Infiniti QX56 (Z62). Manual - part 363

 

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Infiniti QX56 (Z62). Manual - part 363

 

 

DAS

U1010 CONTROL UNIT (CAN)

DAS-489

< DTC/CIRCUIT DIAGNOSIS >

[BSW]

C

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A

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"

 (SIDE RADAR RIGHT).

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), 

DAS-486, "SIDE

RADAR RH : DTC Logic"

 (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

DAS-440, "DTC Index"

.

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 

DAS-486,

"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.

Refer to 

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

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)

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 

DAS-486,

"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.

Refer to 

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

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

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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