2011 INFINITI QX56 sensor

DAS-132
< DTC/CIRCUIT DIAGNOSIS >[DCA]
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, "
DTC Index".
NO >> GO TO 4.
4.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".
Revision: 2010 May2011 QX56

DAS-140
< DTC/CIRCUIT DIAGNOSIS >[DCA]
C1A12 LASER BEAM OFF CENTER
C1A12 LASER BEAM OFF CENTER
DTC LogicINFOID:0000000006228074
DTC DETECTION LOGIC
Diagnosis ProcedureINFOID:0000000006228075
1.CHECK ICC SENSOR SELF-DIAGNOSIS RESULTS
1. Perform “All DTC Reading” with CONSULT-III.
2. Check if the “C1A12” is detected as the current malfunction in “Self Diagnostic Result” of “LASER”.
Is
“C1A12” detected?
YES >> Refer to CCS-96, "ICC SENSOR : DTC Logic".
NO >> GO TO 2.
2.CHECK ADAS CONTROL SELF-DIAGNOSIS RESULTS
Check if the “C1A12” is detected as the current malfunction in “Self Diagnostic Result” of “ICC/ADAS”.
Is
“C1A12” detected?
YES >> Replace ADAS control unit. Refer to DAS-63, "Removal and Installation".
NO >> INSPECTION END
DTC
(On board dis-
play) Trouble diagnosis name DTC detecting condition Possible causes
C1A12 (12) LASER BEAM OFFCNTR
Laser beam of ICC sensor is off the aiming
point Laser beam is off the aiming point
Revision: 2010 May2011 QX56

DAS
C1A13 STOP LAMP RELAYDAS-141
< DTC/CIRCUIT DIAGNOSIS > [DCA]
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C1A13 STOP LAMP RELAY
DTC LogicINFOID:0000000006228076
DTC DETECTION LOGIC
NOTE:
If DTC “C1A13” is detected along with DTC “U1000”, first diagnose the DTC “U1000”. Refer to DAS-182,
"ADAS CONTROL UNIT : DTC Logic".
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE (1)
1. Start the engine.
2. Perform the active test item “STOP LAMP” with CONSULT-III.
3. Perform “All DTC Reading”.
4. Check if the “C1A13” is detected as the current malfunction in the “Self Diagnostic Result” of “ICC/ADAS”.
Is
“C1A13” detected as the current malfunction?
YES >> Refer to DAS-141, "Diagnosis Procedure".
NO >> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE (2)
1. Drive at the vehicle speed of 40 km/h (25 MPH) or more for approximately 60 seconds or more without the
brake pedal depressed.
CAUTION:
Always drive safely.
NOTE:
If it is outside the above condition, repeat step 1.
2. Perform “All DTC Reading”.
3. Check if the “C1A13” is detected as the current malfunction in the “Self Diagnostic Result” of “ICC/ADAS”.
Is
“C1A13” detected as the current malfunction?
YES >> Refer to DAS-141, "Diagnosis Procedure".
NO >> Refer to GI-40, "
Intermittent Incident".
Diagnosis ProcedureINFOID:0000000006228077
1.CHECK SELF-DIAGNOSIS RESULTS
Check if “U1000” is detected other than “C1A13” 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-182, "
ADAS CONTROL UNIT : DTC Logic".
NO >> GO TO 2.
2.CHECK STOP LAMP SWITCH
Check that “STOP LAMP SW” operate normally in “DATA MONITOR” of “ICC/ADAS”.
DTC
(On board dis-
play) Trouble diagnosis name DTC detecting condition Possible causes
C1A13 (13) STOP LAMP RLY FIX  Stop lamp inactive state continues for 0.3
seconds or more despite the outputting of
an ICC sensor ICC brake hold relay drive
signal
 The stop lamp remains ON for 60 seconds or more under the following conditions:
- Driving at 40 km/h or more
- No stop lamp drive signal output from ICC
sensor
- No brake operation  Stop lamp switch circuit
 ICC brake switch circuit
 ICC brake hold relay circuit
 Stop lamp switch
 ICC brake switch
 ICC brake hold relay
 Incorrect stop lamp switch installation
 Incorrect ICC brake switch installation
ECM
 ABS actuator and elec
tric unit (control
unit)
Revision: 2010 May2011 QX56

