Qashqai J11. Exterior Lighting system - part 6

 

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Qashqai J11. Exterior Lighting system - part 6

 

 

B1C00 HEIGHT SENSOR POWER SUPPLY CIRCUIT

EXL-81

< DTC/CIRCUIT DIAGNOSIS >

[LED HEADLAMP]

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B1C00 HEIGHT SENSOR POWER SUPPLY CIRCUIT

DTC Description

INFOID:0000000010452526

DTC DETECTION LOGIC

POSSIBLE CAUSE

[CIRC SHORT TO GRND]

• Harness or connector
• IPDM E/R

[CIRC SHORT TO BATTERY]

• Harness or connector
• IPDM E/R

FAIL-SAFE

Right and left headlamp aiming motors stop at the position when DTC is detected.

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

With CONSULT

1.

Turn ignition switch ON and wait at least 2 seconds or more.

2.

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

3.

Check DTC.

Is DTC detected?

YES

>> Refer to 

EXL-81, "Diagnosis Procedure"

.

NO-1

>> To check malfunction symptom before repair: Refer to 

GI-41, "Intermittent Incident"

.

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010452527

1.

CHECK DTC

Perform each inspection according to the displayed DTC.

Which DTC is displayed?

[CIRC SHORT TO GRND]>>GO TO 2.
[CIRC SHORT TO BATTERY]>>GO TO 3.

2.

CHECK HEIGHT SENSOR POWER SUPPLY CIRCUIT (SHORT TO GROUND)

1.

Turn ignition switch OFF.

2.

Disconnect the following connectors.

-

IPDM E/R

-

Height sensor

3.

Check continuity between IPDM E/R harness connector and ground.

Is the inspection result normal?

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

B1C00

HEIGHT SENSOR PWR SPLY CIRC
(Height sensor power supply circuit)

[CIRC 
SHORT TO 
GRND]

When ignition switch is ON and the height sensor power 
voltage that is output to the height sensor is 0.5 V or less 
continually for 2 seconds or more.

[CIRC 
SHORT TO 
BATTERY]

When ignition switch is ON and the height sensor power 
voltage that is output to the height sensor is 5.5 V or more 
continually for 2 seconds or more.

IPDM E/R

—

Continuity

Connector

Terminal

E38

25

Ground

Not existed

EXL-82

< DTC/CIRCUIT DIAGNOSIS >

[LED HEADLAMP]

B1C00 HEIGHT SENSOR POWER SUPPLY CIRCUIT

YES

>> GO TO 4.

NO

>> Repair or replace harness.

3.

CHECK HEIGHT SENSOR POWER SUPPLY CIRCUIT (SHORT TO BATTERY)

1.

Turn ignition switch OFF.

2.

Disconnect the following connectors.

-

IPDM E/R

-

Height sensor

3.

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

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace harness.

4.

PERFORM DTC CONFIRMATION PROCEDURE

With CONSULT

1.

Connect the each connectors.

2.

Turn ignition switch ON.

3.

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

4.

Touch “ERASE” to erase DTC memory of IPDM E/R.

5.

Turn ignition switch OFF.

6.

Perform DTC confirmation procedure. Refer to 

EXL-81, "DTC Description"

.

Is DTC detected again?

YES

>> Replace IPDM E/R. Refer to 

PCS-67, "Removal and Installation"

.

NO

>> INSPECTION END

+

-

Voltage

(Approx.)

IPDM E/R

Connector

Terminal

E38

25

Ground

0 V

B1C02 REAR HEIGHT SENSOR SIGNAL

EXL-83

< DTC/CIRCUIT DIAGNOSIS >

[LED HEADLAMP]

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B1C02 REAR HEIGHT SENSOR SIGNAL

DTC Description

INFOID:0000000010452530

DTC DETECTION LOGIC

POSSIBLE CAUSE

[CIRC SHORT TO BATTERY]

• Harness or connector
• Height sensor
• IPDM E/R

[CIRC SHORT TO GROUND OR OPEN]

• Harness or connector
• Height sensor
• IPDM E/R

[CIRC VOLTAGE OUT OF RANGE]

• Height sensor installation condition
• Height sensor
• IPDM E/R

FAIL-SAFE

Right and left headlamp aiming motors stop at the position when DTC is detected.

