Nissan X-Trail 32. Manual — part 1170
B20D4 TAIL LAMP LH POWER SUPPLY CIRCUIT
EXL-137
< DTC/CIRCUIT DIAGNOSIS >
[LED HEADLAMP]
C
D
E
F
G
H
I
J
K
M
A
B
EXL
N
O
P
License plate lamp LH
License plate lamp RH
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> GO TO 2.
2.
CHECK LICENSE PLATE LAMP
1.
Remove license plate lamp bulb.
2.
Check resistance of license plate lamp terminals.
License plate lamp LH
License plate lamp RH
Is the inspection result normal?
YES
>> Replace the corresponding license plate lamp bulb. Refer to
.
NO
>> Repair or replace the corresponding license plate lamp bulb socket.
License plate lamp LH
Resistance
Terminal
2
1
Except 0
Ω
License plate lamp RH
Resistance
Terminal
2
1
Except 0
Ω
License plate lamp LH
Resistance
Terminal
2
1
Except 0
Ω
License plate lamp RH
Resistance
Terminal
2
1
Except 0
Ω
EXL-138
< DTC/CIRCUIT DIAGNOSIS >
[LED HEADLAMP]
B20D5 TAIL LAMP RH POWER SUPPLY CIRCUIT
B20D5 TAIL LAMP RH POWER SUPPLY CIRCUIT
DTC Description
INFOID:0000000010788828
DTC DETECTION LOGIC
POSSIBLE CAUSE
• Harness or connector
• Tail lamp RH (body side) bulb
• Tail lamp RH (back door side) bulb
• Tail lamp RH (body side) bulb socket or harness
• Tail lamp RH (back door side) bulb socket or harness
• IPDM E/R
FAIL-SAFE
Shuts off the power supply to the following power supply circuits until the parking lamp, license plate lamp, and
tail lamp ON conditions are no longer satisfied.
• Tail lamp RH (body side)
• Tail lamp RH (back door side)
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
With CONSULT
1.
Turn ignition switch ON.
2.
Select “T LAMP RH CIRC MALFUNCTN” in “Data Monitor” mode of “IPDM E/R” using CONSULT.
3.
Check the monitor status.
What is the monitor status?
“0”
>> GO TO 2.
“1”
>> A short circuit is detected multiple times in the tail lamp RH (body side) or tail lamp RH (back door
side) power supply circuit, and damage accumulates at the smart FET inside the IPDM E/R. For
this reason, IPDM E/R does not turn ON the smart FET. Because the DTC cannot be reproduced
in this state, perform
EXL-139, "Diagnosis Procedure"
and replace IPDM E/R after the malfunc-
tioning part is repaired. Refer to
PCS-60, "Removal and Installation"
2.
PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT
1.
Turn ignition switch OFF.
2.
Turn ignition switch ON.
3.
Turn lighting switch 1ST.
4.
Select “Self Diagnostic Result” mode of “IPDM E/R” using CONSULT.
5.
Check DTC.
Is DTC detected?
YES
>> Refer to
EXL-139, "Diagnosis Procedure"
.
NO-1
>> To check malfunction symptom before repair: Refer to
GI-44, "Intermittent Incident"
.
NO-2
>> Confirmation after repair: INSPECTION END
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
B20D5
TAIL LAMP RH PWR SPLY CIRC
(Tail lamp right hand power supply circuit)
[CIRC
SHORT TO
GRND]
When the parking lamp, license plate lamp, and tail lamp
ON conditions are satisfied (smart FET inside IPDM E/R
is ON), and overcurrent is detected in the following power
supply circuit.
• Tail lamp RH (body side)
• Tail lamp RH (back door side)
Monitor item
Monitor status
T LAMP RH CIRC MALFUNCTN
0
1
B20D5 TAIL LAMP RH POWER SUPPLY CIRCUIT
EXL-139
< DTC/CIRCUIT DIAGNOSIS >
[LED HEADLAMP]
C
D
E
F
G
H
I
J
K
M
A
B
EXL
N
O
P
Diagnosis Procedure
INFOID:0000000010788829
1.
CHECK TAIL LAMP RH POWER SUPPLY CIRCUIT (SHORT)
1.
Turn ignition switch OFF.
2.
Turn lighting switch OFF.
3.
Disconnect the following connectors.
-
IPDM E/R
-
Rear combination lamp RH (body side)
-
Rear combination lamp RH (back door side)
4.
Check continuity between IPDM E/R harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace harness.
2.
CHECK TAIL LAMP RH POWER SUPPLY
With CONSULT
1.
Connect IPDM E/R connector.
2.
Turn ignition switch ON
3.
Select “TAIL LAMP” in “Active Test” mode of “IPDM E/R” using CONSULT.
4.
With operating the test items, check the voltage between rear combination lamp RH (body side) harness
connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Replace IPDM E/R. Refer to
PCS-60, "Removal and Installation"
.
3.
CHECK TAIL LAMP RH
Check the tail lamp RH. Refer to
EXL-139, "Component Inspection"
.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Repair or replace the malfunctioning part.
Component Inspection
INFOID:0000000010788830
1.
CHECK TAIL LAMP RH
1.
Turn ignition switch OFF.
2.
Disconnect rear combination lamp RH (body side) and rear combination lamp RH (back door side) con-
nector.
3.
Check resistance of rear combination lamp RH (body side) and rear combination lamp RH (back door
side) terminals.
IPDM E/R
—
Continuity
Connector
Terminal
E10
17
Ground
Not existed
+
-
Test item
Voltage
Rear combination lamp RH (body
side)
Connector
Terminal
B59
1
Ground
TAIL LAMP
On
9 – 16 V
Off
0 – 1 V
EXL-140
< DTC/CIRCUIT DIAGNOSIS >
[LED HEADLAMP]
B20D5 TAIL LAMP RH POWER SUPPLY CIRCUIT
Rear combination lamp RH (body side)
Tail lamp RH (back door side)
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> GO TO 2.
2.
CHECK TAIL LAMP RH
1.
Remove tail lamp RH bulb
2.
Check resistance of rear combination lamp RH (body side) and rear combination lamp RH (back door
side) terminals.
Rear combination lamp RH (body side)
Tail lamp RH (back door side)
Is the inspection result normal?
YES
>> Replace the corresponding tail lamp RH bulb. Refer to
EXL-204, "REAR COMBINATION LAMP
EXL-206, "REAR COMBINATION LAMP (BACK
NO
>> Repair or replace the corresponding tail lamp RH bulb socket and harness.
Rear combination lamp RH (body
side)
Resistance
Terminal
1
4
Except 0
Ω
Rear combination lamp RH (back
door side)
Resistance
Terminal
1
3
Except 0
Ω
Rear combination lamp RH (body
side)
Resistance
Terminal
1
4
Except 0
Ω
Rear combination lamp RH (back
door side)
Resistance
Terminal
1
3
Except 0
Ω
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