Nissan X-Trail 32. Manual — part 345

DAS

U1000 CAN COMM CIRCUIT

DAS-121

< DTC/CIRCUIT DIAGNOSIS >

[DRIVER ASSISTANCE SYSTEM]

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U1000 CAN COMM CIRCUIT

DTC Description

INFOID:0000000010765940

DTC DETECTION LOGIC

POSSIBLE CAUSE

CAN communication system

FAIL-SAFE

The following functions are suspended.
• LDW
• TSR

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Start the engine.

2.

Turn the LDW system ON.

3.

Perform “All DTC Reading” with CONSULT.

4.

Check if the “U1000” is detected as the current malfunction on the self-diagnosis results of “LANE CAM-
ERA”.

Is “U1000” detected as the current malfunction?

YES

>> Refer to

DAS-121, "Diagnosis Procedure"

.

NO-1

>> To check malfunction symptom before repair: Refer to

GI-44, "Intermittent Incident"

.

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010765941

1.

PERFORM SELF DIAGNOSTIC

1.

Start the engine.

2.

Erases DTC.

3.

Perform DTC confirmation procedure again. Refer to

DAS-121, "DTC Description"

.

Is “U1000” detected?

YES

>> Refer to

LAN-17, "Trouble Diagnosis Flow Chart"

.

NO

>> INSPECTION END

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detecting condition

U1000

CAN COMM CIRCUIT
(CAN communication circuit)

Front camera unit is not transmitting or receiving CAN communication signal
for 2 seconds or more.

DAS-122

< DTC/CIRCUIT DIAGNOSIS >

[DRIVER ASSISTANCE SYSTEM]

U1010 CONTROL UNIT (CAN)

U1010 CONTROL UNIT (CAN)

DTC Description

INFOID:0000000010765942

DTC DETECTION LOGIC

POSSIBLE CAUSE

Front camera unit

FAIL-SAFE

The following functions are suspended.
• LDW
• TSR

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Start the engine.

2.

Turn the LDW system ON.

3.

Perform “All DTC Reading” with CONSULT.

4.

Check if the “U1010” is detected as the current malfunction on the self-diagnosis results of “LANE CAM-
ERA”.

Is “U1010” detected as the current malfunction?

YES

>> Refer to

DAS-122, "Diagnosis Procedure"

.

NO-1

>> To check malfunction symptom before repair: Refer to

GI-44, "Intermittent Incident"

.

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010765943

1.

PERFORM SELF DIAGNOSTIC

1.

Start the engine.

2.

Erases DTC.

3.

Perform DTC confirmation procedure again. Refer to

DAS-122, "DTC Description"

.

Is “U1010” detected?

YES

>> Replace the front camera unit. Refer to

DAS-149, "Removal and Installation"

.

NO

>> INSPECTION END

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detecting condition

U1010

CONTROL UNIT(CAN)
[Control unit(CAN)]

When detecting error during the initial diagnosis of CAN controller of front cam-
era unit.

DAS

U0122 VDC CAN CIR1 (LDP)

DAS-123

< DTC/CIRCUIT DIAGNOSIS >

[DRIVER ASSISTANCE SYSTEM]

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U0122 VDC CAN CIR1 (LDP)

DTC Description

INFOID:0000000010765944

DTC DETECTION LOGIC

POSSIBLE CAUSE

ABS actuator and electric unit (control unit)

FAIL-SAFE

The following functions are suspended.
• LDW
• TSR

DTC CONFIRMATION PROCEDURE

1.

CHECK DTC PRIORITY

If DTC “U0122” is displayed with DTC “U1000”, first diagnose the DTC “U0122”.

Is applicable DTC detected?

YES

>> Perform diagnosis of applicable. Refer to

DAS-121, "DTC Description"

.

NO

>> GO TO 2.

2.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Start the engine.

2.

Turn the LDW system ON.

3.

Perform “All DTC Reading” with CONSULT.

4.

Check if the “U0122” is detected as the current malfunction on the self-diagnosis results of “LANE CAM-
ERA”.

Is “U0122” detected as the current malfunction?

YES

>> Refer to

DAS-123, "Diagnosis Procedure"

.

NO-1

>> To check malfunction symptom before repair: Refer to

GI-44, "Intermittent Incident"

.

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010765945

1.

CHECK DTC PRIORITY

If DTC “U0122” is displayed with DTC “U1000”, first diagnose the DTC “U0122”.

Is applicable DTC detected?

YES

>> Perform diagnosis of applicable. Refer to

DAS-121, "DTC Description"

.

NO

>> GO TO 2.

2.

CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) SELF DIAGNOSTIC RESULT

Perform “Self Diagnostic Result” of “ABS” using CONSULT.

Are any DTCs detected?

YES

>> Refer to

BRC-84, "DTC Index"

.

NO

>> Replace front camera unit. Refer to

DAS-149, "Removal and Installation"

.

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detecting condition

U0122

VDC CAN CIR1(LDP)
[Vehicle dynamic control CAN
circuit1 (Lane departure preven-
tion)]

Front camera unit receives incorrect signal (P-RUN) from ABS actuator and
electric unit (control unit) via CAN communication.

DAS-124

< DTC/CIRCUIT DIAGNOSIS >

[DRIVER ASSISTANCE SYSTEM]

U0126 STRG SEN CAN 1

U0126 STRG SEN CAN 1

DTC Description

INFOID:0000000010765946

DTC DETECTION LOGIC

POSSIBLE CAUSE

Steering angle sensor

FAIL-SAFE

The following systems are canceled.
• LDW
• TSR

DTC CONFIRMATION PROCEDURE

1.

CHECK DTC PRIORITY

If DTC “U0126” is displayed with DTC “U1000”, first diagnose the DTC “U0126”.

Is applicable DTC detected?

YES

>> Perform diagnosis of applicable. Refer to

DAS-121, "DTC Description"

.

NO

>> GO TO 2.

2.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Start the engine.

2.

Turn the LDW system ON.

3.

Perform “All DTC Reading” with CONSULT.

4.

Check if the “U0126” is detected as the current malfunction on the self-diagnosis results of “LANE CAM-
ERA”.

Is “U0126” detected as the current malfunction?

YES

>> Refer to

DAS-124, "Diagnosis Procedure"

.

NO-1

>> To check malfunction symptom before repair: Refer to

GI-44, "Intermittent Incident"

.

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010765947

1.

CHECK DTC PRIORITY

If DTC “U0126” is displayed with DTC “U1000”, first diagnose the DTC “U0126”.
Is applicable DTC detected?

YES

>> Perform diagnosis of applicable. Refer to

DAS-121, "DTC Description"

.

NO

>> GO TO 2.

2.

CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) SELF DIAGNOSTIC RESULT

Perform “Self Diagnostic Result” of “ABS” using CONSULT.

Are any DTCs detected?

YES

>> Refer to

BRC-84, "DTC Index"

.

NO

>> Replace front camera unit. Refer to

DAS-149, "Removal and Installation"

.

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detecting condition

U0126

STRG SEN CAN CIR1
(Steering sensor CAN circuit1)

Front camera unit receives an error signal from steering angle sensor via CAN
communication