Infiniti QX56 (Z62). Manual — part 218
CCS
U0402 TCM CAN 1
CCS-139
< DTC/CIRCUIT DIAGNOSIS >
[ICC]
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U0402 TCM CAN 1
DTC Logic
INFOID:0000000006224394
DTC DETECTION LOGIC
NOTE:
If DTC “U0402” is detected along with DTC “U1000”, first diagnose the DTC “U1000”. Refer to
"ADAS CONTROL UNIT : DTC 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 “U0402” is detected as the current malfunction in “Self Diagnostic Result” of “ICC/ADAS”.
Is “U0402” detected as the current malfunction?
YES
>> Refer to
CCS-139, "Diagnosis Procedure"
NO
>> Refer to
GI-40, "Intermittent Incident"
.
Diagnosis Procedure
INFOID:0000000006224395
1.
CHECK SELF-DIAGNOSIS RESULTS
Check if “U1000” is detected other than “U0402” in “Self Diagnostic Result” of “ICC/ADAS”.
Is “U1000” detected?
YES
>> Perform the CAN communication system inspection. Repair or replace the malfunctioning parts.
CCS-145, "ADAS CONTROL UNIT : DTC Logic"
NO
>> GO TO 2.
2.
CHECK TCM SELF-DIAGNOSIS RESULTS
Check if any DTC is detected in “Self Diagnostic Result” of “TRANSMISSION”.
Is any DTC detected?
YES
>> Perform diagnosis on the detected DTC and repair or replace the malfunctioning parts. Refer to
.
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
CCS-140
< DTC/CIRCUIT DIAGNOSIS >
[ICC]
U0405 ADAS CAN 2
U0405 ADAS CAN 2
DTC Logic
INFOID:0000000006224396
DTC DETECTION LOGIC
NOTE:
If DTC “U0405” is detected along with DTC “U1000”, first diagnose the DTC “U1000”. Refer to
.
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 “U0405” is detected as the current malfunction in “Self Diagnostic Result” of “LASER”.
Is “U0405” detected as the current malfunction?
YES
>> Refer to
CCS-140, "Diagnosis Procedure"
NO
>> Refer to
GI-40, "Intermittent Incident"
.
Diagnosis Procedure
INFOID:0000000006224397
1.
CHECK ICC SENSOR SELF-DIAGNOSIS RESULTS
Check if “U1000” is detected other than “U0405” in “Self Diagnostic Result” of “LASER”.
Is “U1000” detected?
YES
>> Perform the CAN communication system inspection. Repair or replace the malfunctioning parts.
CCS-145, "ICC SENSOR : DTC Logic"
NO
>> GO TO 2.
2.
CHECK ADAS CONTROL UNIT SELF-DIAGNOSIS RESULTS
Check if any DTC is detected 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
.
NO
>> Replace the ICC sensor. Refer to
DTC
Trouble diagnosis name
DTC detecting condition
Possible causes
U0405
ADAS CAN CIR 2
If ICC sensor detects an error signal that is re-
ceived from ADAS control unit via ITS commu-
nication
ADAS control unit
CCS
U0415 VDC CAN 1
CCS-141
< DTC/CIRCUIT DIAGNOSIS >
[ICC]
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U0415 VDC CAN 1
ADAS CONTROL UNIT
ADAS CONTROL UNIT : DTC Logic
INFOID:0000000006224398
DTC DETECTION LOGIC
NOTE:
If DTC “U0415” is detected along with DTC “U1000”, first diagnose the DTC “U1000”. Refer to
"ADAS CONTROL UNIT : DTC 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 “U0415” is detected as the current malfunction in “Self Diagnostic Result” of “ICC/ADAS”.
Is “U0415” detected as the current malfunction?
YES
>> Refer to
CCS-141, "ADAS CONTROL UNIT : Diagnosis Procedure"
NO
>> Refer to
GI-40, "Intermittent Incident"
.
ADAS CONTROL UNIT : Diagnosis Procedure
INFOID:0000000006224399
1.
CHECK SELF-DIAGNOSIS RESULTS
Check if “U1000” is detected other than “U0415” in “Self Diagnostic Result” of “ICC/ADAS”.
Is “U1000” detected?
YES
>> Perform the CAN communication system inspection. Repair or replace the malfunctioning parts.
CCS-145, "ADAS CONTROL UNIT : DTC Logic"
NO
>> GO TO 2.
2.
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
NO
>> Replace the ADAS control unit. Refer to
DAS-63, "Removal and Installation"
ICC SENSOR
ICC SENSOR : DTC Logic
INFOID:0000000006224400
DTC DETECTION LOGIC
NOTE:
If DTC “U0415” is detected along with DTC “U1000”, first diagnose the DTC “U1000”. Refer to
.
DTC
(On board dis-
play)
Trouble diagnosis name
DTC detecting condition
Possible causes
U0415
(126)
VDC CAN CIR1
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)
DTC
Trouble diagnosis name
DTC detecting condition
Possible causes
U0415
VDC CAN CIR1
If ICC sensor detects an error signal that is re-
ceived from ABS actuator and electric unit
(control unit) via ADAS control unit
ABS actuator and electric unit (control
unit)
CCS-142
< DTC/CIRCUIT DIAGNOSIS >
[ICC]
U0415 VDC CAN 1
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 “U0415” is detected as the current malfunction in “Self Diagnostic Result” of “LASER”.
Is “U0415” detected as the current malfunction?
YES
>> Refer to
CCS-142, "ICC SENSOR : Diagnosis Procedure"
.
NO
>> Refer to
GI-40, "Intermittent Incident"
.
ICC SENSOR : Diagnosis Procedure
INFOID:0000000006224401
1.
CHECK ICC SENSOR SELF-DIAGNOSIS RESULTS
Check if “U1000” is detected other than “U0415” in “Self Diagnostic Result” of “LASER”.
Is “U1000” detected?
YES
>> Perform the CAN communication system inspection. Repair or replace the malfunctioning parts.
CCS-145, "ICC SENSOR : DTC Logic"
NO
>> GO TO 2.
2.
CHECK ADAS CONTROL UNIT SELF-DIAGNOSIS RESULTS
Check if any DTC is detected 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
.
NO
>> Replace the ICC sensor. Refer to
.
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