Nissan Quest E52. Instruction — part 303

DAS-54

< DTC/CIRCUIT DIAGNOSIS >

[BSW]

U1000 CAN COMM CIRCUIT

YES

>> Refer to

LAN-17, "Trouble Diagnosis Flow Chart"

.

NO

>> Refer to

GI-42, "Intermittent Incident"

.

DAS

U1010 CONTROL UNIT (CAN)

DAS-55

< DTC/CIRCUIT DIAGNOSIS >

[BSW]

C

D

E

F

G

H

I

J

K

L

M

B

N

P

A

U1010 CONTROL UNIT (CAN)

SIDE RADAR LH

SIDE RADAR LH : Description

INFOID:0000000009940720

CAN controller controls the communication of BSW communication signal and the error detection.

SIDE RADAR LH : DTC Logic

INFOID:0000000009940721

DTC DETECTION LOGIC

SIDE RADAR LH : Diagnosis Procedure

INFOID:0000000009940722

1.

CHECK SELF-DIAGNOSIS RESULT

1.

Turn the BSW system ON.

2.

Perform “All DTC Reading” with CONSULT.

3.

Check if the “U1010” is detected as the current malfunction in “Self Diagnostic Result” of “SIDE RADAR
LEFT”.

Is “U1010” detected as the current malfunction?

YES

>> Replace the side radar LH. Refer to

DAS-85, "Removal and Installation"

.

NO

>> INSPECTION END

SIDE RADAR RH

SIDE RADAR RH : Description

INFOID:0000000009940723

CAN controller controls the communication of BSW communication signal and the error detection.

SIDE RADAR RH : DTC Logic

INFOID:0000000009940724

DTC DETECTION LOGIC

SIDE RADAR RH : Diagnosis Procedure

INFOID:0000000009940725

1.

CHECK SELF-DIAGNOSIS RESULT

1.

Turn the BSW system ON.

2.

Perform “All DTC Reading” with CONSULT.

3.

Check if the “U1010” is detected as the current malfunction in “Self Diagnostic Result” of “SIDE RADAR
RIGHT”.

Is “U1010” detected as the current malfunction?

YES

>> Replace the side radar RH. Refer to

DAS-85, "Removal and Installation"

.

NO

>> INSPECTION END

BSW CONTROL MODULE

BSW CONTROL MODULE : Description

INFOID:0000000009940726

CAN controller controls the communication of CAN communication signal and BSW communication signal,
and the error detection.

DTC

Trouble diagnosis name

DTC detecting condition

Possible cause

U1010

CONTROL UNIT (CAN)

If side radar LH detects malfunction by CAN controller initial
diagnosis.

Side radar LH

DTC

Trouble diagnosis name

DTC detecting condition

Possible cause

U1010

CONTROL UNIT (CAN)

If Side radar RH detects malfunction by CAN controller initial
diagnosis.

Side radar RH

DAS-56

< DTC/CIRCUIT DIAGNOSIS >

[BSW]

U1010 CONTROL UNIT (CAN)

BSW CONTROL MODULE : DTC Logic

INFOID:0000000009940727

DTC DETECTION LOGIC

BSW CONTROL MODULE : Diagnosis Procedure

INFOID:0000000009940728

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Turn the BSW system ON.

2.

Perform “All DTC Reading” with CONSULT.

3.

Check if the “U1010” is detected as the current malfunction in “Self Diagnostic Result” of “BSW”.

Is “U1010” detected as the current malfunction?

YES

>> Replace the BSW control module. Refer to

DAS-84, "Removal and Installation"

.

NO

>> INSPECTION END

DTC

Trouble diagnosis name

DTC detecting condition

Possible causes

U1010

CONTROL UNIT (CAN)

If BSW control module detects malfunction by
CAN controller initial diagnosis

BSW control module

DAS

U0104 ADAS CAN 1

DAS-57

< DTC/CIRCUIT DIAGNOSIS >

[BSW]

C

D

E

F

G

H

I

J

K

L

M

B

N

P

A

U0104 ADAS CAN 1

DTC Logic

INFOID:0000000009940729

DTC DETECTION LOGIC

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

DAS-52, "SIDE

RADAR LH : DTC Logic"

(SIDE RADAR LEFT),

DAS-53, "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

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-57, "Diagnosis Procedure"

.

NO

>> Refer to

GI-42, "Intermittent Incident"

.

Diagnosis Procedure

INFOID:0000000009940730

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-52, "SIDE RADAR LH : DTC Logic"

(SIDE RADAR LEFT),

DAS-53, "SIDE RADAR

RH : DTC Logic"

(SIDE RADAR RIGHT).

NO

>> GO TO 2.

2.

CHECK BSW CONTROL MODULE SELF-DIAGNOSIS RESULTS

Check if any DTC is detected in “Self Diagnostic Result” of “BSW”.
Is any DTC detected?

YES

>> Perform diagnosis on the detected DTC and repair or replace the malfunctioning parts. Refer to

DAS-23, "DTC Index"

.

NO

>> Replace side radar LH or RH. Refer to

DAS-85, "Removal and Installation"

DTC

Trouble diagnosis name

DTC detecting condition

Possible cause

U0104

ADAS CAN CIR1

Side radar detected an error of BSW communication signal
that was received from BSW control module.

BSW control module