Nissan Maxima. Manual - part 1009

POWER SUPPLY AND GROUND CIRCUIT

SE-9

< DTC/CIRCUIT DIAGNOSIS >

[WITH CLIMATE CONTROLLED SEATS]

C

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A

B

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1. Turn ignition switch OFF.

2. Check continuity between climate controlled seat control unit

connector B217 terminal 30 and ground.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Repair the harness or connectors.

5.

CHECK CLIMATE CONTROLLED SEAT RELAY

Perform the climate controlled seat relay component inspection. Refer to 

SE-10, "CLIMATE CONTROLLED

SEAT CONTROL UNIT : Component Inspection (Climate Controlled Seat Relay)"

.

Is the inspection result normal?

YES

>> GO TO 8.

NO

>> Replace the climate controlled seat relay.

6.

CHECK CIRCUIT BREAKER POWER SUPPLY CIRCUIT

1. Disconnect the circuit breaker connector M84.

2. Check voltage between circuit breaker connector M84 terminal 1

and ground.

Is the inspection result normal?

YES

>> GO TO 7.

NO

>> Repair the harness or connectors.

7.

CHECK BATTERY POWER SUPPLY CIRCUIT FOR OPEN

Check continuity between circuit breaker connector M84 (A) terminal

2 and climate controlled seat control unit connector B217 (B) termi-

nal 29.

Is the inspection result normal?

YES

>> Replace the circuit breaker.

NO

>> Repair the harness or connectors.

8.

CHECK CLIMATE CONTROLLED SEAT RELAY BATTERY POWER SUPPLY CIRCUIT

1. Disconnect climate controlled seat relay connector.

2. Check voltage between climate controlled seat relay connector

M58 terminal 3 and ground.

Is the inspection result normal?

YES

>> GO TO 9.

NO

>> Repair the harness or connectors.

9.

CHECK CLIMATE CONTROLLED SEAT RELAY IGNITION POWER SUPPLY CIRCUIT

Connector

Terminal

Ground

Continuity

B217

30

—

Yes

AWJIA0367ZZ

Connector

Terminal

Ground

Voltage

(Approx.)

M84

1

—

Battery voltage

AWJIA0368ZZ

Circuit Breaker

Climate Controlled Seat Control Unit

Continuity

Connector

Terminal

Connector

Terminal

M84 (A)

2

B217 (B)

29

Yes

AWJIA0369ZZ

Connector

Terminal

Ground

Voltage

(Approx.)

M58

3

—

Battery voltage

AWJIA0370ZZ

SE-10

< DTC/CIRCUIT DIAGNOSIS >

[WITH CLIMATE CONTROLLED SEATS]

POWER SUPPLY AND GROUND CIRCUIT

Check voltage between climate controlled seat relay connector M58

terminal 2 and ground.

Is the inspection result normal?

YES

>> GO TO 10.

NO

>> Repair the harness or connectors.

10.

CHECK IGNITION POWER SUPPLY CIRCUIT FOR OPEN

Check continuity between climate controlled seat relay connector

M58 (A) terminal 5 and climate controlled seat control unit connector

B216 (B) terminal 21.

Is the inspection result normal?

YES

>> GO TO 11.

NO

>> Repair the harness or connectors.

11.

CHECK CLIMATE CONTROLLED SEAT RELAY GROUND CIRCUIT

Check continuity between climate controlled seat relay connector

M58 terminal 1 and ground.

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to 

GI-41, "Intermittent

Incident"

.

NO

>> Repair the harness or connectors.

CLIMATE CONTROLLED SEAT CONTROL UNIT : Component Inspection (Climate 
Controlled Seat Relay)

INFOID:0000000010049464

1.

CHECK CLIMATE CONTROLLED SEAT RELAY

Connector

Terminal

Ground

IgnitIon switch

Voltage

(Approx.)

M58

2

—

OFF

0V

ON

Battery voltage

START

Battery voltage

AWJIA0371ZZ

Climate Controlled Seat Relay Climate Controlled Seat Control Unit

Continuity

Connector

Terminal

Connector

Terminal

M58 (A)

5

B216 (B)

21

Yes

AWJIA0372ZZ

Connector

Terminal

Ground

Continuity

M58

1

—

Yes

AWJIA0373ZZ

POWER SUPPLY AND GROUND CIRCUIT

SE-11

< DTC/CIRCUIT DIAGNOSIS >

[WITH CLIMATE CONTROLLED SEATS]

C

D

E

F

G

H

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L

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A

B

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1. Apply battery voltage between terminals 2 and 1 of the climate

controlled seat relay.

CAUTION:

Connect a fuse between the terminals when applying bat-

tery voltage.

2. Check continuity between climate controlled seat relay terminals

5 and 3.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Replace climate controlled seat relay.

Climate Controlled Seat 

Relay Terminals

Condition

Continuity

5 and 3

Battery voltage applied between terminals 
2 and 1.

Yes

WJIA0973E

SE-12

< DTC/CIRCUIT DIAGNOSIS >

[WITH CLIMATE CONTROLLED SEATS]

CLIMATE CONTROLLED SEAT BLOWER MOTOR

CLIMATE CONTROLLED SEAT BLOWER MOTOR

Description

INFOID:0000000010049465

Sends airflow to the seat cushion and seatback.

Component Function Check

INFOID:0000000010049466

1.

CHECK CLIMATE CONTROLLED SEAT BLOWER MOTOR FUNCTION

Turn the climate controlled seat switch to the H (Heat) LO, MED, and HI positions and the C (Cool) LO, MED,

and HI positions. Check that the climate controlled seat blower motor operates at low, medium and high

speed.
Is the inspection result normal?

YES

>> Climate controlled seat blower motor function is OK.

NO

>> Refer to 

SE-12, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000010049467

Regarding Wiring Diagram information, refer to 

SE-44, "Wiring Diagram"

.

1.

CHECK CLIMATE CONTROLLED SEAT BLOWER MOTOR

Perform climate controlled seat blower motor component inspection. Refer to 

SE-14, "Component Inspection

(Climate Controlled Seat Blower Motor)"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Replace climate controlled seat blower motor. Refer to 

SE-65, "Exploded View"

.

2.

CHECK CLIMATE CONTROLLED SEAT BLOWER MOTOR POWER SUPPLY

1. Turn ignition switch ON.

2. Check voltage between climate controlled seat blower motor

connector B220 terminal 2 and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> GO TO 3.

3.

CHECK CLIMATE CONTROLLED SEAT BLOWER MOTOR POWER SUPPLY CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect climate controlled seat blower motor connector and

climate controlled seat control unit connector B212.

3. Check continuity between climate controlled seat blower motor

connector B220 (A) terminal 2 and climate controlled seat con-

trol unit connector B212 (B) terminal 7. 

4. Check continuity between climate controlled seat blower motor connector B220 (A) terminal 2 and ground.

Climate controlled seat blower motor

Ground

Voltage

(Approx.)

Connector

Terminal

B220

2

—

Battery voltage

AWJIA0381ZZ

Climate controlled seat blower 

motor

Climate controlled seat control 

unit

Continuity 

Connector

Terminal

Connector

Terminal

B220 (A)

2

B212 (B)

7

Yes

AWJIA0389ZZ