Nissan Quest E52. Instruction — part 1048

SEATBACK POWER RETURN CONTROL UNIT

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< ECU DIAGNOSIS INFORMATION >

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Fail-safe

INFOID:0000000009652940

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

31

(W/R)

Ground

Ground
[Limit switch (LH)]

—

—

—

32

(L/W)

Ground

Ground

—

—

—

Terminal No.

(Wire color)

Description

Condition

Value

(+)

(–)

Signal name

Input/

Output

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.

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< WIRING DIAGRAM >

POWER SEAT CONTROL SYSTEM

WIRING DIAGRAM

POWER SEAT CONTROL SYSTEM

DRIVER SIDE

DRIVER SIDE : Wiring Diagram

INFOID:0000000009652941

JCJWA1500GB

POWER SEAT CONTROL SYSTEM

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< WIRING DIAGRAM >

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O

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JRJWC2254GB

SE-24

< WIRING DIAGRAM >

POWER SEAT CONTROL SYSTEM

JRJWC2255GB