Nissan X-Trail 32. Manual - part 1210

 

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Nissan X-Trail 32. Manual - part 1210

 

 

DIAGNOSIS AND REPAIR WORK FLOW

EXL-297

< BASIC INSPECTION >

[HALOGEN HEADLAMP]

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BASIC INSPECTION

DIAGNOSIS AND REPAIR WORK FLOW

Work Flow

INFOID:0000000010789820

OVERALL SEQUENCE

DETAILED FLOW

JMKIA8652GB

EXL-298

< BASIC INSPECTION >

[HALOGEN HEADLAMP]

DIAGNOSIS AND REPAIR WORK FLOW

1.

GET INFORMATION FOR SYMPTOM

1.

Get detailed information from the customer about the symptom (the condition and the environment when
the incident/malfunction occurs).

2.

Check operation condition of the function that is malfunctioning.

>> GO TO 2.

2.

CHECK DTC

1.

Check DTC.

2.

Perform the following procedure if DTC is detected.

-

Record DTC and freeze frame data (Print them out using CONSULT.)

-

Erase DTC.

-

Study the relationship between the cause detected by DTC and the symptom described by the customer.

3.

Check related service bulletins for information.

Are any symptoms described and any DTC detected?

Symptom is described, DTC is detected>>GO TO 3.
Symptom is described, DTC is not detected>>GO TO 4.
Symptom is not described, DTC is detected>>GO TO 5.

3.

CONFIRM THE SYMPTOM

Try to confirm the symptom described by the customer.
Also study the normal operation and fail-safe related to the symptom.
Verify relation between the symptom and the condition when the symptom is detected.

>> GO TO 5.

4.

CONFIRM THE SYMPTOM

Try to confirm the symptom described by the customer.
Verify relation between the symptom and the condition when the symptom is detected.

>> GO TO 6.

5.

PERFORM DTC CONFIRMATION PROCEDURE

Perform DTC CONFIRMATION PROCEDURE for the detected DTC, and then check that DTC is detected
again. At this time, always connect CONSULT to the vehicle, and check self diagnostic results in real time.
If two or more DTCs are detected, refer to DTC INSPECTION PRIORITY CHART, and determine trouble diag-
nosis order.
NOTE:
• Freeze frame data is useful if the DTC is not detected.
• Perform Component Function Check if DTC CONFIRMATION PROCEDURE is not included on Service

Manual. This simplified check procedure is an effective alternative though DTC cannot be detected during
this check.
If the result of Component Function Check is NG, it is the same as the detection of DTC by DTC CONFIR-
MATION PROCEDURE.

Is DTC detected?

YES

>> GO TO 7.

NO

>> Check according to 

GI-44, "Intermittent Incident"

.

6.

DETECT MALFUNCTIONING SYSTEM BY SYMPTOM DIAGNOSIS

Detect malfunctioning system according to SYMPTOM DIAGNOSIS based on the confirmed symptom in step
4, and determine the trouble diagnosis order based on possible causes and symptom.

Is the symptom described?

YES

>> GO TO 7.

NO

>> Monitor input data from related sensors or check voltage of related module terminals using CON-

SULT.

7.

DETECT MALFUNCTIONING PART BY DIAGNOSIS PROCEDURE

DIAGNOSIS AND REPAIR WORK FLOW

EXL-299

< BASIC INSPECTION >

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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-300

< DTC/CIRCUIT DIAGNOSIS >

[HALOGEN HEADLAMP]

B121A FRONT FOG LAMP LH POWER SUPPLY CIRCUIT

DTC/CIRCUIT DIAGNOSIS

B121A FRONT FOG LAMP LH POWER SUPPLY CIRCUIT

DTC Description

INFOID:0000000010789821

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 

EXL-300, "Diagno-

sis Procedure"

 and replace IPDM E/R after the malfunctioning 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, 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-300, "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:0000000010789822

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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