Nissan Rogue. Manual - part 652

B1256 FRONT FOG LAMP RH POWER SUPPLY CIRCUIT

EXL-237

< DTC/CIRCUIT DIAGNOSIS >

[LED HEADLAMP]

C

D

E

F

G

H

I

J

K

M

A

B

EXL

N

O

P

B1256 FRONT FOG LAMP RH POWER SUPPLY CIRCUIT

DTC Logic

INFOID:0000000011421513

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

CHECK SELF DIAGNOSTIC RESULT

 With 

CONSULT.

1. Turn ignition switch ON.

2. Perform “Self Diagnostic Result”.
Is DTC B1256 detected?

YES

>> Proceed to diagnosis procedure. Refer to 

EXL-237, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000011421514

1.

CHECK FOG LAMP SHORT CIRCUIT TO GROUND

1. Disconnect fog lamp connector and IPDM E/R connector.

2. 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 FOG LAMP SHORT CIRCUIT TO GROUND

1. Reconnect IPDM E/R connector.

2. Check continuity between fog lamp harness connector and ground.

Is the inspection result normal?

YES

>> Refer to 

GI-44, "Intermittent Incident"

.

NO

>> Replace IPDM E/R. Refer to 

PCS-40, "Removal and Installation"

. 

DTC

Display Item

Malfunction detected condition

Possible causes

B1256

FR FOG LAMP RH PWR SPLY CIRC
[CIRC SHORT TO GRND]

When a short circuit to ground is detected.

• IPDM E/R
• Short to ground

IPDM E/R

Ground

Continuity

Connector

Terminal

E218

57

No

Fog lamp

Ground

Continuity

Connector

Terminal

RH

E221

1

No

EXL-238

< DTC/CIRCUIT DIAGNOSIS >

[LED HEADLAMP]

B1C00 HEIGHT SENSOR POWER SUPPLY CIRCUIT

B1C00 HEIGHT SENSOR POWER SUPPLY CIRCUIT

DTC Logic

INFOID:0000000011280867

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

CHECK SELF DIAGNOSTIC RESULT

 With 

CONSULT.

1. Turn ignition switch ON.

2. Perform “Self Diagnostic Result”.
Is DTC B1C00 detected?

YES

>> Proceed to diagnosis procedure. Refer to 

EXL-238, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000011280868

1.

CHECK HEIGHT SENSOR SHORT CIRCUIT TO GROUND

1. Disconnect rear height sensor connector and IPDM E/R connector.

2. 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 HEIGHT SENSOR SHORT CIRCUIT TO BATTERY VOLTAGE

1. Reconnect IPDM E/R connector.

2. Check the voltage between IPDM E/R harness connector and ground.

Is the inspection result normal?

YES

>> Refer to 

GI-44, "Intermittent Incident"

.

NO

>> Replace IPDM E/R. Refer to 

PCS-40, "Removal and Installation"

.

DTC

Display Item

Malfunction detected condition

Possible causes

B1C00

HEIGHT SENSOR PWR SPLY CIRC
[CIRC SHORT TO GRND]

When the height sensor power supply circuit is short-
ed to supply power or shorted to ground

• Short to ground
• Short to supply voltage

HEIGHT SENSOR PWR SPLY CIRC
[CIRC SHORT TO BATTERY]

IPDM E/R

Ground

Continuity

Connector

Terminal

E120

25

No

IPDM E/R

Ground

Voltage

(Approx.)

Connector

Terminal

E120

25

0 V

B1C02 REAR HEIGHT SENSOR SIGNAL

EXL-239

< DTC/CIRCUIT DIAGNOSIS >

[LED HEADLAMP]

C

D

E

F

G

H

I

J

K

M

A

B

EXL

N

O

P

B1C02 REAR HEIGHT SENSOR SIGNAL

DTC Logic

INFOID:0000000011280869

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

CHECK SELF DIAGNOSTIC RESULT 

1. Turn ignition switch ON.

2. Check “Self Diagnostic Result” with CONSULT.
Is DTC detected?

YES

>> Refer to 

EXL-239, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000011280870

1.

CHECK HEIGHT SENSOR SHORT CIRCUIT TO GROUND

1. Disconnect rear height sensor connector and IPDM E/R connector.

2. 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 HEIGHT SENSOR SHORT OPEN CIRCUIT

Check the continuity between IPDM E/R harness connector and height sensor connector.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness.

3.

CHECK HEIGHT SENSOR SHORT CIRCUIT TO BATTERY VOLTAGE

1. Reconnect IPDM E/R connector.

2. Check the voltage between IPDM E/R harness connector and ground.

DTC No.

Self-diagnosis item

DTC Detection Condition

Possible causes

B1C02

RR HEIGHT SENSOR SIGNAL
[CIRC SHORT TO BATTERY]

• Short to ground
• Short to supply voltage
• Circuit voltage out of range

• Harness or connectors between the rear height 

sensor and the IPDM E/R
(The sensor circuit is open or shorted) 

• IPDM E/R
• Height sensor

RR HEIGHT SENSOR SIGNAL
[CIRC SHORT TO GROUND OR 
OPEN]

RR HEIGHT SENSOR SIGNAL
[CIRC VOLTAGE OUT OF 
RANGE]

IPDM E/R

Ground

Continuity

Connector

Terminal

E120

21

No

IPDM E/R

Rear height sensor

Ground

Continuity

Connector

Terminal

Connector

Terminal

E120

21

B91

1

Yes

IPDM E/R

Ground

Voltage

(Approx.)

Connector

Terminal

E120

21

0 V

EXL-240

< DTC/CIRCUIT DIAGNOSIS >

[LED HEADLAMP]

B1C02 REAR HEIGHT SENSOR SIGNAL

Is the inspection result normal?

YES

>> Refer to 

GI-44, "Intermittent Incident"

.

NO

>> Replace IPDM E/R. Refer to 

PCS-40, "Removal and Installation"

.