DAS-362
< DTC/CIRCUIT DIAGNOSIS >[LDW & LDP]
C1B00 CAMERA UNIT MALF
YES >> Perform diagnosis on the detected DTC and repair
or replace the malfunctioning parts. Refer to
DAS-316, "
DTC Index".
NO >>

Page 1328 of 5598

INFINITI QX56 2011 Factory Service Manual
DAS
C1B01 CAM AIMING INCMPDAS-363
< DTC/CIRCUIT DIAGNOSIS > [LDW & LDP]
C
D
E
F
G H
I
J
K L
M B
N P A
C1B01 CAM AIMING INCMP
ADAS CONTROL UNIT
ADAS CONTROL UNIT : DTC LogicINFOID:0000000006223767
DTC

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