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

With CONSULT

1.

Turn ignition switch ON and wait at least 2 seconds or more.

2.

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

3.

Check DTC.

Is DTC detected?

YES

>> Refer to 

EXL-83, "Diagnosis Procedure"

.

NO-1

>> To check malfunction symptom before repair: Refer to 

GI-41, "Intermittent Incident"

.

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010452531

1.

CHECK DTC

Perform each inspection according to the displayed DTC.

Which DTC is displayed?

[CIRC SHORT TO BATTERY]>>GO TO 2.
[CIRC SHORT TO GROUND OR OPEN]>>GO TO 4.
[CIRC VOLTAGE OUT OF RANGE]>>GO TO 7.

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

B1C02

RR HEIGHT SENSOR SIGNAL
(Rear height sensor signal)

[CIRC 
SHORT TO 
BATTERY]

When ignition switch is ON and the height sensor signal 
voltage that is input from the height sensor is 4.95 V or 
more continually for 2 seconds or more.

[CIRC 
SHORT TO 
GROUND 
OR OPEN]

When ignition switch is ON and the height sensor signal 
voltage that is input from the height sensor is 0.05 V or 
less continually for 2 seconds or more.

[CIRC 
VOLTAGE 
OUT OF 
RANGE]

When ignition switch is ON and the height sensor signal 
voltage that is input from the height sensor is 4.375 V – 
4.95 V, or 0.05 V – 0.625 V continually for 2 seconds or 
more.

EXL-84

< DTC/CIRCUIT DIAGNOSIS >

[LED HEADLAMP]

B1C02 REAR HEIGHT SENSOR SIGNAL

2.

CHECK HEIGHT SENSOR GROUND CIRCUIT (OPEN)

1.

Turn ignition switch OFF.

2.

Disconnect IPDM E/R connector and height sensor connector.

3.

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

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness.

3.

CHECK HEIGHT SENSOR SIGNAL CIRCUIT (SHORT TO BATTERY)

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

Is the inspection result normal?

YES

>> GO TO 8.

NO

>> Repair or replace harness.

4.

CHECK HEIGHT SENSOR POWER SUPPLY CIRCUIT (OPEN)

1.

Turn ignition switch OFF.

2.

Disconnect IPDM E/R connector and height sensor connector.

3.

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

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Repair or replace harness.

5.

CHECK HEIGHT SENSOR SIGNAL CIRCUIT (OPEN)

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

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Repair or replace harness.

6.

CHECK HEIGHT SENSOR SIGNAL CIRCUIT (SHORT TO GROUND)

Check continuity between IPDM E/R harness connector and ground.

IPDM E/R

Height sensor

Continuity

Connector

Terminal

Connector

Terminal

E38

26

B16

2

Existed

+

-

Voltage

(Approx.)

IPDM E/R

Connector

Terminal

E38

21

Ground

0 V

IPDM E/R

Height sensor

Continuity

Connector

Terminal

Connector

Terminal

E38

25

B16

1

Existed

IPDM E/R

Height sensor

Continuity

Connector

Terminal

Connector

Terminal

E38

21

B16

3

Existed

IPDM E/R

—

Continuity

Connector

Terminal

E38

21

Ground

Not existed

B1C02 REAR HEIGHT SENSOR SIGNAL

EXL-85

< DTC/CIRCUIT DIAGNOSIS >

[LED HEADLAMP]

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Is the inspection result normal?

YES

>> GO TO 8.

NO

>> Repair or replace harness.

7.

CHECK INSTALLATION OF HEIGHT SENSOR

Check height sensor is properly installed. Refer to 

EXL-169, "Exploded View"

.

Is the inspection result normal?

