Nissan Pathfinder. Manual — part 713

POWER SUPPLY AND GROUND CIRCUIT

HAC-113

< DTC/CIRCUIT DIAGNOSIS >

[AUTOMATIC AIR CONDITIONING]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> GO TO 4.

2.

CHECK AIR MIX DOOR MOTOR (DRIVER SIDE) GROUND CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect air mix door motor (driver side) connector.

3. Check continuity between air mix door motor (driver side) harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair harness or connector.

3.

CHECK INSTALLATION OF AIR MIX DOOR MOTOR (DRIVER SIDE)

Check air mix door motor (driver side) is properly installed. Refer to

HAC-163, "Exploded View"

.

Is the inspection result normal?

YES

>> Replace air mix door motor (driver side). Refer to

HAC-165, "AIR MIX DOOR MOTOR : Removal

and Installation - Air Mix Door Motor (Driver Side)"

.

NO

>> Repair or replace malfunctioning part.

4.

CHECK AIR MIX DOOR MOTOR (DRIVER SIDE) POWER SUPPLY CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect air mix door motor (driver side) connector and A/C auto amp. connector.

3. Check continuity between air mix door motor (driver side) harness connector and A/C auto amp. harness

connector.

Is the inspection result normal?

YES

>> Replace A/C auto amp. Refer to

HAC-157, "Removal and Installation"

.

NO

>> Repair harness or connector.

AIR MIX DOOR MOTOR (PASSENGER SIDE)
AIR MIX DOOR MOTOR (PASSENGER SIDE) : Diagnosis Procedure

INFOID:0000000009176853

Regarding Wiring Diagram information, refer to

HAC-49, "Wiring Diagram"

.

1.

CHECK AIR MIX DOOR MOTOR (PASSENGER SIDE) POWER SUPPLY

1. Turn ignition switch ON.

2. Check voltage between air mix door motor (passenger side) harness connector and ground.

+

−

Voltage

(Approx.)

Air mix door motor (driver side)

Connector

Terminal

M130

1

Ground

Battery voltage

Air mix door motor (driver side)

—

Continuity

Connector

Terminal

M130

3

Ground

Yes

Air mix door motor (driver side)

A/C auto amp.

Continuity

Connector

Terminal

Connector

Terminal

M130

1

M50

17

Yes

HAC-114

< DTC/CIRCUIT DIAGNOSIS >

[AUTOMATIC AIR CONDITIONING]

POWER SUPPLY AND GROUND CIRCUIT

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> GO TO 4.

2.

CHECK AIR MIX DOOR MOTOR (PASSENGER SIDE) GROUND CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect air mix door motor (passenger side) connector.

3. Check continuity between air mix door motor (passenger side) harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair harness or connector.

3.

CHECK INSTALLATION OF AIR MIX DOOR MOTOR (PASSENGER SIDE)

Check air mix door motor (passenger side) is properly installed. Refer to

HAC-163, "Exploded View"

.

Is the inspection result normal?

YES

>> Replace air mix door motor (passenger side). Refer to

HAC-165, "AIR MIX DOOR MOTOR :

Removal and Installation - Air Mix Door Motor (Passenger Side)"

.

NO

>> Repair or replace malfunctioning part.

4.

CHECK AIR MIX DOOR MOTOR (PASSENGER SIDE) POWER SUPPLY CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect air mix door motor (passenger side) connector and A/C auto amp. connector.

3. Check continuity between air mix door motor (passenger side) harness connector and A/C auto amp. har-

ness connector.

Is the inspection result normal?

YES

>> Replace A/C auto amp. Refer to

HAC-157, "Removal and Installation"

.

NO

>> Repair harness or connector.

AIR MIX DOOR MOTOR (REAR)
AIR MIX DOOR MOTOR (REAR) : Diagnosis Procedure

INFOID:0000000009176854

Regarding Wiring Diagram information, refer to

HAC-49, "Wiring Diagram"

.

1.

CHECK AIR MIX DOOR MOTOR (REAR) POWER SUPPLY

1. Turn ignition switch ON.

2. Check voltage between air mix door motor (rear) harness connector and ground.

+

−

Voltage

(Approx.)

Air mix door motor (passenger side)

Connector

Terminal

M131

1

Ground

Battery voltage

Air mix door motor (passenger side)

—

Continuity

Connector

Terminal

M131

3

Ground

Yes

Air mix door motor (passenger side)

A/C auto amp.

