Nissan X-Trail 32. Manual - part 1166

 

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Nissan X-Trail 32. Manual - part 1166

 

 

B20CB DAYTIME RUNNING LIGHT LH POWER SUPPLY CIRCUIT

EXL-121

< DTC/CIRCUIT DIAGNOSIS >

[LED HEADLAMP]

C

D

E

F

G

H

I

J

K

M

A

B

EXL

N

O

P

B20CB DAYTIME RUNNING LIGHT LH POWER SUPPLY CIRCUIT

DTC Description

INFOID:0000000010788806

DTC DETECTION LOGIC

POSSIBLE CAUSE

• Harness or connector
• Front combination lamp LH internal circuit
- LED (Daytime running light)
- Control circuit
- Harness
• IPDM E/R

FAIL-SAFE

Shuts off the power supply to the daytime running light LH power supply circuit until the daytime running light
ON conditions are no longer satisfied.

DTC CONFIRMATION PROCEDURE

1.

PRECONDITIONING

With CONSULT

1.

Turn ignition switch ON.

2.

Select “DTRL 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 daytime running light 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-121,

"Diagnosis 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.

Start engine.

3.

Select “Self Diagnostic Result” mode of “IPDM E/R” using CONSULT.

4.

Check DTC.

Is DTC detected?

YES

>> Refer to 

EXL-121, "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:0000000010788807

1.

CHECK DAYTIME RUNNING LIGHT LH POWER SUPPLY CIRCUIT (SHORT)

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

B20CB

DTRL LH PWR SPLY CIRC
(Daytime running light left hand power sup-
ply circuit)

[CIRC 
SHORT TO 
GRND]

When daytime running light ON conditions are satisfied 
(smart FET inside IPDM E/R is ON), and overcurrent is 
detected in the daytime running light LH power supply cir-
cuit.

Monitor item

Monitor status

DTRL LH CIRC MALFUNCTN

0

1

EXL-122

< DTC/CIRCUIT DIAGNOSIS >

[LED HEADLAMP]

B20CB DAYTIME RUNNING LIGHT LH POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect IPDM E/R connector and front combination lamp LH connector.

3.

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 DAYTIME RUNNING LIGHT LH POWER SUPPLY

With CONSULT

1.

Connect IPDM E/R connector.

2.

Turn ignition switch ON

3.

Select “DAYTIME RUNNING LIGHT” in “Active Test” mode of “IPDM E/R” using CONSULT.

4.

With operating the test items, check the voltage between front combination lamp LH 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 DAYTIME RUNNING LIGHT LH

Check the daytime running light LH. Refer to 

EXL-122, "Component Inspection"

.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace front combination lamp LH. Refer to 

EXL-191, "Removal and Installation"

.

Component Inspection

INFOID:0000000010788808

1.

CHECK DAYTIME RUNNING LIGHT LH

1.

Turn ignition switch OFF.

2.

Disconnect front combination lamp LH connector.

3.

Check resistance of front combination lamp LH terminals.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace front combination lamp LH. Refer to 

EXL-191, "Removal and Installation"

.

IPDM E/R 

Continuity

Connector

Terminal

E148

49

Ground

Not existed

+

-

Test item

Voltage

Front combination lamp LH

Connector

Terminal

E156

5

Ground

DAYTIME 
RUNNING 
LIGHT

On

9 – 16 V

Off

0 – 1 V

Front combination lamp LH

Resistance

Terminal

5

8

Except 0 

B20CE HEADLAMP (HI) LH POWER SUPPLY CIRCUIT

EXL-123

< DTC/CIRCUIT DIAGNOSIS >

[LED HEADLAMP]

C

D

E

F

G

H

I

J

K

M

A

B

EXL

N

O

P

B20CE HEADLAMP (HI) LH POWER SUPPLY CIRCUIT

DTC Description

INFOID:0000000010788809

DTC DETECTION LOGIC

POSSIBLE CAUSE

• Harness or connector
• Front combination lamp LH internal circuit
- LED [Headlamp (HI)]
- LED headlamp control module
- Harness
• IPDM E/R

FAIL-SAFE

Shuts off the power supply to the headlamp (HI) LH power supply circuit until the headlamp (HI) ON conditions
are no longer satisfied.

DTC CONFIRMATION PROCEDURE

1.

PRECONDITIONING

With CONSULT

1.

Turn ignition switch ON.

2.

Select “HL (HI) 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 headlamp (HI) LH power supply circuit, and dam-

age 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-123, "Diag-

nosis 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 2ND, and lighting switch HI.

4.

Select “Self Diagnostic Result” mode of “IPDM E/R” using CONSULT.

5.

Check DTC.

Is DTC detected?

YES

>> Refer to 

EXL-123, "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:0000000010788810

1.

CHECK HEADLAMP (HI) LH POWER SUPPLY CIRCUIT (SHORT)

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

B20CE

HL (HI) LH PWR SPLY CIRC
[Headlamp (high) left hand power supply 
circuit]

[CIRC 
SHORT TO 
GRND]

When headlamp (HI) ON conditions are satisfied (smart 
FET inside IPDM E/R is ON), and overcurrent is detected 
in the headlamp (HI) LH power supply circuit.

Monitor item

Monitor status

HL (HI) LH CIRC MALFUNCTN

0

1

EXL-124

< DTC/CIRCUIT DIAGNOSIS >

[LED HEADLAMP]

B20CE HEADLAMP (HI) LH POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Turn lighting switch OFF.

3.

Disconnect IPDM E/R connector and front combination lamp LH connector.

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 HEADLAMP (HI) LH POWER SUPPLY

With CONSULT

1.

Connect IPDM E/R connector.

2.

Turn ignition switch ON

3.

Select “HEADLAMP (HI)” in “Active Test” mode of “IPDM E/R” using CONSULT.

4.

With operating the test items, check the voltage between front combination lamp LH 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 HEADLAMP (HI) LH

Check the headlamp (HI) LH. Refer to 

EXL-124, "Component Inspection"

.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace front combination lamp LH. Refer to 

EXL-191, "Removal and Installation"

.

Component Inspection

INFOID:0000000010788811

1.

CHECK HEADLAMP (HI) LH

1.

Turn ignition switch OFF.

2.

Disconnect front combination lamp LH connector.

3.

Check resistance of front combination lamp LH terminals.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace front combination lamp LH. Refer to 

EXL-191, "Removal and Installation"

.

IPDM E/R 

Continuity

Connector

Terminal

E149

59

Ground

Not existed

+

-

Test item

Voltage

Front combination lamp LH

Connector

Terminal

E156

2

Ground

HEADLAMP 
(HI)

On

9 – 16 V

Off

0 – 1 V

Front combination lamp LH

Resistance

Terminal

2

1

Except 0 

 

 

 

 

 

 

 

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