Nissan Pathfinder. Manual - part 708

B2630, B2631 SUNLOAD SENSOR

HAC-93

< DTC/CIRCUIT DIAGNOSIS >

[AUTOMATIC AIR CONDITIONING]

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3. Check continuity between sunload sensor harness connector M101 terminal 2 and A/C auto amp. harness

connector M50 terminal 26.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair harness or connector.

3.

CHECK SUNLOAD SENSOR

1. Reconnect sunload sensor connector and A/C auto amp. connector.

2. Check sunload sensor. Refer to 

HAC-93, "Component Inspection"

.

Is the inspection result normal?

YES

>> Replace A/C auto amp. Refer to 

HAC-157, "Removal and Installation"

.

NO

>> Replace sunload sensor. Refer to 

HAC-160, "Removal and Installation"

.

4.

CHECK CONTINUITY BETWEEN SUNLOAD SENSOR AND A/C AUTO AMP.

1. Turn ignition switch OFF.

2. Disconnect A/C auto amp. connector.

3. Check continuity between sunload sensor harness connector M101 terminal 1 and A/C auto amp. harness

connector M50 terminal 9.

4. Check continuity between sunload sensor harness connector M101 terminal 1 and ground.

Is the inspection result normal?

YES

>> Replace A/C auto amp. Refer to 

HAC-157, "Removal and Installation"

.

NO

>> Repair harness or connector.

Component Inspection

INFOID:0000000009176832

1.

CHECK SUNLOAD SENSOR

1. Turn ignition switch ON.

2. Check voltage between A/C auto amp. harness connector and ground.

Sunload sensor

A/C auto amp.

Continuity

Connector

Terminal

Connector

Terminal

M101

2

M50

26

Yes

Sunload sensor

A/C auto amp.

Continuity

Connector

Terminal

Connector

Terminal

M101

1

M50

9

Yes

Sunload sensor

—

Continuity

Connector

Terminal

M101

1

Ground

No

(+)

(

−)

A/C auto amp.

—

Connector

Terminal

M50

9

Ground

HAC-94

< DTC/CIRCUIT DIAGNOSIS >

[AUTOMATIC AIR CONDITIONING]

B2630, B2631 SUNLOAD SENSOR

NOTE:

Select a place in direct sunlight when checking sunload sensor.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Replace sunload sensor. Refer to 

HAC-160, "Removal and Installation"

.

AWIIA1189GB

B2632, B2633 AIR MIX DOOR MOTOR (DRIVER SIDE)

HAC-95

< DTC/CIRCUIT DIAGNOSIS >

[AUTOMATIC AIR CONDITIONING]

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B2632, B2633 AIR MIX DOOR MOTOR (DRIVER SIDE)

DTC Logic

INFOID:0000000009176833

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

With CONSULT

1. Turn ignition switch ON.

2. Using CONSULT, perform “SELF-DIAGNOSIS RESULTS” of HVAC. 

3. Check if any DTC No. is displayed in the self-diagnosis results. 
Is DTC detected?

YES

>> Refer to 

HAC-95, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000009176834

Regarding Wiring Diagram information, refer to 

HAC-49, "Wiring Diagram"

.

1.

CHECK AIR MIX DOOR MOTOR (DRIVER SIDE) COMMUNICATION SIGNAL

1. Turn ignition switch ON.

2. Check output waveform between air mix door motor (driver side) harness connector and ground with the

oscilloscope. 

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> GO TO 3.

2.

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"

.

DTC

Items

(CONSULT screen terms)

DTC detection condition

Possible cause

B2632

DR AIR MIX DOOR MOT

Air mix door motor (driver side) PBR 
position 95% or more

• Air mix door motor (driver side)

(PBR internal circuit is open or short-
ed)

• Air mix door motor (driver side) instal-

lation condition

• A/C auto amp.
• Harness and connector

(LIN communication line is open or 
shorted)

B2633

Air mix door motor (driver side) PBR 
position 5% or less

+

−

Output waveform

Air mix door motor (driver side)

Connector

Terminal

M130

2

Ground

SJIA1453J

HAC-96

< DTC/CIRCUIT DIAGNOSIS >

[AUTOMATIC AIR CONDITIONING]

B2632, B2633 AIR MIX DOOR MOTOR (DRIVER SIDE)

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.

3.

CHECK AIR MIX DOOR MOTOR (DRIVER SIDE) COMMUNICATION SIGNAL CIRCUIT

1. Turn ignition switch OFF.

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

A/C auto amp.

Continuity

Connector

Terminal

Connector

Terminal

M130

2

M50

16

Yes