Nissan Murano. Manual - part 1212

REAR SEATBACK POWER RETURN CONTROL UNIT

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< ECU DIAGNOSIS INFORMATION >

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JRJWC3010GB

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< ECU DIAGNOSIS INFORMATION >

REAR SEATBACK POWER RETURN CONTROL UNIT

Fail Safe

INFOID:0000000009718748

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

JRJWC3011GB

REAR SEATBACK POWER RETURN CONTROL UNIT

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< ECU DIAGNOSIS INFORMATION >

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Possible location of malfunction

Diagnosis mode

Corrective action

Return complete limit switch “ON” mal-
function

The return completion position cannot be de-
tected

Detect the lock with the rear seatback 
power return control unit, and then re-
verse the power return motor

Return complete limit switch “OFF” mal-
function

The automatic return cannot be performed 
because the return completion position is 
misrecognized

The manual return operation can be per-
formed

Primary position limit switch “ON” mal-
function

The initial position of the sector gear cannot 
be detected

Detect the lock with the rear seatback 
power return control unit, and then stop 
the power return motor
* If the above condition is repeated for 4 
times, stop the subsequent automatic re-
turn operation. However, the manual re-
turn operation can be performed

Primary position limit switch “OFF” mal-
function

The initial position of the sector gear is mis-
recognized
(The sector gear reverse operation cannot be 
performed)

• Return the sector gear to the initial po-

sition if the primary position limit switch 
is not turned to ON after starting the re-
turn (Lock detection)

• The manual return operation can be 

performed

Sensor malfunction (fixed to High or 
Low)

The motor lock is misrecognized because the 
pulse does not change

• If the pulse does not change complete-

ly after starting the motor operation, re-
turn the sector gear to the initial 
position

• The manual return operation can be 

performed

SE-74

< SYMPTOM DIAGNOSIS >

REAR SEATBACK POWER RETURN SYSTEM DOES NOT OPERATE

SYMPTOM DIAGNOSIS

REAR SEATBACK POWER RETURN SYSTEM DOES NOT OPERATE

BOTH SIDES

BOTH SIDES : Diagnosis Procedure

INFOID:0000000009718749

1.

CHECK POWER SUPPLY AND GROUND CIRCUIT

Check power supply and ground circuit.
Refer to 

SE-13, "REAR SEATBACK POWER RETURN CONTROL UNIT : Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace the malfunctioning parts.

2.

CHECK VEHICLE SPEED SIGNAL CIRCUIT

Check vehicle speed signal circuit.
Refer to

SE-37, "Component Function Check"

 .

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace the malfunctioning parts.

3.

CONFIRM THE OPERATION

Confirm the operation again.

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to 

GI-44, "Intermittent Incident"

.

NO

>> GO TO 1.

LH

LH : Diagnosis Procedure

INFOID:0000000009718750

1.

PERFORM POWER RETURN SWITCH

Perform power return switch.
From which power return switch (front or rear) does the seat return operation occur?

FRONT>> GO TO 2.
REAR >> GO TO 3.
BOTH SIDES>>GO TO 4.

2.

CHECK FRONT POWER RETURN SWITCH (LH)

Check front power return switch (LH).
Refer to 

SE-14, "LH : Component Function Check"

.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace the malfunctioning parts.

3.

CHECK REAR POWER RETURN SWITCH (LH)

Check rear power return switch (LH).
Refer to 

SE-18, "LH : Component Function Check"

.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace the malfunctioning parts.

4.

CHECK POWER RETURN MOTOR (LH)

Check power return motor (LH).
Refer to 

SE-35, "LH : Component Function Check"

.

Is the inspection result normal?