Nissan Rogue. Manual - part 786

HAC-166

< DTC/CIRCUIT DIAGNOSIS >

[MANUAL AIR CONDITIONING]

B24BB LEFT AIR MIX DOOR MOTOR

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Replace air mix door motor. Refer to 

HAC-186, "AIR MIX DOOR MOTOR : Removal and Installa-

tion"

.

Terminal

Resistance (

Ω)

(Approx.)

2

3

90

6

1

4

POWER SUPPLY AND GROUND CIRCUIT

HAC-167

< DTC/CIRCUIT DIAGNOSIS >

[MANUAL AIR CONDITIONING]

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POWER SUPPLY AND GROUND CIRCUIT

FRONT A/C CONTROL
FRONT A/C CONTROL : Diagnosis Procedure

INFOID:0000000011276705

Regarding Wiring Diagram information, refer to 

HAC-137, "Wiring Diagram"

.

1.

CHECK FUSE

Check 10A fuse [No. 20, located in the fuse block (J/B)].

NOTE:

Refer to 

PG-64, "Terminal Arrangement"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Replace the blown fuse after repairing the affected circuit.

2.

CHECK FRONT AIR CONTROL POWER SUPPLY

1. Turn ignition switch OFF.

2. Disconnect front air control connector. 

3. Check voltage between front air control harness connector and ground. 

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair harness or connector.

3.

CHECK FRONT AIR CONTROL GROUND CIRCUIT

1. Turn ignition switch OFF.

2. Check continuity between front air control harness connector and ground. 

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Repair harness or connector.

+

−

Voltage

Front air control

Ignition switch position

Connector

Terminal

OFF

ACC

ON

M50

3

Ground

Approx. 0 V

Approx. 0 V

Battery voltage

Front air control

—

Continuity

Connector

Terminal

M50

19

Ground

Yes

HAC-168

< DTC/CIRCUIT DIAGNOSIS >

[MANUAL AIR CONDITIONING]

FRONT BLOWER MOTOR

FRONT BLOWER MOTOR

Diagnosis Procedure

INFOID:0000000011276706

Regarding Wiring Diagram information, refer to 

HAC-137, "Wiring Diagram"

.

1.

CHECK FUSE

1. Turn ignition switch OFF.

2. Check 15A fuses [Nos. 17 and 27, located in fuse block (J/B)]

NOTE:

Refer to 

PG-64, "Terminal Arrangement"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Replace the blown fuse after repairing the affected circuit.

2.

CHECK FRONT BLOWER MOTOR POWER SUPPLY

1. Disconnect front blower motor connector. 

2. Turn ignition switch ON.

3. Check voltage between front blower motor harness connector and ground. 

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> GO TO 3.

3.

CHECK FRONT BLOWER RELAY

1. Turn ignition switch OFF.

2. Check front blower relay. Refer to 

HAC-171, "Component Inspection (Front Blower Relay)"

.

Is the inspection result normal?

YES

>> Repair harness or connector between front blower motor and fuse.

NO

>> Replace front blower relay.

4.

CHECK BLOWER MOTOR CONTROL CIRCUIT

1. Turn ignition switch OFF.

2. Connect front blower motor connector.

3. Disconnect variable blower control connector.

4. Turn ignition switch ON.

5. Check voltage between variable blower control harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> GO TO 5.

5.

CHECK FRONT BLOWER MOTOR CONTROL CIRCUIT FOR OPEN

1. Turn ignition switch OFF.

+

−

Voltage

(Approx.)

Front blower motor

Connector

Terminal

M144

1

Ground

Battery voltage

+

−

Voltage

(Approx.)

Variable blower control

Connector

Terminal

M146

1

Ground

Battery voltage

FRONT BLOWER MOTOR

HAC-169

< DTC/CIRCUIT DIAGNOSIS >

[MANUAL AIR CONDITIONING]

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2. Disconnect front blower motor connector.

3. Check continuity between variable blower control harness connector and front blower motor harness con-

nector. 

Is the inspection result normal?

YES

>> Replace front blower motor. Refer to 

VTL-16, "Removal and Installation"

.

NO

>> Repair harness or connector.

6.

CHECK VARIABLE BLOWER CONTROL GROUND CIRCUIT FOR OPEN

1. Turn ignition switch OFF.

2. Check continuity between variable blower control harness connector and ground. 

Is the inspection result normal?

YES

>> GO TO 7.

NO

>> Repair harness or connector.

7.

CHECK VARIABLE BLOWER CONTROL SIGNAL CIRCUIT

1. Turn blower control dial fully counterclockwise to the OFF position

2. While turning the blower control dial clockwise, through each detent, check voltage between variable

blower control and ground. 

Variable blower control

Front blower motor

Continuity

Connector

Terminal

Connector

Terminal

M146

1

M144

2

Yes

Variable blower control

—

Continuity

Connector

Terminal

M146

3

Ground

Yes