Infiniti QX56 (Z62). Manual — part 363
DAS
U1010 CONTROL UNIT (CAN)
DAS-489
< DTC/CIRCUIT DIAGNOSIS >
[BSW]
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ADAS CONTROL UNIT : DTC Logic
INFOID:0000000006223921
DTC DETECTION LOGIC
ADAS CONTROL UNIT : Diagnosis Procedure
INFOID:0000000006223922
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn the BSW system ON.
2.
Perform “All DTC Reading” with CONSULT-III.
3.
Check if the “U1010” is detected as the current malfunction in “Self Diagnostic Result” of “ICC/ADAS”.
Is “U1010” detected as the current malfunction?
YES
>> Replace the ADAS control unit. Refer to
DAS-63, "Removal and Installation"
NO
>> INSPECTION END
DTC
(On board
display)
Trouble diagnosis name
DTC detecting condition
Possible causes
U1010
(110)
CONTROL UNIT (CAN)
If ADAS control unit detects malfunction by
CAN controller initial diagnosis
ADAS control unit
DAS-490
< DTC/CIRCUIT DIAGNOSIS >
[BSW]
U0104 ADAS CAN 1
U0104 ADAS CAN 1
DTC Logic
INFOID:0000000006223923
DTC DETECTION LOGIC
NOTE:
If DTC “U0104” is detected along with DTC “U1000”, first diagnose the DTC “U1000”. Refer to
DAS-485, "SIDE RADAR LH : DTC Logic"
(SIDE RADAR LEFT),
DAS-486, "SIDE RADAR RH : DTC Logic"
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Start the engine.
2.
Turn the BSW 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 “SIDE RADAR
RIGHT/LEFT”.
Is the DTC “U0104” detected?
YES
>> Refer to
DAS-490, "Diagnosis Procedure"
NO
>> Refer to
GI-40, "Intermittent Incident"
.
Diagnosis Procedure
INFOID:0000000006223924
1.
CHECK SELF-DIAGNOSIS RESULTS
Check if “U1000” is detected other than “U0104” in “Self Diagnostic Result” of “SIDE RADAR RIGHT/LEFT”.
Is “U1000” detected?
YES
>> Perform the CAN communication system inspection. Repair or replace the malfunctioning parts.
Refer to
DAS-485, "SIDE RADAR LH : DTC Logic"
(SIDE RADAR LEFT),
(SIDE RADAR RIGHT).
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 side radar LH or RH. Refer to
DAS-523, "Removal and Installation"
DTC
Trouble diagnosis name
DTC detecting condition
Possible cause
U0104
ADAS CAN CIR1
Side radar detected an error of ITS communication signal
that was received from ADAS control unit.
ADAS control unit
DAS
U0121 VDC CAN 2
DAS-491
< DTC/CIRCUIT DIAGNOSIS >
[BSW]
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U0121 VDC CAN 2
DTC Logic
INFOID:0000000006228231
DTC DETECTION LOGIC
NOTE:
If DTC “U0121” 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 BSW system ON.
3.
Perform “All DTC Reading” with CONSULT-III.
4.
Check if the “U0121” is detected as the current malfunction in “Self Diagnostic Result” of “ICC/ADAS”.
Is “U0121” detected as the current malfunction?
YES
>> Refer to
DAS-491, "Diagnosis Procedure"
NO
>> Refer to
GI-40, "Intermittent Incident"
.
Diagnosis Procedure
INFOID:0000000006228232
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 communication system inspection. Repair or replace the malfunctioning parts.
DAS-486, "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"
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)
DAS-492
< DTC/CIRCUIT DIAGNOSIS >
[BSW]
U0126 STRG SEN CAN 1
U0126 STRG SEN CAN 1
DTC Logic
INFOID:0000000006228233
DTC DETECTION LOGIC
NOTE:
If DTC “U0126” 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 BSW 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 “ICC/ADAS”.
Is “U0126” detected as the current malfunction?
YES
>> Refer to
DAS-492, "Diagnosis Procedure"
NO
>> Refer to
GI-40, "Intermittent Incident"
.
Diagnosis Procedure
INFOID:0000000006228234
1.
CHECK SELF-DIAGNOSIS RESULTS
Check if “U1000” is detected other than “U0126” in “Self Diagnostic Result” of “ICC/ADAS”.
Is “U1000” detected?
YES
>> Perform the CAN communication system inspection. Repair or replace the malfunctioning parts.
DAS-486, "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"
DTC
(On board dis-
play)
Trouble diagnosis name
DTC detecting condition
Possible causes
U0126
(130)
STRG SEN CAN CIR1
If ADAS control unit detects an error signal
that is received from steering angle sensor via
CAN communication
Steering angle sensor
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