Infiniti QX56 (JA60). Manual - part 11

 

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Infiniti QX56 (JA60). Manual - part 11

 

 

B2115 SEAT LIFTER RR

ADP-35

< COMPONENT DIAGNOSIS >

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ADP

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B2115 SEAT LIFTER RR

Description

INFOID:0000000005147459

• 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:0000000005147460

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-35, "Diagnosis Procedure"

.

NO

>> Inspection End.

NOTE:

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

ADP-42, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000005147461

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-35, "DTC Logic"

.

Is the DTC displayed again?

YES

>> GO TO 2

NO

>> Check intermittent incident. Refer to 

GI-38, "Intermittent Incident"

.

2.

 CHECK COMPONENTS

Refer to 

ADP-87, "Component Function Check"

 and 

ADP-103, "Component Function Check"

>> Inspection End.

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

ADP-36

< COMPONENT DIAGNOSIS >

B2117 ADJ PEDAL MOTOR

B2117 ADJ PEDAL MOTOR

Description

INFOID:0000000005147462

• The pedal adjusting motor is installed to the pedal assembly. 

• The pedal adjusting motor is activated with the automatic drive positioner control unit.

• The pedal assembly is adjusted forward/backward by changing the rotation direction of pedal adjusting

motor.

DTC Logic

INFOID:0000000005147463

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.

Diagnosis Procedure

INFOID:0000000005147464

Regarding Wiring Diagram information, refer to 

ADP-138, "Wiring Diagram"

.

1.

 CHECK PEDAL ADJUSTING MECHANISM

Check the following.

• Operation malfunction caused by pedal adjusting mechanism deformation or pinched harness or other for-

eign materials

• Operation malfunction and interference with other parts by poor installation
Is the inspection result normal?

YES

>> GO TO 2

NO

>> Repair or replace the malfunctioning part and check again.

2.

 CHECK FUNCTION

1. Turn ignition switch ON.

2. Check “ADJ PEDAL MOTOR” in "Active test" mode with CONSULT-III. 

Is the inspection result normal?

YES

>> Pedal adjusting motor circuit is OK.

DTC No.

Trouble diagnosis 

name

DTC detecting condition

Possible cause

B2117

ADJ PEDAL MOTOR

When any manual or automatic operations are not 
performed, if motor operation is detected for 0.1 
second or more, status is judged "Output error".

• Harness and connectors

(pedal adjusting motor circuit is 
opened/shorted, pedal adjusting 
motor power supply circuit is 
opened/shorted.)

• Pedal adjusting motor

Test item

Description

 ADJ PEDAL MOTOR

The pedal adjusting motor is activated by receiving the drive signal.

B2117 ADJ PEDAL MOTOR

ADP-37

< COMPONENT DIAGNOSIS >

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ADP

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NO

>> GO TO 3

3.

 CHECK PEDAL ADJUSTING MOTOR CIRCUIT HARNESS CONTINUITY

1. Turn ignition switch OFF.

2. Disconnect automatic drive positioner control unit and pedal

adjusting motor.

3. Check continuity between automatic drive positioner control unit

connector M34 (A) terminals 37, 45 and pedal adjusting motor

connector E109 (B) terminals 1, 2.

4. Check continuity between automatic drive positioner control unit

connector M34 (A) terminals 37, 45 and ground.

Is the inspection result normal?

YES

>> GO TO 4

NO

>> Repair or replace harness.

4.

 CHECK AUTOMATIC DRIVE POSITIONER CONTROL UNIT OUTPUT SIGNAL

1. Connect the automatic drive positioner control unit and pedal

adjusting motor assembly.

2. Check voltage between automatic drive positioner control unit

connector and ground.

Is the inspection result normal?

YES

>> Replace pedal adjusting motor assembly. Refer to 

ADP-178, "Removal and Installation"

.

NO

>> GO TO 5

5.

 CHECK INTERMITTENT INCIDENT

Refer to 

GI-38, "Intermittent Incident"

.

Is the inspection result normal?

YES

>> Replace automatic drive positioner control unit. Refer to 

ADP-175, "Removal and Installation"

.

NO

>> Repair or replace the malfunctioning part.

37 - 1

: Continuity should exist.

45 - 2

: Continuity should exist.

37 - Ground

: Continuity should not exist.

45 - Ground

: Continuity should not exist.

ALJIA0195ZZ

Connec-

tor

Terminals

Condition

Voltage (V) 

(Approx.)

(+)

(-)

M34

37

Ground

Pedal adjusting switch ON 
(FORWARD operation)

Battery voltage

Other than above

 0

45

Pedal adjusting switch ON 
(BACKWARD operation)

Battery voltage

Other than above

0

PIIA4806E

ADP-38

< COMPONENT DIAGNOSIS >

B2118 TILT SENSOR

B2118 TILT SENSOR

Description

INFOID:0000000005147465

• The tilt sensor is installed to the steering column assembly.

• The resistance of tilt sensor is changed according to the up/down position of steering column.

• The terminal voltage of automatic drive positioner control unit will be changed according to a change of tilt

sensor resistance. Automatic drive positioner control unit calculates the tilt position from the voltage.

DTC Logic

INFOID:0000000005147466

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-38, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000005147467

Regarding Wiring Diagram information, refer to 

ADP-138, "Wiring Diagram"

.

1.

 CHECK TILT SENSOR SIGNAL

1. Turn ignition switch ON.

2. Select “TILT SEN” in “Data monitor” mode with CONSULT-III. 

3. Check tilt sensor signal under the following condition. 

Is the value normal?

YES

>> GO TO 4

NO

>> GO TO 2

2.

 CHECK FUNCTION

DTC No.

Trouble diagnosis 

name

DTC detecting condition

Possible cause

B2118

TILT SENSOR

The input voltage of tilt sensor is 0.1V or less or 4.9V 
or more.

• Harness and connectors

(Tilt sensor circuit is opened/
shorted, tilt sensor power supply 
circuit is opened/shorted.)

• Tilt sensor

Monitor item

Condition

Value

TILT SEN

Tilt position

Top

2 V

Bottom

4 V

 

 

 

 

 

 

 

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