Infiniti F50. Manual - part 796

 

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Infiniti F50. Manual - part 796

 

 

CLIMATE CONTROLLED SEAT

SE-175

C

D

E

F

G

H

J

K

L

M

A

B

SE

4. 

CHECK CLIMATE CONTROLLED SEAT CONTROL UNIT POWER SUPPLY CIRCUIT 2

1.

Turn ignition switch OFF.

2.

Disconnect climate controlled seat control unit connector.

3.

Turn ignition switch ON.

4.

Check voltage between climate controlled seat control unit con-
nector  and ground.

OK or NG

OK

>> GO TO 5.

NG

>> Repair or replace harness between climate controlled seat relay and climate controlled seat con-

trol unit.

5. 

CHECK CLIMATE CONTROLLED SEAT CONTROL UNIT POWER SUPPLY CIRCUIT

Check voltage between climate controlled seat control unit connec-
tor  and ground.

OK or NG

OK

>> GO TO 6.

NG

>> Repair or replace harness between fuse block (J/B) and

climate controlled seat control unit.

6. 

CHECK CLIMATE CONTROLLED SEAT CONTROL UNIT GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Check continuity between climate controlled seat control unit
connector B158 (Driver side), B358 (passenger side) terminal
JC (B) and ground.

OK or NG

OK

>> Passenger side climate controlled seat unit power sup-

ply circuit and ground check is OK.

NG

>> Repair or replace harness between climate controlled

seat control unit and ground.

Con-

nector

Terminal

(Wire color)

Condition

Voltage (V)

(Approx)

(+)

(–)

B358

JB (W/G)

Ground

Turn ignition switch ON.

 Battery voltage

Turn ignition switch OFF.

0

PIIA3384E

Con-

nector

Terminal

(Wire color)

Condition

Voltage (V)

(Approx)

(+)

(–)

B358

JD (W/R)

Ground

Turn ignition switch ON.

 Battery voltage

Turn ignition switch OFF.

0

PIIA3385E

JC (B) 

−

 ground

:Continuity should exist

PIIA3335E

SE-176

CLIMATE CONTROLLED SEAT

Climate Controlled Seat “HEAT” Switch Circuit Inspection

EIS003SG

1. 

 CHECK CLIMATE CONTROLLED SEAT HEAT SWITCH HARNESS CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect climate controlled seat control unit and climate con-
trolled seat switch connector.

3.

Check continuity between climate controlled seat control unit
connector B159 (driver side), B359 (passenger side) terminal J6
(PU) and climate controlled seat switch connector B156 (driver
side), B356 (passenger side) terminal J6 (PU).

4.

Check continuity between climate controlled seat control unit
connector B159 (driver side), B359 (passenger side) terminal J6
(PU) and ground.

OK or NG

OK

>> GO TO 2.

NG

>> Repair or replace harness between climate controlled seat control unit and climate controlled seat

switch.

2. 

 CHECK CLIMATE CONTROLLED SEAT HEAT SWITCH POWER SUPPLY CIRCUIT

1.

Connect climate controlled seat control unit connector and climate controlled seat switch.

2.

Turn ignition switch ON.

3.

Turn climate controlled seat switch “HEAT”.

4.

Check voltage between climate controlled seat control unit con-
nector and body ground.

OK or NG

OK

>> Replace climate controlled seat control unit. 

NG

>> GO TO 3.

3. 

 CHECK CLIMATE CONTROLLED SEAT HEAT SWITCH

1.

Turn ignition switch OFF.

2.

Disconnect climate controlled seat switch connector.

3.

Check continuity between climate controlled seat switch as fol-
lows.

OK or NG

OK

>> Check the condition of the harness and the connector.

NG

>> Replace climate controlled seat switch. 

J6 (PU) 

−

 J6 (PU)

:Continuity should exist.

J6 (PU) 

−

 Ground

:Continuity should not exist.

PIIA3331E

Connector

Terminal

(Wire color)

Condition

Voltage (V)

(Approx.)

(+)

(–)

B156

 (Driver side), 

B356 

(Passenger side)

J6 (PU)

Ground

Turn climate controlled 
seat switch “HEAT”.

0

Climate controlled seat 
switch OFF.

 Battery voltage

PIIA3330E

Terminal

Condition

Continuity

J6

JCA

Climate controlled seat switch 
HEAT position.

YES

Climate controlled seat switch 
OFF.