Continuity

Connector

Terminal

Connector

Terminal

M131

1

M50

17

Yes

POWER SUPPLY AND GROUND CIRCUIT

HAC-115

< DTC/CIRCUIT DIAGNOSIS >

[AUTOMATIC AIR CONDITIONING]

C

D

E

F

G

H

J

K

L

M

A

B

HAC

N

O

P

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> GO TO 4.

2.

CHECK AIR MIX DOOR MOTOR (REAR) GROUND CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect air mix door motor (rear) connector.

3. Check continuity between air mix door motor (rear) harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair harness or connector.

3.

CHECK INSTALLATION OF AIR MIX DOOR MOTOR (REAR)

Check air mix door motor (rear) is properly installed.
Is the inspection result normal?

YES

>> Replace air mix door motor (rear). Refer to

HAC-165, "AIR MIX DOOR MOTOR : Removal and

Installation - Air Mix Door Motor (Rear)"

.

NO

>> Repair or replace malfunctioning part.

4.

CHECK AIR MIX DOOR MOTOR (REAR) POWER SUPPLY CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect air mix door motor (rear) connector and A/C auto amp. connector.

3. Check continuity between air mix door motor (rear) harness connector and A/C auto amp. harness con-

nector.

Is the inspection result normal?

YES

>> Replace A/C auto amp. Refer to

HAC-157, "Removal and Installation"

.

NO

>> Repair harness or connector.

MODE DOOR MOTOR (FRONT)
MODE DOOR MOTOR (FRONT) : Diagnosis Procedure

INFOID:0000000009176855

Regarding Wiring Diagram information, refer to

HAC-49, "Wiring Diagram"

.

1.

CHECK MODE DOOR MOTOR (FRONT) POWER SUPPLY

1. Turn ignition switch ON.

2. Check voltage between mode door motor (front) harness connector and ground.

+

−

Voltage

(Approx.)

Air mix door motor (rear)

Connector

Terminal

M132

1

Ground

Battery voltage

Air mix door motor (rear)

—

Continuity

Connector

Terminal

M132

3

Ground

Yes

Air mix door motor (rear)

A/C auto amp.

Continuity

Connector

Terminal

Connector

Terminal

M132

1

M50

17

Yes

HAC-116

< DTC/CIRCUIT DIAGNOSIS >

[AUTOMATIC AIR CONDITIONING]

POWER SUPPLY AND GROUND CIRCUIT

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> GO TO 4.

2.

CHECK MODE DOOR MOTOR (FRONT) GROUND CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect mode door motor (front) connector.

3. Check continuity between mode door motor (front) harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair harness or connector.

3.

CHECK INSTALLATION OF MODE DOOR MOTOR (FRONT) CONTROL LINKAGE

Check mode door motor (front) control linkage is properly installed. Refer to

HAC-163, "Exploded View"

.

Is the inspection result normal?

YES

>> Replace mode door motor (front). Refer to

HAC-164, "MODE DOOR MOTOR : Removal and

Installation - Mode Door Motor (Front)"

.

NO

>> Repair or replace malfunctioning part.

4.

CHECK MODE DOOR MOTOR (FRONT) POWER SUPPLY CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect mode door motor (front) connector and A/C auto amp. connector.

3. Check continuity between mode door motor (front) harness connector and A/C auto amp. harness con-

nector.

Is the inspection result normal?

YES

>> Replace A/C auto amp. Refer to

HAC-157, "Removal and Installation"

.

NO

>> Repair harness or connector.

MODE DOOR MOTOR (REAR)
MODE DOOR MOTOR (REAR) : Diagnosis Procedure

INFOID:0000000009176856

Regarding Wiring Diagram information, refer to

HAC-49, "Wiring Diagram"

.

1.

CHECK MODE DOOR MOTOR (REAR) POWER SUPPLY

1. Turn ignition switch ON.

2. Check voltage between mode door motor (rear) harness connector and ground.

+

−

Voltage

(Approx.)

Mode door motor (front)

Connector

Terminal

M129

1

Ground

Battery voltage

Mode door motor (front)

—

Continuity

Connector

Terminal

M129

3

Ground

Yes

Mode door motor (front)

A/C auto amp.

Continuity

Connector

Terminal

Connector

Terminal

M129

1

M50

17

Yes