Nissan Quest E52. Manual - part 307

DAS-70

< DTC/CIRCUIT DIAGNOSIS >

[BSW]

U1506 SIDE RDR R CAN 1

U1506 SIDE RDR R CAN 1

DTC Logic

INFOID:0000000009940755

DTC DETECTION LOGIC

NOTE:
If DTC “U1506” is detected along with DTC “U1000”, first diagnose the DTC “U1000”. Refer to 

DAS-53, "BSW

CONTROL MODULE : 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. 

4.

Check if the “U1506” is detected as the current malfunction in “Self Diagnostic Result” of “BSW”. 

Is “U1506” detected as the current malfunction?

YES

>> Refer to 

DAS-70, "Diagnosis Procedure"

.

NO

>> Refer to 

GI-42, "Intermittent Incident"

. 

Diagnosis Procedure

INFOID:0000000009940756

1.

CHECK SELF-DIAGNOSIS RESULTS

Check if “U1000” is detected other than “U1506” in “Self Diagnostic Result” of “BSW”. 
Is “U1000” detected?

YES

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

Refer to 

DAS-53, "BSW CONTROL MODULE : DTC Logic"

.

NO

>> GO TO 2.

2.

CHECK SIDE RADAR RH SELF-DIAGNOSIS RESULTS

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

YES

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

DAS-28, "DTC Index"

. 

NO

>> Replace the BSW control module. Refer to 

DAS-84, "Removal and Installation"

. 

DTC

Trouble diagnosis name

DTC detecting condition

Possible causes

U1506

SIDE RDR R CAN CIR 1

BSW control module detects an error signal that is 
received from side radar RH via BSW communica-
tion

Side radar RH

DAS

U1507 LOST COMM(SIDE RDR R)

DAS-71

< DTC/CIRCUIT DIAGNOSIS >

[BSW]

C

D

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U1507 LOST COMM(SIDE RDR R) 

DTC Logic

INFOID:0000000009940757

DTC DETECTION LOGIC

NOTE:
If DTC “U1507” is detected along with DTC “U1000”, first diagnose the DTC “U1000”. Refer to 

DAS-53, "BSW

CONTROL MODULE : 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. 

4.

Check if the “U1507” is detected as the current malfunction in “Self Diagnostic Result” of “BSW”. 

Is “U1507” detected as the current malfunction?

YES

>> Refer to 

DAS-71, "Diagnosis Procedure"

.

NO

>> Refer to 

GI-42, "Intermittent Incident"

. 

Diagnosis Procedure

INFOID:0000000009940758

1.

CHECK SELF-DIAGNOSIS RESULTS

Check if “U1000” is detected other than “U1507” in “Self Diagnostic Result” of “BSW”. 
Is “U1000” detected?

YES

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

Refer to 

DAS-53, "BSW CONTROL MODULE : DTC Logic"

.

NO

>> GO TO 2.

2.

CHECK SIDE RADAR RH SELF-DIAGNOSIS RESULTS

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

YES

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

DAS-28, "DTC Index"

. 

NO

>> Replace the BSW control module. Refer to 

DAS-84, "Removal and Installation"

. 

DTC

Trouble diagnosis name

DTC detecting condition

Possible causes

U1507

LOST COMM(SIDE 
RDR R)

BSW control module cannot receive BSW 
communication signal from side radar RH for 2 
seconds or more

• BSW communication system
• Side radar RH

DAS-72

< DTC/CIRCUIT DIAGNOSIS >

[BSW]

U1508 LOST COMM(SIDE RDR L)

U1508 LOST COMM(SIDE RDR L)

DTC Logic

INFOID:0000000009940759

DTC DETECTION LOGIC

NOTE:
DTC “U1508” is detected along with DTC “U1000”, first diagnose the DTC “U1508”.

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 “U1508” is detected as the current malfunction in “Self Diagnostic Result” of “BSW”. 

Is “U1508” detected as the current malfunction?

YES

>> Refer to 

DAS-72, "Diagnosis Procedure"

.

NO

>> Refer to 

GI-42, "Intermittent Incident"

. 

Diagnosis Procedure

INFOID:0000000009940760

1.

CHECK SIDE RADAR HARNESS CONNECTOR

1.

Turn the ignition switch OFF.

2.

Check the terminals and connectors of the side radar LH for damage, bend and short (unit side and con-
nector side).

Is the inspection result normal?

YES

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

Refer to 

LAN-17, "Trouble Diagnosis Flow Chart"

.

NO

>> Repair the terminal or connector.

DTC

Trouble diagnosis name

DTC detecting condition

Possible causes

U1508

LOST COMM(SIDE 
RDR L)

BSW control module cannot receive BSW 
communication signal from side radar LH for 2 
seconds or more

• Side radar LH harness connector
• BSW communication system
• Side radar LH

DAS

U1518 SIDE RDR L CAN 3

DAS-73

< DTC/CIRCUIT DIAGNOSIS >

[BSW]

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U1518 SIDE RDR L CAN 3

DTC Logic

INFOID:0000000009940761

DTC DETECTION LOGIC

NOTE:
If DTC “U1518” is detected along with DTC “U1000”, or “U1508”, first diagnose the DTC “U1000” or “U1508”. 
• Refer to 

DAS-53, "BSW CONTROL MODULE : DTC Logic"

 for DTC “U1000”. 

• Refer to 

DAS-72, "DTC Logic"

 for DTC “U1508”.

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 “U1518” is detected as the current malfunction in “Self Diagnostic Result” of “BSW”. 

Is “U1518” detected as the current malfunction?

YES

>> Refer to 

DAS-73, "Diagnosis Procedure"

.

NO

>> Refer to 

GI-42, "Intermittent Incident"

. 

Diagnosis Procedure

INFOID:0000000009940762

1.

CHECK SELF-DIAGNOSIS RESULTS

Check if “U1000” or “U1508” is detected other than “U1518” in “Self Diagnostic Result” of “BSW”. 
Is “U1000” or “U1508” detected?

YES-1 >> U1000 detected: Perform the CAN communication system inspection. Repair or replace the mal-

functioning parts. Refer to 

DAS-53, "BSW CONTROL MODULE : DTC Logic"

.

YES-2 >> U1508 detected: Refer to 

DAS-72, "DTC Logic"

.

NO

>> GO TO 2.

2.

CHECK SIDE RADAR LH SELF-DIAGNOSIS RESULTS

Check if any DTC is detected in “Self Diagnostic Result” of “SIDE RADAR LEFT”. 

Is any DTC detected?

YES

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

DAS-26, "DTC Index"

. 

NO

>> Replace the BSW control module. Refer to 

DAS-84, "Removal and Installation"

. 

DTC

Trouble diagnosis name

DTC detecting condition

Possible causes

U1518

SIDE RDR L CAN CIRC 3

BSW control module detects an error signal that is 
received from side radar LH via BSW communication

Side radar LH