Nissan Maxima. Manual - part 21

ADP-76

< DTC/CIRCUIT DIAGNOSIS >

SLIDING SENSOR

Is the inspection result normal?

YES

>> Replace front power seat LH (sliding motor). Refer to 

SE-68, "Removal and Installation"

.

NO

>> Repair or replace harness.

Sliding motor

Ground

Continuity

Connector

Terminal

B206

17

Yes

RECLINING SENSOR

ADP-77

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

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A

B

ADP

N

O

P

RECLINING SENSOR

Description

INFOID:0000000010051776

• The reclining motor is installed to the seatback assembly.

• The pulse signal is input to the driver seat control unit when the reclining is operated.

• The driver seat control unit counts the pulse and calculates the reclining amount of the seat.

Component Function Check

INFOID:0000000010051777

1.

 CHECK FUNCTION

1. Select “RECLN PULSE” in “DATA MONITOR” mode with CONSULT.

2. Check reclining sensor signal under the following conditions.

Is the indication normal?

YES

>> Inspection End.

NO

>> Perform diagnosis procedure. Refer to 

ADP-77, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000010051778

Regarding Wiring Diagram information, refer to 

ADP-150, "Wiring Diagram"

.

1.

 CHECK RECLINING SENSOR SIGNAL

1. Turn ignition switch ON.

2. Read voltage signal between driver seat control unit harness connector and ground with oscilloscope.

Is the inspection result normal?

YES

>> Replace driver seat control unit. Refer to 

ADP-169, "Removal and Installation"

.

NO

>> GO TO 2

2.

 CHECK RECLINING SENSOR CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect driver seat control unit and reclining motor.

3. Check continuity between driver seat control unit harness connector and reclining motor harness connec-

tor.

Monitor item

Condition

Value

RECLN PULSE

Seat reclining

Operate (forward)

Change (decrease)

Operate (backward)

Change (increase)

Release

No change

Terminals

Condition

Voltage signal

(+)

(–)

Driver seat con-

trol unit 

Terminal

B203

13

Ground

Seat reclin-
ing

Operate

Other than 
above

0 or 5

JMJIA0119ZZ

ADP-78

< DTC/CIRCUIT DIAGNOSIS >

RECLINING SENSOR

4. Check continuity between driver seat control unit harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3

NO

>> Repair or replace harness.

3.

 CHECK RECLINING SENSOR POWER SUPPLY

1. Connect driver seat control unit.

2. Turn ignition switch ON.

3. Check voltage between reclining motor harness connector and

ground.

Is the inspection result normal?

YES

>> GO TO 5

NO

>> GO TO 4

4.

 CHECK RECLINING SENSOR POWER SUPPLY CIRCUIT 

1. Turn ignition switch OFF.

2. Disconnect driver seat control unit.

3. Check continuity between driver seat control unit harness connector and reclining motor harness connec-

tor.

4. Check continuity between driver seat control unit harness connector and ground.

Is the inspection result normal?

YES

>> Replace driver seat control unit. Refer to 

ADP-169, "Removal and Installation"

.

NO

>> Repair or replace harness.

5.

 CHECK RECLINING SENSOR GROUND 

Driver seat control unit

Reclining motor

Continuity

Connector

Terminal

Connector

Terminal

B203

13

B222

3

Yes

Driver seat control unit

Ground

Continuity 

Connector

Terminal

B203

13

No

(+)

(–)

Voltage (V)

(Approx.)

Reclining motor

Connector

Terminals

B222

4

Ground

Battery voltage

ALJIA0410ZZ

Driver seat control unit

Reclining motor

Continuity

Connector

Terminal

Connector

Terminal

B203

5

B222

4

Yes

Driver seat control unit

Ground

Continuity 

Connector

Terminal

B203

5

No

RECLINING SENSOR

ADP-79

< DTC/CIRCUIT DIAGNOSIS >

C

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ADP

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1. Turn ignition switch OFF.

2. Check continuity between reclining motor harness connector

and ground.

Is the inspection result normal?

YES

>> Replace reclining motor. Refer to 

SE-68, "Removal and

Installation"

.

NO

>> Repair or replace harness.

Reclining motor

Ground

Continuity

Connector

Terminal

B222

2

Yes

ALJIA0412ZZ