DAS
C1A14 ECMDAS-147
< DTC/CIRCUIT DIAGNOSIS > [DCA]
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C1A14 ECM
DTC LogicINFOID:0000000006228079
DTC DETECTION LOGIC
NOTE:
If DTC “C1A14” is detected along with DTC “U1000”, first diagnose the DTC “U1000”. Refer to DAS-182,
"ADAS CONTROL UNIT : DTC Logic".
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Start the engine.
2. Operate the ICC system and drive. CAUTION:
Always drive safely.
3. Stop the vehicle.
4. Perform “All DTC Readi ng” with CONSULT-III.
5. Check if the “C1A14” is detected as the current malfunction in “Self Diagnostic Result” of “ICC/ADAS”.
Is
“C1A14” detected as the current malfunction?
YES >> Refer to DAS-147, "Diagnosis Procedure".
NO >> Refer to GI-40, "
Intermittent Incident".
Diagnosis ProcedureINFOID:0000000006228080
1.CHECK SELF-DIAGNOSIS RESULTS
Check if “U1000” is detected other than “C1A14” 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-182, "
ADAS CONTROL UNIT : DTC Logic".
NO >> GO TO 2.
2.PERFORM SELF-DIAGNOSIS OF ECM
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 dis-
play) Trouble diagnosis name DTC detecting condition Possible causes
C1A14 (14) ECM CIRCUIT If ECM is malfunctioning  Accelerator pedal position sensor
ECM
 ADAS control unit
Revision: 2010 May2011 QX56

DAS-148
< DTC/CIRCUIT DIAGNOSIS >[DCA]
C1A15 GEAR POSITION
C1A15 GEAR POSITION
DescriptionINFOID:0000000006228081
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:0000000006228082
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-182, "
ADAS CONTROL UNIT : DTC Logic" for DTC “U1000”.
 Refer to DAS-131, "
DTC Logic" for DTC “C1A03”.
 Refer to DAS-133, "
DTC Logic" for DTC “C1A04”.
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Start the engine.
2. Turn the DCA 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-148, "Diagnosis Procedure".
NO >> Refer to GI-40, "
Intermittent Incident".
Diagnosis ProcedureINFOID:0000000006228083
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-100, "
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

DAS
C1A15 GEAR POSITIONDAS-149
< DTC/CIRCUIT DIAGNOSIS > [DCA]
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YES >> GO TO 3.
NO >> GO TO 7.
3.CHECK GEAR POSITION
Check that “GEAR” operates normally in “DATA MONITOR” of “ICC/ADAS”.
CAUTION:
Be careful of the vehicle speed.
Is the inspection result normal?
YES >> GO TO 5.
NO >> GO TO 4.
4.CHECK GEAR POSITION SIGNAL
Check that “GEAR” operates normally in “DATA MONITOR” of “TRANSMISSION”.
Is the inspection result normal?
YES >> GO TO 5.
NO >> GO TO 6.
5.CHECK INPUT SPEED SENSOR SIGNAL
Check that “INPUT SPEED” 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 6.
6.CHECK TCM SELF-DIAGNOSIS RESULTS
1. Perform “All DTC Reading”.
2. 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".
7.CHECK ABS ACTUATOR AND ELECTRIC UNIT (C ONTROL UNIT) SELF-DIAGNOSIS RESULTS
1. Perform “All DTC Reading”.
2. 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".
Revision: 2010 May2011 QX56

DAS-150
< DTC/CIRCUIT DIAGNOSIS >[DCA]
C1A16 RADAR STAIN
C1A16 RADAR STAIN
DTC LogicINFOID:0000000006228084
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
Diagnosis ProcedureINFOID:0000000006228085
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
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
Revision: 2010 May2011 QX56

DAS
C1A17 ICC SENSORDAS-151
< DTC/CIRCUIT DIAGNOSIS > [DCA]
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C1A17 ICC SENSOR
DTC LogicINFOID:0000000006228086
DTC DETECTION LOGIC
NOTE:
If DTC “C1A17” is detected along with DTC “U1000”, first diagnose the DTC “U1000”. Refer to DAS-182,
"ADAS CONTROL UNIT : DTC Logic".
Diagnosis ProcedureINFOID:0000000006228087
1.CHECK ADAS CONTROL UNIT SELF-DIAGNOSIS RESULTS
1. Perform “All DTC R eading” with CONSULT-III.
2. Check if “U1000” is detected other than “C1A 17” in “Self Diagnostic Result” of “ICC/ADAS”.
Is
“U1000”detected?
YES >> Perform diagnosis on the detected DTC and repair or replace the malfunctioning parts. Refer to
DAS-151, "
DTC Logic".
NO >> GO TO 2.
2.CHECK ICC SENSOR SELF-DIAGNOSIS RESULTS
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 dis-
play) Trouble diagnosis
name DTC detecting condition Possible causes
C1A17 (17) ICC SENSOR MALF If ICC sensor
is malfunctioning ICC sensor
Revision: 2010 May2011 QX56