Nissan Maxima. Manual - part 14

ADP-48

< DTC/CIRCUIT DIAGNOSIS >

POWER SUPPLY AND GROUND CIRCUIT

Regarding Wiring Diagram information, refer to 

ADP-150, "Wiring Diagram"

.

1.

 CHECK POWER SUPPLY CIRCUIT 

1. Turn ignition switch OFF.

2. Disconnect driver seat control unit.

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

Is the inspection result normal?

YES

>> GO TO 2

NO

>> Check the following.

• Repair or replace harness.

• Circuit breaker.

2.

 CHECK GROUND CIRCUIT

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

Is the inspection result normal?

YES

>> Driver seat control unit power supply and ground circuit are OK.

NO

>> Repair or replace harness.

DRIVER SEAT CONTROL UNIT : Special Repair Requirement

INFOID:0000000010051728

1.

PERFORM ADDITIONAL SERVICE

Perform additional service when removing battery negative terminal.

>> Refer to Owner’s Manual.

AUTOMATIC DRIVE POSITIONER CONTROL UNIT
AUTOMATIC DRIVE POSITIONER CONTROL UNIT : Diagnosis Procedure

INFOID:0000000010051729

NOTE:

Do not disconnect the battery negative terminal and the driver seat control unit connector until DTC is con-

firmed with CONSULT.

Regarding Wiring Diagram information, refer to 

ADP-150, "Wiring Diagram"

.

1.

 CHECK POWER SUPPLY CIRCUIT

Terminals

Power source

Condition

Voltage (V)

(Approx.)

(+)

(–)

Driver seat control unit 

connector

Terminal

B211

37

Ground

Battery power supply

Ignition switch OFF

Battery voltage

Driver seat control unit

connector

Terminal

Ground

Continuity

B211

39

Yes

POWER SUPPLY AND GROUND CIRCUIT

ADP-49

< DTC/CIRCUIT DIAGNOSIS >

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1. Turn ignition switch OFF.

2. Disconnect automatic drive positioner control unit.

3. Check voltage between automatic drive positioner control unit

harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 2

NO

>> Check the following.

• Repair or replace harness.

• Circuit breaker.

2.

 CHECK GROUND CIRCUIT

Check continuity between the automatic drive positioner control unit

harness connector and ground.

Is the inspection result normal?

YES

>> Automatic drive positioner control unit power supply and

ground circuit are OK.

NO

>> Repair or replace harness.

AUTOMATIC DRIVE POSITIONER CONTROL UNIT : Special Repair Requirement

INFOID:0000000010051730

1.

PERFORM ADDITIONAL SERVICE

Perform additional service when removing battery negative terminal.

>> Refer to Owner’s Manual.

Terminals

Voltage (V)

(Pyrex.)

(+)

(–)

Automatic drive positioner 

control unit connector

Terminal

M67

25

Ground

Battery voltage

ALJIA0374ZZ

Automatic drive positioner 

control unit connector

Terminal

Ground

Continuity

M67

30

Yes

ALJIA0373ZZ

ADP-50

< DTC/CIRCUIT DIAGNOSIS >

SLIDING SWITCH

SLIDING SWITCH

Description

INFOID:0000000010051731

Sliding switch is equipped to the power seat switch LH on the seat frame. The operation signal is input to the

driver seat control unit when the sliding switch is operated.

Component Function Check

INFOID:0000000010051732

1.

 CHECK FUNCTION

1. Select “SLIDE SW-FR”, “SLIDE SW-RR” in “DATA MONITOR” mode with CONSULT. 

2. Check sliding switch signal under the following conditions.

Is the indication normal?

YES

>> Inspection End.

NO

>> Perform diagnosis procedure. Refer to 

ADP-50, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000010051733

Regarding Wiring Diagram information, refer to 

ADP-150, "Wiring Diagram"

.

1.

 CHECK SLIDING SWITCH SIGNAL

1. Turn ignition switch OFF.

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

Is the inspection result normal?

YES

>> GO TO 5

NO

>> GO TO 2

2.

 CHECK SLIDING SWITCH CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect driver seat control unit and power seat switch LH.

3. Check continuity between driver seat control unit harness connector and power seat switch LH harness

connector.

Monitor item

Condition

Status

SLIDE SW-FR

Sliding switch (forward)

Operate

ON

Release

OFF

SLIDE SW-RR

Sliding switch (backward)

Operate

ON

Release

OFF

Driver seat control unit connec-

tor

Terminals

Condition

Voltage (V)

(Approx.)

(+)

(–)

B203

9

Ground

Sliding switch

Operate (back-

ward)

0

Release

Battery voltage

25

Operate (forward)

0

Release

Battery voltage

Driver seat control unit connec-

tor

Terminal

Power seat switch LH connec-

tor

Terminal

Continuity

B203

9

B213

6

Yes

25

7

SLIDING SWITCH

ADP-51

< DTC/CIRCUIT DIAGNOSIS >

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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 DRIVER SEAT CONTROL UNIT OUTPUT

1. Connect the driver seat control unit.

2. Turn ignition switch ON.

3. 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-169, "Removal and Installation"

.

4.

 CHECK SLIDING SWITCH

Refer to 

ADP-51, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 5

NO

>> Replace power seat switch LH. Refer to 

SE-77, "DRIVER SIDE : Disassembly and Assembly"

.

5.

 CHECK INTERMITTENT INCIDENT

Refer to 

GI-41, "Intermittent Incident"

.

Is the inspection result normal?

YES

>> Replace driver seat control unit. Refer to 

ADP-169, "Removal and Installation"

.

NO

>> Repair or replace malfunctioning part.

Component Inspection

INFOID:0000000010051734

1.

 CHECK SLIDING SWITCH

1. Turn ignition switch OFF.

2. Disconnect power seat switch LH.

3. Check continuity between power seat switch LH terminals.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Replace power seat switch LH. Refer to 

SE-77, "DRIVER SIDE : Disassembly and Assembly"

.

Driver seat control unit connector

Terminal

Ground

Continuity 

B203

9

No

25

Driver seat control unit connector

Terminals

Voltage (V)

(Approx.)

(+)

(–)

B203

9

Ground

Battery voltage

25

Terminal

Condition

Continuity

Power seat switch LH

3

6

Sliding switch (backward)

Operate

Yes

Release

No

7

Sliding switch (forward)

Operate

Yes

Release

No