Nissan Murano: Body Interior / Seat :: Ecu Diagnosis Information. Climate Controlled Seat Control Unit Lh/rh

Nissan Murano (Z52) 2015-2024 Service Manual / Body Interior / Seat :: Ecu Diagnosis Information. Climate Controlled Seat Control Unit Lh/rh

Reference Value

TERMINAL LAYOUT

PHYSICAL VALUES

Terminal No.

(Wire color) 		Description Condition

Voltage

(Approx.)
+ - Signal name Input/Output

2

(BR) 		Ground Seat cushion heater sensor signal Input Ignition switch ON Climate controlled seat switch select HEAT or COOL 1.0 V – 5.0 V
OFF 0 V

3

(O) 		Ground Seat back heater sensor signal Input Ignition switch ON Climate controlled seat switch select HEAT or COOL 1.0 V – 5.0 V
OFF 0 V

4

(P) 		Ground Seat cushion blower speed control signal Input Ignition switch ON Climate controlled seat switch select HEAT 8.5 V – 9.0 V
HI COOL Battery voltage
MID COOL 9.0 V
LO COOL 8.0 V
OFF 0 V

5

(P) 		Ground Seat back blower speed control signal Input Ignition switch ON Climate controlled seat switch select HEAT 8.5 V – 9.0 V
HI COOL Battery voltage
MID COOL 9.0 V
LO COOL 8.0 V
OFF 0 V

6

(G) 		Ground HEAT switch signal Input Ignition switch ON Climate controlled seat switch select HI HEAT 2.6 V – 4.2 V
MID HEAT 1.6 V – 2.5 V
LO HEAT 0.8 V – 1.5 V
OFF 0 V

7

(B) 		Ground COOL switch signal Input Ignition switch ON Climate controlled seat switch select HI COOL 2.6 V – 4.2 V
MID COOL 1.6 V – 2.5 V
LO COOL 0.8 V – 1.5 V
OFF 0 V

8

(Y) 		Ground Climate controlled seat switch power supply Output Ignition switch ON Battery voltage

9

(W) 		Ground COOL switch indicator signal Output Ignition switch ON Climate controlled seat switch select COOL Battery voltage
OFF 0 V

10

(LG) 		Ground HEAT switch indicator signal Output Ignition switch ON Climate controlled seat switch select HEAT Battery voltage
OFF 0 V

11

(R) 		Ground Seat back blower power supply Output Ignition switch ON Climate controlled seat switch select HEAT or COOL Battery voltage
OFF 0 V

12

(R) 		Ground Seat cushion blower power supply Output Ignition switch ON Climate controlled seat switch select HEAT or COOL Battery voltage
OFF 0 V

17

(BG) 		Ground Seat cushion heater sensor ground — Ignition switch ON 0 V

18

(V) 		Ground Seat back heater sensor ground — Ignition switch ON 0 V

20

(GR) 		Ground Seat cushion blower ground — — 0 V

21

(GR) 		Ground Seat back blower ground — — 0 V

25

(G) 		Ground Seat cushion heater ground — — 0 V

26

(R) 		Ground Ignition power supply Input Ignition switch ON Battery voltage

27

(LG) 		Ground Seat back heater ground — — 0 V

28

(GR) 		Ground Ground — — 0 V

29

(SB) 		Ground Seat back heater power supply Output Ignition switch ON Climate controlled seat switch select HEAT Battery voltage
COOL 0 V
OFF 0 V

30

(L) 		Ground Seat cushion heater power supply Output Ignition switch ON Climate controlled seat switch select HEAT Battery voltage
COOL 0 V
OFF 0 V
Fail-safe

  • The climate controlled seat control unit is equipped with a fail-safe function.

  • When a malfunction occurs in the system, climate controlled seat control unit stops output.

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