Nissan Titan A60. Manual - part 11

ADP-34

< DTC/CIRCUIT DIAGNOSIS >

B2114 SEAT LIFTER FR

B2114 SEAT LIFTER FR

Description

INFOID:0000000006163467

• The lifting motor (front) is installed to the power seat frame assembly.

• The lifting motor (front) is activated with the driver seat control unit.

• Tilts the seat front up/down by changing the rotation direction of lifting motor (front).

DTC Logic

INFOID:0000000006163468

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

 STEP 1

Turn ignition switch ON.

>> GO TO 2

2.

 STEP 2

Check “Self diagnostic result” with CONSULT-III.
Is the DTC detected? 

YES

>> Perform diagnosis procedure. Refer to 

ADP-34, "Diagnosis Procedure"

.

NO

>> Inspection End.

NOTE:

First perform diagnosis for B2126 if B2126 is detected. Refer to 

ADP-43, "Diagnosis Procedure (Column

Shift)"

.

Diagnosis Procedure

INFOID:0000000006163469

Regarding Wiring Diagram information, refer to 

ADP-128, "Wiring Diagram"

.

1.

PERFORM DTC CONFIRMATION PROCEDURE

1. Turn ignition switch ON.

2. Check “Self diagnostic result” with CONSULT-III.

3. Erase the DTC.

4. Perform DTC confirmation procedure. Refer to 

ADP-34, "DTC Logic"

.

Is the DTC displayed again?

YES

>> GO TO 2.

NO

>> Check intermittent incident. Refer to 

GI-39, "Intermittent Incident"

.

2.

CHECK LIFTING MOTOR (FRONT) CIRCUIT (POWER SHORT) 

1. Turn ignition switch OFF.

2. Disconnect automatic drive positioner control unit and tilt motor connector.

3. Check voltage between tilt motor harness connector and ground.

DTC No.

Trouble diagnosis 

name

DTC detecting condition

Possible cause

B2114

SEAT LIFTER FR

The driver seat control unit detects the output of lift-
ing motor (front) output terminal for 0.1 second or 
more even if the lifting switch is not input.

• Driver seat control unit

B2114 SEAT LIFTER FR

ADP-35

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

K

L

M

A

B

ADP

N

O

P

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair circuit for short to voltage.

3.

CHECK AUTOMATIC DRIVER POSITIONER CONTROL UNIT OUTPUT SIGNAL

1. Connect automatic drive positioner control unit connector.

2. Check voltage between automatic drive positioner control unit harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Replace automatic drive positioner control unit. Refer to 

ADP-148, "Removal and Installation"

.

4.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-39, "Intermittent Incident"

.

>> Inspection End.

(+)

(–)

Voltage (V)

(Approx.)

Lifting motor (front)

Connector

Terminals

B206

1

Ground

0

5

(+)

(–)

Voltage (V)

(Approx.)

Automatic drive positioner control unit 

Connector

Terminals

B203

37

Ground

0

45

ADP-36

< DTC/CIRCUIT DIAGNOSIS >

B2115 SEAT LIFTER RR

B2115 SEAT LIFTER RR

Description

INFOID:0000000006163470

• The lifting motor (rear) is installed to the power seat frame assembly.

• The lifting motor (rear) is activated with the driver seat control unit.

• Tilts the seat rear up/down by changing the rotation direction of lifting motor (rear).

DTC Logic

INFOID:0000000006163471

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

 STEP 1

Turn ignition switch ON.

>> GO TO 2

2.

 STEP 2

Check “Self diagnostic result” with CONSULT-III.
Is the DTC detected? 

YES

>> Perform diagnosis procedure. Refer to 

ADP-36, "Diagnosis Procedure"

.

NO

>> Inspection End.

NOTE:

First perform diagnosis for B2126 if B2126 is detected. Refer to 

ADP-43, "Diagnosis Procedure (Column

Shift)"

.

Diagnosis Procedure

INFOID:0000000006163472

Regarding Wiring Diagram information, refer to 

ADP-128, "Wiring Diagram"

.

1.

PERFORM DTC CONFIRMATION PROCEDURE

1. Turn ignition switch ON.

2. Check “Self diagnostic result” with CONSULT-III.

3. Erase the DTC.

4. Perform DTC confirmation procedure. Refer to 

ADP-36, "DTC Logic"

.

Is the DTC displayed again?

YES

>> GO TO 2.

NO

>> Check intermittent incident. Refer to 

GI-39, "Intermittent Incident"

.

2.

CHECK LIFTING MOTOR (REAR) CIRCUIT (POWER SHORT)

1. Turn ignition switch OFF.

2. Disconnect reclining motor and driver seat control unit connector.

3. Check voltage between reclining motor harness connector and ground.

DTC No.

Trouble diagnosis 

name

DTC detecting condition

Possible cause

B2115

SEAT LIFTER RR

The driver seat control unit detects the output of lift-
ing motor (rear) output terminal for 0.1 second or 
more even if the lifting switch is not input.

• Driver seat control unit

B2115 SEAT LIFTER RR

ADP-37

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

K

L

M

A

B

ADP

N

O

P

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair circuit for short to voltage.

3.

CHECK DRIVER SEAT CONTROL UNIT OUTPUT SIGNAL

1. Connect driver seat control unit connector.

2. Check voltage between driver seat control unit harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Replace driver seat control unit. Refer to 

ADP-148, "Removal and Installation"

.

4.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-39, "Intermittent Incident"

.

>> Inspection End.

(+)

(–)

Voltage (V)

(Approx.)

Lifting motor (rear)

Connector

Terminals

B207

1

Ground

0

5

(+)

(–)

Voltage (V)

(Approx.)

Driver seat control unit

Connector

Terminals

B203

38

Ground

0

39