Nissan Quest E52. Instruction — part 308
DAS-74
< DTC/CIRCUIT DIAGNOSIS >
[BSW]
U1519 SIDE RDR R CAN 3
U1519 SIDE RDR R CAN 3
DTC Logic
INFOID:0000000009940763
DTC DETECTION LOGIC
NOTE:
If DTC “U1519” is detected along with DTC “U1000”, first diagnose the DTC “U1000”. Refer to
.
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 “U1519” is detected as the current malfunction in “Self Diagnostic Result” of “BSW”.
Is “U1519” detected as the current malfunction?
YES
>> Refer to
.
NO
>> Refer to
GI-42, "Intermittent Incident"
.
Diagnosis Procedure
INFOID:0000000009940764
1.
CHECK SELF-DIAGNOSIS RESULTS
Check if “U1000” is detected other than “U1519” in “Self Diagnostic Result” of “BSW”.
Is “U1000” detected?
YES
>> Perform the CAN communication system inspection. Repair or replace the malfunctioning parts.
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
.
NO
>> Replace the BSW control module. Refer to
DAS-84, "Removal and Installation"
.
DTC
Trouble diagnosis name
DTC detecting condition
Possible causes
U1519
SIDE RDR R CAN CIRC 3
BSW control module detects an error signal that is
received from side radar RH via BSW communica-
tion
Side radar RH
DAS
POWER SUPPLY AND GROUND CIRCUIT
DAS-75
< DTC/CIRCUIT DIAGNOSIS >
[BSW]
C
D
E
F
G
H
I
J
K
L
M
B
N
P
A
POWER SUPPLY AND GROUND CIRCUIT
BSW CONTROL MODULE
BSW CONTROL MODULE : Diagnosis Procedure
INFOID:0000000009940765
1.
CHECK FUSES
Check if any of the following fuses are blown:
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Replace the blown fuse after repairing the affected circuit if a fuse is blown.
2.
CHECK BSW CONTROL MODULE POWER SUPPLY CIRCUIT
Check voltage between BSW control module harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair the BSW control module power supply circuit.
3.
CHECK BSW CONTROL MODULE GROUND CIRCUIT
1.
Turn the ignition switch OFF.
2.
Disconnect the BSW control module connector.
3.
Check for continuity between BSW control module harness connector and ground.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Repair the BSW control module ground circuit.
SIDE RADAR LH
SIDE RADAR LH : Diagnosis Procedure
INFOID:0000000009940766
1.
CHECK FUSES
Check if any of the following fuses are blown:
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Replace the blown fuse after repairing the affected circuit if a fuse is blown.
Signal name
Fuse No.
Ignition power supply
45
Terminal
Condition
Standard
voltage
Reference
voltage
(Approx.)
(+)
(–)
BSW control module
Ground
Ignition
switch
Connector
Terminal
M61
16
OFF
0 - 0.1 V
0 V
ON
9.5 - 16 V
Battery volt-
age
BSW control module
Ground
Continuity
Connector
Terminal
M61
6
Existed
Signal name
Fuse No.
Ignition power supply
45
DAS-76
< DTC/CIRCUIT DIAGNOSIS >
[BSW]
POWER SUPPLY AND GROUND CIRCUIT
2.
CHECK POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect the side radar LH connector.
3.
Check voltage between side radar LH harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair the side radar LH power supply circuit.
3.
CHECK GROUND CIRCUIT
Check continuity between side radar LH harness connectors and ground.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Repair the side radar LH ground circuit.
SIDE RADAR RH
SIDE RADAR RH : Diagnosis Procedure
INFOID:0000000009940767
1.
CHECK FUSES
Check if any of the following fuses are blown:
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Replace the blown fuse after repairing the affected circuit if a fuse is blown.
2.
CHECK POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect the side radar RH connector.
3.
Check voltage between side radar RH harness connector and ground.
Is the inspection result normal?
Terminals
Condition
Standard
voltage
Reference
voltage
(Approx.)
(+)
(
−
)
Side radar LH
Ground
Ignition switch
Connector
Terminal
B57
5
OFF
0 - 0.1 V
0 V
ON
10 - 16 V
Battery volt-
age
Side radar LH
Ground
Continuity
Connector
Terminal
B57
2
Existed
Signal name
Fuse No.
Ignition power supply
45
Terminals
Condition
Standard
voltage
Reference
voltage
(Approx.)
(+)
(
−
)
Side radar RH
Ground
Ignition switch
Connector
Terminal
B317
5
OFF
0 - 0.1 V
0 V
ON
10 - 16 V
Battery volt-
age
DAS
POWER SUPPLY AND GROUND CIRCUIT
DAS-77
< DTC/CIRCUIT DIAGNOSIS >
[BSW]
C
D
E
F
G
H
I
J
K
L
M
B
N
P
A
YES
>> GO TO 3.
NO
>> Repair the side radar RH power supply circuit.
3.
CHECK GROUND CIRCUIT
Check continuity between side radar RH harness connectors and ground.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Repair the side radar RH ground circuit.
Side radar RH
Ground
Continuity
Connector
Terminal
B317
2
Existed
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