YES

>> GO TO 8.

NO

>> Repair or replace malfunctioning parts and perform sensor initialize. Refer to 

EXL-74, "Work Pro-

cedure"

.

8.

PERFORM DTC CONFIRMATION PROCEDURE

With CONSULT

1.

Connect IPDM E/R connector and height sensor connector.

2.

Turn ignition switch ON.

3.

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

4.

Touch “ERASE” to erase DTC memory of IPDM E/R.

5.

Turn ignition switch OFF.

6.

Perform DTC confirmation procedure. Refer to 

EXL-83, "DTC Description"

.

Is DTC detected again?

YES

>> GO TO 9.

NO

>> INSPECTION END

9.

REPLACE HEIGHT SENSOR

With CONSULT

1.

Replace height sensor. Refer to 

EXL-170, "Removal and Installation"

.

2.

Turn ignition switch ON.

3.

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

4.

Touch “ERASE” to erase DTC memory of IPDM E/R.

5.

Turn ignition switch OFF.

6.

Perform DTC confirmation procedure. Refer to 

EXL-83, "DTC Description"

.

Is DTC detected again?

YES

>> Replace IPDM E/R. Refer to 

PCS-67, "Removal and Installation"

.

NO

>> INSPECTION END

EXL-86

< DTC/CIRCUIT DIAGNOSIS >

[LED HEADLAMP]

B1C07 AIMING MOTOR DRIVE SIGNAL

B1C07 AIMING MOTOR DRIVE SIGNAL

DTC Description

INFOID:0000000010452532

DTC DETECTION LOGIC

POSSIBLE CAUSE

[CIRC SHORT TO GRND]

• Harness or connector
• Headlamp aiming motor
• IPDM E/R

[CIRC SHORT TO BATTERY]

• Harness or connector
• Headlamp aiming motor
• IPDM E/R

[SIGNAL COMPARE FAILURE]

• Harness or connector
• Headlamp aiming motor
• IPDM E/R

FAIL-SAFE

Right and left headlamp aiming motors stop at the position when DTC is detected.

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

With CONSULT

1.

Turn ignition switch ON.

2.

Turn lighting switch 2ND and wait at least 2 seconds or more.

3.

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

4.

Check DTC.

Is DTC detected?

YES

>> Refer to 

EXL-86, "Diagnosis Procedure"

.

NO-1

>> To check malfunction symptom before repair: Refer to 

GI-41, "Intermittent Incident"

.

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010452533

1.

CHECK DTC

Perform each inspection according to the displayed DTC.

Which DTC is displayed?

[CIRC SHORT TO GRND]>>GO TO 2.

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

B1C07

AIMING MOTOR DRIVE SIGNAL
(Aiming motor drive signal)

[CIRC 
SHORT TO 
GRND]

When ignition switch is ON, headlamp (LO) ON condi-
tions are satisfied, and the aiming motor drive signal volt-
age that is output to the headlamp aiming motor is 1.25 V 
or less continually for 2 seconds or more.

[CIRC 
SHORT TO 
BATTERY]

When ignition switch is ON, headlamp (LO) ON condi-
tions are satisfied, and the aiming motor drive signal volt-
age that is output to the headlamp aiming motor is 11.25 
V or more continually for 2 seconds or more.

[SIGNAL 
COMPARE 
FAILURE]

When ignition switch is ON, headlamp (LO) ON condi-
tions are satisfied, and the difference between the calcu-
lated value and actual output value for the aiming motor 
drive signal voltage that is output to the headlamp aiming 
motor is 1.75 V or more continually for 2 seconds or more.

B1C07 AIMING MOTOR DRIVE SIGNAL

EXL-87

< DTC/CIRCUIT DIAGNOSIS >

[LED HEADLAMP]

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[CIRC SHORT TO BATTERY]>>GO TO 3.
[SIGNAL COMPARE FAILURE]>>GO TO 4.

2.

CHECK AIMING MOTOR DRIVE SIGNAL CIRCUIT (SHORT TO GROUND)

1.

