Nissan Quest E52. Manual - part 1047

 

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Nissan Quest E52. Manual - part 1047

 

 

SYSTEM

SE-17

< SYSTEM DESCRIPTION >

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SEATBACK POWER FOLDING/RETURN SYSTEM : Circuit Diagram

INFOID:0000000009652937

SEATBACK POWER FOLDING/RETURN SYSTEM : Fail-safe

INFOID:0000000009652938

Even if the automatic return control is inactivated, the fold-down and manual return operations can be per-
formed.

JMJIA6185GB

SE-18

< SYSTEM DESCRIPTION >

SYSTEM

Malfunction items

Fail-safe in operation

Seatback angle limit switch stays in the 
“ON” position

Seatback power return control unit judges that power return motor and gear are locked 
during operation because the return complete position of third seatback cannot be rec-
ognized. Seatback power return control unit operates power return motor in the reverse 
rotation.

Seatback angle limit switch stays in the 
“OFF”position

Seatback power return control unit recognizes that third seatback is in the return com-
plete position. Third seatback does not operate when third seat fold switch is operated 
in the following up direction.

Sector gear position limit switch stays 
in the “ON” position

Seatback power return control unit recognized that sector gear is locked during opera-
tion and stops power motor operation. Operation of seatback power return system is in-
hibited when the above status is recognized continuously 4 times.

Sector gear position limit switch stays 
in the “OFF” position

When sector gear position limit switch does not turn ON after seatback power return op-
eration is started, seatback power return control unit judges that sector gear is locked 
and operates power return motor in the reverse operation.

Motor sensor malfunction (High, Low, 
or Fixed)

When pulse does not indicate any change after motor starts to operate, seatback power 
return control unit judges that motor sensor is malfunctioning and returns sector gear to 
the initial position.

SEATBACK POWER RETURN CONTROL UNIT

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< ECU DIAGNOSIS INFORMATION >

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ECU DIAGNOSIS INFORMATION

SEATBACK POWER RETURN CONTROL UNIT

Reference Value

INFOID:0000000009652939

TERMINAL LAYOUT

PHYSICAL VALUES

JMJIA6183ZZ

Terminal No.

(Wire color)

Description

Condition

Value

(+)

(–)

Signal name

Input/

Output

1

(B/W)

Ground

Ground
[Motor sensor (RH)]

2

(R)

Ground

Motor sensor (RH) input 
signal

Input

When the power return motor (RH) is 
operated

When the pinch occurs

The above pulse width should be 
expanded

3

(R/B)

Ground

Power supply
[Motor sensor (RH)]

Output

When the power return motor is op-
erated

9 – 16 V

5

(L/W)

Ground

Power return motor (LH) 
backward signal

Output

When the power return motor (LH) 
performs reverse operation

9 – 16 V

Other than the above

0 – 0.5 V

6

(Y)

Ground

Power return motor (LH) 
forward signal

Output

When the power return motor (LH) 
performs return operation

9 – 16 V

Other than the above

0 – 0.5 V

7

(G)

Ground

Power return motor (RH) 
backward signal

Output

When the power return motor (RH) 
performs reverse operation

9 – 16 V

Other than the above

0 – 0.5 V

8

(B/Y)

Ground

Power return motor (RH) 
forward signal

Output

When the power return motor (RH) 
performs return operation

9 – 16 V

Other than the above

0 – 0.5 V

9

(R/W)

Ground

Ground
[Motor sensor (LH)]

JMKIA0070GB

SE-20

< ECU DIAGNOSIS INFORMATION >

SEATBACK POWER RETURN CONTROL UNIT

10

(L/W)

Ground

Motor sensor (LH) input 
signal

Input

When the power return motor (LH) is 
operated

When the pinch occurs

The above pulse width should be 
expanded

11

(Y/R)

Ground

Power supply
[Motor sensor (LH)]

Output

When the power return motor is op-
erated

9 – 16 V

13

(G/W)

Ground

Ground

16

(B/W)

Ground

Battery power supply

Input

9 – 16 V

17

(LG)

Ground

System power supply

Input

9 – 16 V

20

(Y)

Ground

Third sear fold switch 
(RH)

Input

Third sear fold switch (RH) in return 
position

0 – 0.5 V

Other than the above

4.7 – 5.3 V

21

(B/W)

Ground

Sector gear position limit 
switch (LH) input signal

Input

When the sector gear (LH) is in the 
initial position (other than low power 
consumption mode)

9 – 16 V

Other than the above

0 – 0.5 V

22

(SB)

Ground

Sector gear position limit 
switch (RH) input signal

Input

When the sector gear (RH) is in the 
initial position (other than low power 
consumption mode)

9 – 16 V

Other than the above

0 – 0.5 V

23

(B/O)

Ground

Ground
[Limit switch (RH)]

24

(L/O)

Ground

Vehicle speed signal

Input

When vehicle speed is approx.40 
km/h (25MPH)

28

(G/O)

Ground

Third sear fold switch 
(LH)

Input

Third sear fold switch (LH) in return 
position

0 – 0.5 V

Other than the above

4.7 – 5.3 V

29

(O)

Ground

Seatback angle limit 
switch (LH) input signal

Input

When the third seatback (LH) is in 
the return completion position (other 
than low power consumption mode)

9 – 16 V

Other than the above

0 – 0.5 V

30

(BR/W)

Ground

Seatback angle limit 
switch (RH) input signal

Input

When the third seatback (RH) is in 
the return completion position (other 
than low power consumption mode)

9 – 16 V

Other than the above

0 – 0.5 V

Terminal No.

(Wire color)

Description

Condition

Value

(+)

(–)

Signal name

Input/

Output

JMKIA0070GB

JSNIA0012GB

 

 

 

 

 

 

 

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