Infiniti QX56 (Z62). Manual - part 332

 

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Infiniti QX56 (Z62). Manual - part 332

 

 

DAS

C1B03 ABNRML TEMP DETECT

DAS-365

< DTC/CIRCUIT DIAGNOSIS >

[LDW & LDP]

C

D

E

F

G

H

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J

K

L

M

B

N

P

A

C1B03 ABNRML TEMP DETECT

ADAS CONTROL UNIT

ADAS CONTROL UNIT : DTC Logic

INFOID:0000000006223771

DTC DETECTION LOGIC

ADAS CONTROL UNIT : Diagnosis Procedure

INFOID:0000000006223772

1.

CHECK LANE CAMERA UNIT SELF-DIAGNOSIS RESULTS

1.

Perform “All DTC Reading” with CONSULT-III.

2.

Check if the “C1B03” is detected in “Self Diagnostic Result” of “LANE CAMERA”

Is “C1B03” detected?

YES

>> Refer to 

DAS-365, "LANE CAMERA UNIT : DTC Logic"

.

NO

>> GO TO 2.

2.

CHECK ADAS CONTROL UNIT SELF-DIAGNOSIS RESULTS

1.

Erase all self-diagnosis results with CONSULT-III.

2.

Perform “All DTC Reading”.

3.

Check if the “C1B03” is detected in “Self Diagnostic Result” of “ICC/ADAS”

Is “C1B03” detected?

YES

>> Replace the ADAS control unit. Refer to 

DAS-63, "Removal and Installation"

.

NO

>> INSPECTION END

LANE CAMERA UNIT

LANE CAMERA UNIT : DTC Logic

INFOID:0000000006223773

DTC DETECTION LOGIC

LANE CAMERA UNIT : Diagnosis Procedure

INFOID:0000000006223774

1.

COOLING LANE CAMERA UNIT

1.

Wait for 10 minutes or more to cool the lane camera unit.

2.

Erase All self-diagnosis results with CONSULT-III.

3.

Perform “All DTC Reading”.

4.

Check if the “C1B03” is detected in “Self Diagnostic Result” of “LANE CAMERA”.

Is “C1B03” detected?

YES

>> Replace the lane camera unit. Refer to 

DAS-403, "Removal and Installation"

.

NO

>> INSPECTION END

DTC

(On board 

display)

Trouble diagnosis name

DTC detecting condition

Possible causes

C1B03

(83)

CAM ABNRML TMP DETCT

Temperature around lane camera unit is ex-
cessively high

Interior room temperature is exces-
sively high

DTC

Trouble diagnosis name

DTC detecting condition

Possible causes

C1B03

ABNRML TEMP DETECT

Temperature around lane camera unit is ex-
cessively high

Interior room temperature is exces-
sively high

DAS-366

< DTC/CIRCUIT DIAGNOSIS >

[LDW & LDP]

U0104 ADAS CAN 1

U0104 ADAS CAN 1

DTC Logic

INFOID:0000000006223775

DTC DETECTION LOGIC

NOTE:
If DTC “U0104” is detected along with DTC “U1000”, first diagnose the DTC “U1000”. Refer to 

DAS-374,

"LANE CAMERA UNIT : DTC Logic"

. 

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Start the engine.

2.

Turn the LDP 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 “LANE CAM-
ERA”. 

Is “U0104” detected as the current malfunction?

YES

>> Refer to 

DAS-366, "Diagnosis Procedure"

.

NO

>> Refer to 

GI-40, "Intermittent Incident"

. 

Diagnosis Procedure

INFOID:0000000006223776

1.

CHECK LANE CAMERA UNIT SELF-DIAGNOSIS RESULTS

Check if “U1000” is detected other than “U0104” in “Self Diagnostic Result” of “LANE CAMERA”. 

Is “U1000” detected?

YES

>> Perform the CAN communication system inspection. Repair or replace the malfunctioning parts.

Refer to 

DAS-374, "LANE CAMERA UNIT : 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

DAS-310, "DTC Index"

. 

NO

>> Replace the lane camera unit. Refer to 

DAS-403, "Removal and Installation"

. 

DTC

Trouble diagnosis name

DTC detecting condition

Possible causes

U0104

ADAS CAN CIR 1

If lane camera unit detects an error signal that 
is received from ADAS control unit via ITS 
communication

ADAS control unit

DAS

U0121 VDC CAN 2

DAS-367

< DTC/CIRCUIT DIAGNOSIS >

[LDW & LDP]

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U0121 VDC CAN 2

DTC Logic

INFOID:0000000006228202

DTC DETECTION LOGIC

NOTE:
If DTC “U0121” 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.

Start the engine.

2.

Turn the LDP 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-367, "Diagnosis Procedure"

.

NO

>> Refer to 

GI-40, "Intermittent Incident"

. 

Diagnosis Procedure

INFOID:0000000006228203

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-374, "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-368

< DTC/CIRCUIT DIAGNOSIS >

[LDW & LDP]

U0126 STRG SEN CAN 1

U0126 STRG SEN CAN 1

DTC Logic

INFOID:0000000006223779

DTC DETECTION LOGIC

NOTE:
If DTC “U0126” is detected along with DTC “U1000”, first diagnose the DTC “U1000”. Refer to 

DAS-374,

"ADAS CONTROL UNIT : DTC Logic"

. 

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Start the engine.

2.

Turn the LDP 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 “LANE CAM-
ERA”. 

Is “U0126” detected as the current malfunction?

YES

>> Refer to 

DAS-368, "Diagnosis Procedure"

.

NO

>> Refer to 

GI-40, "Intermittent Incident"

. 

Diagnosis Procedure

INFOID:0000000006223780

1.

CHECK SELF-DIAGNOSIS RESULTS

Check if “U1000” is detected other than “U0126” in “Self Diagnostic Result” of “LANE CAMERA”. 

Is “U1000” detected?

YES

>> Perform the CAN communication system inspection. Repair or replace the malfunctioning parts.

Refer to 

DAS-374, "LANE CAMERA UNIT : 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

DAS-310, "DTC Index"

. 

NO

>> Replace the lane camera unit. Refer to 

DAS-403, "Removal and Installation"

. 

DTC

Trouble diagnosis name

DTC detecting condition

Possible causes

U0126

STRG SEN CAN CIR1

If lane camera unit detects an error signal that 
is received from steering angle sensor via 
ADAS control unit

Steering angle sensor

 

 

 

 

 

 

 

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