Turn ignition switch OFF.

2.

Turn lighting switch OFF.

3.

Disconnect the following connectors.

-

IPDM E/R

-

Headlamp aiming motor LH

-

Headlamp aiming motor RH

4.

Check continuity between IPDM E/R harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Repair or replace harness.

3.

CHECK AIMING MOTOR DRIVE SIGNAL CIRCUIT (SHORT TO BATTERY)

1.

Turn ignition switch OFF.

2.

Turn lighting switch OFF.

3.

Disconnect the following connectors.

-

IPDM E/R

-

Headlamp aiming motor LH

-

Headlamp aiming motor RH

4.

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

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Repair or replace harness.

4.

CHECK AIMING MOTOR DRIVE SIGNAL

With CONSULT

1.

Select “OPTIC AXIS ACTIVE TEST” in “Active Test” mode of “IPDM E/R” using CONSULT.

2.

With operating the test items, check voltage between IPDM E/R harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> GO TO 6.

5.

CHECK AIMING MOTOR DRIVE SIGNAL CIRCUIT (OPEN)

1.

Turn ignition switch OFF.

2.

Disconnect the following connectors.

-

IPDM E/R

-

Headlamp aiming motor LH

IPDM E/R

—

Continuity

Connector

Terminal

E101

56

Ground

Not existed

+

-

Voltage

(Approx.)

IPDM E/R

Connector

Terminal

E101

56

Ground

0 V

+

-

Test item

Voltage

(Approx.)

IPDM E/R

Connector

Terminal

E101

56

Ground

OPTIC AXIS 
ACTIVE TEST

Default

3.54 V

Lower

11.07 V

EXL-88

< DTC/CIRCUIT DIAGNOSIS >

[LED HEADLAMP]

B1C07 AIMING MOTOR DRIVE SIGNAL

-

Headlamp aiming motor RH

3.

Check continuity between IPDM E/R harness connector and headlamp aiming motor harness connector.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Repair or replace harness.

6.

PERFORM DTC CONFIRMATION PROCEDURE

With CONSULT

1.

Connect IPDM E/R connector and headlamp aiming motor connector.

2.

Turn ignition switch ON.

3.

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

4.

Touch “ERASE” to erase DTC memory of IPDM E/R.

5.

Turn ignition switch OFF.

6.

Perform DTC confirmation procedure. Refer to 

EXL-86, "DTC Description"

.

Is DTC detected again?

YES

>> GO TO 7.

NO

>> INSPECTION END

7.

REPLACE HEADLAMP AIMING MOTOR

With CONSULT

1.

Replace headlamp aiming motor. Refer to 

EXL-162, "Disassembly and Assembly"

.

2.

Turn ignition switch ON.

3.

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

4.

Touch “ERASE” to erase DTC memory of IPDM E/R.

5.

Turn ignition switch OFF.

6.

Perform DTC confirmation procedure. Refer to 

EXL-86, "DTC Description"

.

Is DTC detected again?

YES

>> Replace IPDM E/R. Refer to 

PCS-67, "Removal and Installation"

.

NO

>> INSPECTION END

IPDM E/R

Headlamp aiming motor

Continuity

Connector

Terminal

Connector

Terminal

RH

E101

56

E99

2

Existed

LH

E98

B1C12 REAR HEIGHT SENSOR SIGNAL

EXL-89

< DTC/CIRCUIT DIAGNOSIS >

[LED HEADLAMP]

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B1C12 REAR HEIGHT SENSOR SIGNAL

DTC Description

INFOID:0000000010452536

DTC DETECTION LOGIC

POSSIBLE CAUSE

• Height sensor installation condition
• Height sensor
• IPDM E/R

FAIL-SAFE

Right and left headlamp aiming motors stop at the position when DTC is detected.

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

With CONSULT

1.

Turn ignition switch ON and wait at least 30 seconds or more.

2.

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

3.

Check DTC.

