Nissan Pathfinder. Manual - part 1017

SE-66

< DTC/CIRCUIT DIAGNOSIS >

CLIMATE CONTROLLED SEAT BLOWER MOTOR

4. Check continuity between climate controlled seatback blower motor harness connector and ground.

Is the inspection result normal?

YES

>> Replace climate controlled seat blower motor. Refer to 

SE-89, "Blower Motor"

.

NO

>> Repair or replace harness.

Climate controlled seat blower motor

Climate controlled seat control unit

Continuity 

Connector

Terminal

Connector

Terminal

Driver side

B213

4

B203

6

Yes

Passenger side

B307

B303

Climate controlled seat blower motor

Ground

Continuity 

Connector

Terminal

Driver side

B213

4

No

Passenger side

B307

CLIMATE CONTROLLED SEAT SWITCH INDICATOR

SE-67

< DTC/CIRCUIT DIAGNOSIS >

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CLIMATE CONTROLLED SEAT SWITCH INDICATOR

Component Function Check

INFOID:0000000009176488

1.

CHECK CLIMATE CONTROLLED SEAT SWITCH INDICATOR FUNCTION

Check that the related indicator lamp illuminates when climate controlled seat switch is set to HEAT or COOL

mode.
Is the inspection result normal?

YES

>> Inspection End.

NO

>> Refer to 

SE-67, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000009176489

Regarding Wiring Diagram information, refer to 

SE-37, "Wiring Diagram"

.

1.

CHECK CLIMATE CONTROLLED SEAT SWITCH INPUT SIGNAL

1. Turn ignition switch ON.

2. Check voltage between climate controlled seat switch harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

CHECK CLIMATE CONTROLLED SEAT SWITCH INDICATOR CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect climate controlled seat switch connector and climate controlled seat control unit connector.

3. Check continuity between climate controlled seat switch harness connector and climate controlled seat

control unit harness connector.

4. Check continuity between climate controlled seat switch harness connector and ground.

(+)

(–)

Condition

Voltage (V)

(Approx.)

Climate controlled seat switch

Climate controlled seat switch

Connector

Terminal

Driver side

M203

5

Ground

HEAT mode

12

OFF

0

4

COOL mode

12

OFF

0

Passenger side

M206

5

HEAT mode

12

OFF

0

4

COOL mode

12

OFF

0

Climate controlled seat switch

Climate controlled seat control unit

Continuity 

Connector

Terminal

Connector

Terminal

Driver side

M203

4

B203

9

Yes

5

1

Passenger side

M206

4

B303

9

5

1

SE-68

< DTC/CIRCUIT DIAGNOSIS >

CLIMATE CONTROLLED SEAT SWITCH INDICATOR

Is the inspection result normal?

YES

>> Replace climate controlled seat control unit. Refer to 

SE-86, "Removal and Installation"

.

NO

>> Repair or replace harness.

3.

CHECK CLIMATE CONTROLLED SEAT SWITCH GROUND CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect climate controlled seat switch connector.

3. Check continuity between climate controlled seat switch harness connector and ground.

Is the inspection result normal?

YES

>> Replace climate controlled seat switch. Refer to 

IP-18, "Removal and Installation"

.

NO

>> Repair or replace harness.

Climate controlled seat switch

Ground

Continuity 

Connector

Terminal

Driver side

M203

4

No

5

Passenger side

M206

4

5

Climate controlled seat switch

Ground

Continuity 

Connector

Terminal

Driver side

M203

6

Yes

Passenger side

M206

CLIMATE CONTROLLED SEAT BLOWER FILTER

SE-69

< DTC/CIRCUIT DIAGNOSIS >

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CLIMATE CONTROLLED SEAT BLOWER FILTER

Diagnosis Procedure

INFOID:0000000009176490

1.

CHECK CLIMATE CONTROLLED SEAT BLOWER FILTER

Remove climate controlled seat blower filter and check that there is no clogging by dirt or foreign matters.
Is the inspection result normal?

YES

>> Inspection End.

NO

>> Replace climate controlled seat blower filter. Refer to 

SE-89, "Blower Motor Filter"

.