Nissan X-Trail 32. Instruction — part 1160
DIAGNOSIS AND REPAIR WORK FLOW
EXL-97
< BASIC INSPECTION >
[LED HEADLAMP]
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Inspect according to Diagnosis Procedure of the system.
Is malfunctioning part detected?
YES
>> GO TO 8.
NO
>> Check according to
GI-44, "Intermittent Incident"
.
8.
REPAIR OR REPLACE THE MALFUNCTIONING PART
1.
Repair or replace the malfunctioning part.
2.
Reconnect parts or connectors disconnected during Diagnosis Procedure again after repair and replace-
ment.
3.
Check DTC. If DTC is detected, erase it.
>> GO TO 9.
9.
FINAL CHECK
When DTC is detected in step 2, perform DTC CONFIRMATION PROCEDURE again, and then check that the
malfunction is repaired securely.
When symptom is described by the customer, refer to confirmed symptom in step 3 or 4, and check that the
symptom is not detected.
Is DTC detected and does symptom remain?
YES-1 >> DTC is detected: GO TO 7.
YES-2 >> Symptom remains: GO TO 4.
NO
>> Before returning the vehicle to the customer, always erase DTC.
EXL-98
< BASIC INSPECTION >
[LED HEADLAMP]
LED HEADLAMP OPERATION INSPECTION
LED HEADLAMP OPERATION INSPECTION
Work Procedure
INFOID:0000000010788786
1.
CHECK START
1.
In the cool LED status (wait for more than 10 minutes after turning headlamp OFF), turn ON and turn OFF
headlamp for the several times. Check that headlamp operates normally each time.
2.
In the cool LED status, turn headlamp ON, wait until headlamp enters to the stable status (approximately
5 minutes after turning headlamp ON), and then check that headlamp operates normally without blinking
or flickering.
3.
In the warm LED status (turn headlamp ON for more than 15 minutes and wait for 1 minute after turning
OFF), turn ON and turn OFF headlamp for the several times. Check that headlamp operates normally
each time.
4.
Turn headlamp ON for approximately 30 minutes, and then check that headlamp operates normally with-
out difference in brightness between LH and RH, blinking or flickering.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Refer to
SENSOR INITIALIZE
EXL-99
< BASIC INSPECTION >
[LED HEADLAMP]
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SENSOR INITIALIZE
Description
INFOID:0000000010788787
Perform the sensor initialize when the following operation is performed.
• Replacing IPDM E/R
• Removing, installing or replacing front height sensor / rear height sensor
• Adjusting, removing, installing or replacing suspension components
Work Procedure
INFOID:0000000010788788
1.
VEHICLE CONDITION CHECK
1.
Park the vehicle in the straight-forward position.
2.
Unload the vehicle (no passenger aboard).
>> GO TO 2.
2.
SENSOR INITIALIZE
With CONSULT
1.
Turn ignition switch ON.
2.
Select “SENSOR INITIALIZE” in “Work Support” mode of “IPDM E/R” using CONSULT.
3.
Touch "Start".
4.
When "INITIALISE COMPLETE", touch "End".
NOTE:
If "INITIALISE NOT DONE" is indicated, IPDM E/R detects that the front height sensor signal or rear
height sensor signal changes. The sensor initialize is cancelled. In this case, turn the ignition switch OFF
to prevent the vehicle from the height change. Perform the sensor initialize again.
Is the sensor initialize completed?
YES
>> GO TO 3.
NO
>> Perform the sensor initialize again.
3.
SELF DIAGNOSTIC RESULT CHECK
With CONSULT
1.
Select “Self Diagnostic Result” mode of “IPDM E/R” using CONSULT.
2.
Check DTC.
Is DTC detected?
YES
>> GO TO 2.
NO
>> WORK END
EXL-100
< DTC/CIRCUIT DIAGNOSIS >
[LED HEADLAMP]
B121A FRONT FOG LAMP LH POWER SUPPLY CIRCUIT
DTC/CIRCUIT DIAGNOSIS
B121A FRONT FOG LAMP LH POWER SUPPLY CIRCUIT
DTC Description
INFOID:0000000010788789
DTC DETECTION LOGIC
POSSIBLE CAUSE
• Harness or connector
• Front fog lamp LH bulb
• IPDM E/R
FAIL-SAFE
Shuts off the power supply to the front fog lamp LH power supply circuit until the front fog lamp ON conditions
are no longer satisfied.
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
With CONSULT
1.
Turn ignition switch ON.
2.
Select “F FOG 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 front fog lamp LH 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
and replace IPDM E/R after the malfunctioning part is repaired. Refer to
.
2.
PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT
1.
Turn ignition switch OFF.
2.
Turn ignition switch ON.
3.
Turn lighting switch 1ST, and front fog lamp switch ON.
4.
Select “Self Diagnostic Result” mode of “IPDM E/R” using CONSULT.
5.
Check DTC.
Is DTC detected?
YES
>> Refer to
EXL-100, "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:0000000010788790
1.
CHECK FRONT FOG LAMP LH POWER SUPPLY CIRCUIT (SHORT)
1.
Turn ignition switch OFF.
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
B121A
FR FOG LAMP LH PWR SPLY CIRC
(Front fog lamp left hand power supply cir-
cuit)
[CIRC
SHORT TO
GRND]
When front fog lamp ON conditions are satisfied (smart
FET inside IPDM E/R is ON), and overcurrent is detected
in the front fog lamp LH power supply circuit.
Monitor item
Monitor status
F FOG LH CIRC MALFUNCTN
0
1
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