Is DTC detected?

YES

>> Refer to 

EXL-89, "Diagnosis Procedure"

.

NO-1

>> To check malfunction symptom before repair: Refer to 

GI-41, "Intermittent Incident"

.

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010452537

1.

CHECK HEIGHT SENSOR SIGNAL

1.

Unload the vehicle (no passenger aboard).

2.

Turn ignition switch ON.

3.

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

Multi-link rear suspension models

Torsion beam rear suspension models

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> GO TO 2.

2.

CHECK INSTALLATION OF HEIGHT SENSOR

Check height sensor is properly installed. Refer to 

EXL-169, "Exploded View"

.

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

B1C12

RR HEIGHT SENSOR SIGNAL
(Rear height sensor signal)

[SIG 
PRTCTN 
CLCLTN IN-
CRCT]

When ignition switch is ON and the height sensor signal 
voltage that is input from the height sensor is 4.75 V or 
more, or 0.25 V or less compared to the initial setting val-
ue continually for 30 seconds or more.

+

-

Voltage

(Approx.)

IPDM E/R

Connector

Terminal

E38

21

Ground

1.5 V

+

-

Voltage

(Approx.)

IPDM E/R

Connector

Terminal

E38

21

Ground

2.35 V

EXL-90

< DTC/CIRCUIT DIAGNOSIS >

[LED HEADLAMP]

B1C12 REAR HEIGHT SENSOR SIGNAL

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace malfunctioning parts and perform sensor initialize. Refer to 

EXL-74, "Work Pro-

cedure"

.

3.

PERFORM SENSOR INITIALIZE

Perform sensor initialize. Refer to 

EXL-74, "Work Procedure"

.

Is the sensor initialize completed?

YES

>> GO TO 4.

NO

>> Replace height sensor. Refer to 

EXL-170, "Removal and Installation"

.

4.

PERFORM DTC CONFIRMATION PROCEDURE

With CONSULT

1.

Turn ignition switch ON.

2.

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

3.

Touch “ERASE” to erase DTC memory of IPDM E/R.

4.

Turn ignition switch OFF.

5.

Perform DTC confirmation procedure. Refer to 

EXL-89, "DTC Description"

.

Is DTC detected again?

YES

>> GO TO 5.

NO

>> INSPECTION END

5.

REPLACE HEIGHT SENSOR

With CONSULT

1.

Replace height sensor. Refer to 

EXL-170, "Removal and Installation"

.

2.

Turn ignition switch ON.

3.

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

4.

Touch “ERASE” to erase DTC memory of IPDM E/R.

5.

Turn ignition switch OFF.

6.

Perform DTC confirmation procedure. Refer to 

EXL-89, "DTC Description"

.

Is DTC detected again?

YES

>> Replace IPDM E/R. Refer to 

PCS-67, "Removal and Installation"

.

NO

>> INSPECTION END

B20CB DAYTIME RUNNING LIGHT LH POWER SUPPLY CIRCUIT

EXL-91

< DTC/CIRCUIT DIAGNOSIS >

[LED HEADLAMP]

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B20CB DAYTIME RUNNING LIGHT LH POWER SUPPLY CIRCUIT

DTC Description

INFOID:0000000010452605

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-91,

"Diagnosis Procedure"

 and replace IPDM E/R after the malfunctioning part is repaired. Refer to

PCS-67, "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-91, "Diagnosis Procedure"

.

NO-1

>> To check malfunction symptom before repair: Refer to 

GI-41, "Intermittent Incident"

.

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010452606

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-92

< 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-67, "Removal and Installation"

.

3.

CHECK DAYTIME RUNNING LIGHT LH

Check the daytime running light LH. Refer to 

EXL-92, "Component Inspection"

.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace front combination lamp LH. Refer to 

EXL-161, "Removal and Installation"

.

Component Inspection

INFOID:0000000010452607

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-161, "Removal and Installation"

.

