Nissan X-Trail 32. Instruction — part 1221
STOP LAMP CIRCUIT
EXL-341
< DTC/CIRCUIT DIAGNOSIS >
[HALOGEN HEADLAMP]
C
D
E
F
G
H
I
J
K
M
A
B
EXL
N
O
P
STOP LAMP CIRCUIT
Component Function Check
INFOID:0000000010789867
1.
CHECK STOP LAMP OPERATION
1.
Turn ignition switch ON.
2.
With operating the brake pedal, check that the stop lamp and high-mounted stop lamp is turned ON.
Is the inspection result normal?
YES
>> Stop lamp circuit is normal.
NO
>> Refer to
EXL-341, "Diagnosis Procedure"
.
Diagnosis Procedure
INFOID:0000000010789868
1.
CHECK SYMPTOM
Check symptom (A or B)
Which symptom is detected?
A
>> GO TO 2.
B
>> GO TO 7.
2.
CHECK FUSE
1.
Turn ignition switch OFF.
2.
Check that the following fuse is not fusing.
Except R9M engine models with M/T
R9M engine models with M/T
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Replace the blown fuse after repairing the affected circuit if a fuse is blown.
3.
CHECK BCM POWER SUPPLY (STOP LAMP)
1.
Disconnect BCM connector.
2.
Check voltage between BCM harness connector and ground.
Depressed
: Stop lamp and high-mounted stop lamp
ON
Fully re-
leased
: Stop lamp and high-mounted stop lamp
OFF
Symptom
A
All of stop lamp and high-mounted stop lamp are not turned ON
B
Any of stop lamp and high-mounted stop lamp are not turned ON
Unit
Location
Fuse No.
Capacity
• BCM
• Stop lamp switch
Fuse block (J/B)
#10
10 A
Stop lamp switch
#30
Unit
Location
Fuse No.
Capacity
• BCM
• Stop lamp switch
Fuse block (J/B)
#10
10 A
Stop lamp switch
#20
EXL-342
< DTC/CIRCUIT DIAGNOSIS >
[HALOGEN HEADLAMP]
STOP LAMP CIRCUIT
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace harness.
4.
CHECK STOP LAMP SWITCH POWER SUPPLY
1.
Disconnect stop lamp switch connector.
2.
Connect BCM connector.
3.
Turn ignition switch ON.
4.
Check voltage between stop lamp switch harness connector and ground.
CVT models
MR20DD engine models with M/T
R9M engine models with M/T
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace harness.
5.
CHECK STOP LAMP SWITCH SIGNAL CIRCUIT (OPEN)
1.
Turn ignition switch OFF.
2.
Disconnect BCM connector.
3.
Check continuity between BCM harness connector and stop lamp switch harness connector.
CVT models
+
-
Voltage
BCM
Connector
Terminal
M85
145
Ground
9 – 16 V
+
-
Voltage
Stop lamp switch
Connector
Terminal
E115
1
Ground
9 – 16 V
3
+
-
Voltage
Stop lamp switch
Connector
Terminal
E120
1
Ground
9 – 16 V
3
+
-
Voltage
Stop lamp switch
Connector
Terminal
E121
1
Ground
9 – 16 V
3
BCM
Stop lamp switch
Continuity
Connector
Terminal
Connector
Terminal
E23
157
E115
2
Existed
158
4
STOP LAMP CIRCUIT
EXL-343
< DTC/CIRCUIT DIAGNOSIS >
[HALOGEN HEADLAMP]
C
D
E
F
G
H
I
J
K
M
A
B
EXL
N
O
P
MR20DD engine models with M/T
R9M engine models with M/T
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Repair or replace harness.
6.
CHECK STOP LAMP SWITCH
Check stop lamp switch. Refer to
EXL-345, "Component Inspection"
.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-121, "Removal and Installation"
.
NO
>> Replace stop lamp switch. Refer to
BR-21, "Removal and Installation"
(LHD models) or
(RHD models).
7.
CHECK STOP LAMP / HIGH-MOUNTED STOP LAMP OUTPUT VOLTAGE
With CONSULT
1.
Disconnect rear combination lamp (body side) and high-mounted stop lamp connectors.
2.
Turn ignition switch ON.
3.
Select “HEAD LAMP” of “BCM” using CONSULT.
4.
Select “STOP LAMP 1”, “STOP LAMP 2” or “STOP LAMP 3” in “Active Test” mode.
5.
With operating the test items, check voltage between BCM harness connector and ground.
Stop lamp RH
Stop lamp LH
High-mounted stop lamp
Is the inspection result normal?
YES
>> GO TO 9.
NO
>> GO TO 8.
BCM
Stop lamp switch
Continuity
Connector
Terminal
Connector
Terminal
E23
157
E120
2
Existed
158
4
BCM
Stop lamp switch
Continuity
Connector
Terminal
Connector
Terminal
E23
157
E121
2
Existed
158
4
+
-
Test item
Voltage
(Approx.)
BCM
Connector
Terminal
B46
129
Ground
STOP LAMP 1
On
9 – 16 V
Off
0 V
+
-
Test item
Voltage
(Approx.)
BCM
Connector
Terminal
B46
134
Ground
STOP LAMP 2
On
9 – 16 V
Off
0 V
+
-
Test item
Voltage
(Approx.)
BCM
Connector
Terminal
B47
39
Ground
STOP LAMP 3
On
9 – 16 V
Off
0 V
EXL-344
< DTC/CIRCUIT DIAGNOSIS >
[HALOGEN HEADLAMP]
STOP LAMP CIRCUIT
8.
CHECK STOP LAMP / HIGH-MOUNTED STOP LAMP POWER SUPPLY CIRCUIT (SHORT)
1.
Turn ignition switch OFF.
2.
Disconnect BCM connector.
3.
Check continuity between BCM harness connector and ground.
Stop lamp
High-mounted stop lamp
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-121, "Removal and Installation"
.
NO
>> Repair or replace harness.
9.
CHECK STOP LAMP / HIGH-MOUNTED STOP LAMP POWER SUPPLY CIRCUIT (OPEN)
1.
Turn ignition switch OFF.
2.
Disconnect BCM connector.
3.
Check continuity between BCM harness connector and each stop lamp harness connector.
Stop lamp
High-mounted stop lamp
Is the inspection result normal?
YES
>> GO TO 10.
NO
>> Repair or replace harness.
10.
CHECK STOP LAMP / HIGH-MOUNTED STOP LAMP GROUND CIRCUIT
Check continuity between each stop lamp harness connector and ground.
Stop lamp
High-mounted stop lamp
Is the inspection result normal?
YES-1 >> Stop lamp: GO TO 11.
BCM
—
Continuity
Connector
Terminal
RH
B46
129
Ground
Not existed
LH
134
BCM
—
Continuity
Connector
Terminal
B47
39
Ground
Not existed
BCM
Rear combination lamp (body side)
Continuity
Connector
Terminal
Connector
Terminal
RH
B46
129
B59
2
Existed
LH
134
B80
BCM
High-mounted stop lamp
Continuity
Connector
Terminal
Connector
Terminal
B47
39
D154
1
Existed
Rear combination lamp (body side)
—
Continuity
Connector
Terminal
RH
B59
4
Ground
Existed
LH
B80
High-mounted stop lamp
—
Continuity
Connector
Terminal
D154
2
Ground
Existed
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