NO

PIIA4127E

CLIMATE CONTROLLED SEAT

SE-177

C

D

E

F

G

H

J

K

L

M

A

B

SE

Climate Controlled Seat “COOL” Switch Circuit Inspection

EIS003SH

1. 

 CHECK CLIMATE CONTROLLED SEAT COOL SWITCH HARNESS CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect climate controlled seat control unit and climate con-
trolled seat switch connector.

3.

Check continuity between climate controlled seat control unit
connector B159 (driver side), B359 (passenger side) terminal
J16 (R) and climate controlled seat switch connector B156
(driver side), B356 (passenger side) terminal J16 (R).

4.

Check continuity between climate controlled seat control unit
connector B159 (driver side), B359 (passenger side) terminal
J16 (R) and ground.

OK or NG

OK

>> GO TO 2.

NG

>> Repair or replace harness between climate controlled seat control unit and climate controlled seat

switch.

2. 

 CHECK CLIMATE CONTROLLED SEAT COOL SWITCH POWER SUPPLY CIRCUIT

1.

Connect climate controlled seat control unit connector and climate controlled seat switch.

2.

Turn ignition switch ON.

3.

Turn climate controlled seat switch COOL.

4.

Check voltage between climate controlled seat control unit con-
nector and body ground.

OK or NG

OK

>> Replace climate controlled seat control unit. 

NG

>> GO TO 3.

3. 

 CHECK CLIMATE CONTROLLED SEAT COOL SWITCH 

1.

Turn ignition switch OFF.

2.

Disconnect climate controlled seat switch connector.

3.

Check continuity between climate controlled seat switch as fol-
lows.

OK or NG

OK

>> Check the condition of the harness and the connector.

NG

>> Replace climate controlled seat switch. 

J16 (R) 

−

 J16 (R)

:Continuity should exist.

J16 (R) 

−

 Ground

:Continuity should not exist.

PIIA3329E

Connector

Terminal

(Wire color)

Condition

Voltage (V)

(Approx.)

(+)

(–)

B156

 (Driver side), 

B356 

(Passenger side)

J16 (R)

Ground

Turn climate controlled 
seat switch COOL.

0

Climate controlled seat 
switch OFF.

 Battery voltage

PIIA3328E

Terminal

Condition

Continuity

J16

JCA

Climate controlled seat switch 
COOL position.

YES

Climate controlled seat switch 
OFF.

NO

PIIA4128E

SE-178

CLIMATE CONTROLLED SEAT

Climate Controlled Seat Temperature Dial Inspection

EIS003SI

1. 

CHECK CLIMATE CONTROLLED SEAT TEMPERATURE DIAL

1.

Turn ignition switch OFF.

2.

Disconnect climate controlled seat temperature dial connector.

3.

Check continuity between climate controlled seat temperature
dial as follows.

OK or NG

OK

>> Climate controlled seat temperature dial check is OK.

NG

>> Replace climate controlled seat temperature dial. 

Climate Controlled Seat Temperature Dial Circuit Inspection

EIS003SJ

1. 

CHECK CLIMATE CONTROLLED SEAT TEMPERATURE DIAL HARNESS

1.

Turn ignition switch OFF.

2.

Disconnect climate controlled seat control unit connector and climate controlled seat temperature dial
connector.

3.

Check continuity between climate controlled seat control unit
connector B159 (driver side), B359 (passenger side) terminal J7
(L), J15 (Y) and climate controlled seat temperature dial connec-
tor B157 (driver side), B357 (passenger side) terminal J7 (L),
J15 (Y).

4.

Check continuity between climate controlled seat control unit
connector B159 (driver side), B359 (passenger side) terminal J7
(L), J15 (Y) and ground.

OK or NG

OK

>> GO TO 2.

NG

>> Repair or replace harness between climate controlled seat control unit and climate controlled seat

temperature dial.

Terminal

Condition

Continuity(

Ω

)

(Approx)

J7

J15

Temperature dial 1st.

2370

Temperature dial 2nd.

 1100

Temperature dial 3rd.

 619

Temperature dial 4th.

 237

PIIB0390E

J7 (L) 

−

 J7 (L)

: Continuity should exist

J15 (Y) 

−

 J15 (Y)

: Continuity should exist

J7 (L) 

−

 Ground

: Continuity should not exist

J15 (Y) 

−

 Ground

: Continuity should not exist

PIIA3333E

 

 

 

 

 

 

 

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