IPDM E/R 

—

Continuity

Connector

Terminal

E102

64

Ground

Not existed

+

-

Test item

Voltage

Front combination lamp LH

Connector

Terminal

E91

4

Ground

DAYTIME 
RUNNING 
LIGHT

On

9 – 16 V

Off

0 – 1 V

Front combination lamp LH

Resistance

Terminal

4

6

Except 0 

Ω

B20CE HEADLAMP (HI) LH POWER SUPPLY CIRCUIT

EXL-93

< 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:0000000010452538

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-93, "Diag-

nosis Procedure"

 and replace IPDM E/R after the malfunctioning part is repaired. Refer to 

PCS-

67, "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-93, "Diagnosis Procedure"

.

NO-1

>> To check malfunction symptom before repair: Refer to 

GI-41, "Intermittent Incident"

.

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010452539

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-94

< 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-67, "Removal and Installation"

.

3.

CHECK HEADLAMP (HI) LH

Check the headlamp (HI) LH. Refer to 

EXL-94, "Component Inspection"

.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace front combination lamp LH. Refer to 

EXL-161, "Removal and Installation"

.

Component Inspection

INFOID:0000000010452540

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-161, "Removal and Installation"

.

IPDM E/R 

—

Continuity

Connector

Terminal

E101

51

Ground

Not existed

+

-

Test item

Voltage

Front combination lamp LH

Connector

Terminal

E91

7

Ground

HEADLAMP 
(HI)

On

9 – 16 V

Off

0 – 1 V

Front combination lamp LH

Resistance

Terminal

7

2

Except 0 

Ω

B20CF HEADLAMP (HI) RH POWER SUPPLY CIRCUIT

EXL-95

< DTC/CIRCUIT DIAGNOSIS >

[LED HEADLAMP]

C

D

E

F

G

H

I

J

K

M

A

B

EXL

N

O

P

B20CF HEADLAMP (HI) RH POWER SUPPLY CIRCUIT

DTC Description

INFOID:0000000010452541

DTC DETECTION LOGIC

POSSIBLE CAUSE

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

FAIL-SAFE

Shuts off the power supply to the headlamp (HI) RH 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) RH 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) RH 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-95, "Diag-

nosis Procedure"

 and replace IPDM E/R after the malfunctioning part is repaired. Refer to 

PCS-

67, "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-95, "Diagnosis Procedure"

.

NO-1

>> To check malfunction symptom before repair: Refer to 

GI-41, "Intermittent Incident"

.

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010452542

1.

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

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

B20CF

HL (HI) RH 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) RH power supply circuit.

Monitor item

Monitor status

HL (HI) RH CIRC MALFUNCTN

0

1

EXL-96

< DTC/CIRCUIT DIAGNOSIS >

[LED HEADLAMP]

B20CF HEADLAMP (HI) RH POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Turn lighting switch OFF.

3.

Disconnect IPDM E/R connector and front combination lamp RH 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) RH 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 RH harness connector
and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Replace IPDM E/R. Refer to 

PCS-67, "Removal and Installation"

.

3.

CHECK HEADLAMP (HI) RH

Check the headlamp (HI) RH. Refer to 

EXL-96, "Component Inspection"

.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace front combination lamp RH. Refer to 

EXL-161, "Removal and Installation"

.

Component Inspection

INFOID:0000000010452543

1.

CHECK HEADLAMP (HI) RH

1.

Turn ignition switch OFF.

2.

Disconnect front combination lamp RH connector.

3.

Check resistance of front combination lamp RH terminals.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace front combination lamp RH. Refer to 

EXL-161, "Removal and Installation"

.

IPDM E/R 

—

Continuity

Connector

Terminal

E102

62

Ground

Not existed

+

-

Test item

Voltage

Front combination lamp RH

Connector

Terminal

E93

7

Ground

HEADLAMP 
(HI)

On

9 – 16 V

Off

0 – 1 V

Front combination lamp RH

Resistance

Terminal

7

2

Except 0 

Ω

 

 

 

 

 

 

 

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