Nissan X-Trail 32. Manual — part 1169
B20D2 PARKING LAMP POWER SUPPLY CIRCUIT
EXL-133
< DTC/CIRCUIT DIAGNOSIS >
[LED HEADLAMP]
C
D
E
F
G
H
I
J
K
M
A
B
EXL
N
O
P
Parking lamp RH
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace the corresponding front combination lamp. Refer to
EXL-191, "Removal and Installation"
.
Front combination lamp RH
Resistance
Terminal
6
8
Except 0
Ω
EXL-134
< DTC/CIRCUIT DIAGNOSIS >
[LED HEADLAMP]
B20D4 TAIL LAMP LH POWER SUPPLY CIRCUIT
B20D4 TAIL LAMP LH POWER SUPPLY CIRCUIT
DTC Description
INFOID:0000000010788824
DTC DETECTION LOGIC
POSSIBLE CAUSE
• Harness or connector
• Tail lamp LH (body side) bulb
• Tail lamp LH (back door side) bulb
• Tail lamp LH (body side) bulb socket or harness
• Tail lamp LH (back door side) bulb socket or harness
• License plate lamp LH bulb
• License plate lamp RH bulb
• License plate lamp LH bulb socket
• License plate lamp RH bulb socket
• 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 LH (body side)
• Tail lamp LH (back door side)
• License plate lamp LH
• License plate lamp RH
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
With CONSULT
1.
Turn ignition switch ON.
2.
Select “T LAMP LH 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 LH (body side), tail lamp LH (back door
side), license plate lamp LH or license plate lamp RH power supply circuit, and damage accumu-
lates 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
and replace IPDM E/R after the malfunctioning part is repaired. Refer to
.
2.
PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
B20D4
TAIL LAMP LH PWR SPLY CIRC
(Tail lamp left 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 LH (body side)
• Tail lamp LH (back door side)
• License plate lamp LH
• License plate lamp RH
Monitor item
Monitor status
T LAMP LH CIRC MALFUNCTN
0
1
B20D4 TAIL LAMP LH POWER SUPPLY CIRCUIT
EXL-135
< DTC/CIRCUIT DIAGNOSIS >
[LED HEADLAMP]
C
D
E
F
G
H
I
J
K
M
A
B
EXL
N
O
P
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-135, "Diagnosis Procedure"
.
NO-1
>> To check malfunction symptom before repair: Refer to
GI-44, "Intermittent Incident"
NO-2
>> Confirmation after repair: INSPECTION END
Diagnosis Procedure
INFOID:0000000010788825
1.
CHECK TAIL LAMP LH 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 LH (body side)
-
Rear combination lamp LH (back door side)
-
License plate lamp LH
-
License plate lamp RH
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 LH 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 LH (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 LH
Check the tail lamp LH. Refer to
EXL-136, "Component Inspection (Tail Lamp)"
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace the malfunctioning part.
4.
CHECK LICENSE PLATE LAMP
IPDM E/R
—
Continuity
Connector
Terminal
E10
4
Ground
Not existed
+
-
Test item
Voltage
Rear combination lamp LH (body
side)
Connector
Terminal
B80
1
Ground
TAIL LAMP
On
9 – 16 V
Off
0 – 1 V
EXL-136
< DTC/CIRCUIT DIAGNOSIS >
[LED HEADLAMP]
B20D4 TAIL LAMP LH POWER SUPPLY CIRCUIT
Check the license plate lamp. Refer to
EXL-136, "Component Inspection (License Plate Lamp)"
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Repair or replace the malfunctioning part.
Component Inspection (Tail Lamp)
INFOID:0000000010788826
1.
CHECK TAIL LAMP LH
1.
Turn ignition switch OFF.
2.
Disconnect rear combination lamp LH (body side) and rear combination lamp LH (back door side) connec-
tor.
3.
Check resistance of rear combination lamp LH (body side) and rear combination lamp LH (back door side)
terminals.
Rear combination lamp LH (body side)
Tail lamp LH (back door side)
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> GO TO 2.
2.
CHECK TAIL LAMP LH
1.
Remove tail lamp LH bulb
2.
Check resistance of rear combination lamp LH (body side) and rear combination lamp LH (back door side)
terminals.
Rear combination lamp LH (body side)
Tail lamp LH (back door side)
Is the inspection result normal?
YES
>> Replace the corresponding tail lamp LH bulb. Refer to
EXL-204, "REAR COMBINATION LAMP
EXL-206, "REAR COMBINATION LAMP (BACK
NO
>> Repair or replace the corresponding tail lamp LH bulb socket and harness.
Component Inspection (License Plate Lamp)
INFOID:0000000010788827
1.
CHECK LICENSE PLATE LAMP
1.
Turn ignition switch OFF.
2.
Disconnect license plate lamp connector.
3.
Check resistance of license plate lamp terminals.
Rear combination lamp LH (body
side)
Resistance
Terminal
1
4
Except 0
Ω
Rear combination lamp LH (back
door side)
Resistance
Terminal
1
3
Except 0
Ω
Rear combination lamp LH (body
side)
Resistance
Terminal
1
4
Except 0
Ω
Rear combination lamp LH (back
door side)
Resistance
Terminal
1
3
Except 0
Ω
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