Nissan Quest E52. Instruction — part 1054
SEATBACK POWER FOLDING SYSTEM
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< WIRING DIAGRAM >
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JRJWC2268GB
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< WIRING DIAGRAM >
SEATBACK POWER FOLDING SYSTEM
JRJWC2269GB
DIAGNOSIS AND REPAIR WORK FLOW
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< BASIC INSPECTION >
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BASIC INSPECTION
DIAGNOSIS AND REPAIR WORK FLOW
Work Flow
INFOID:0000000009652947
DETAILED FLOW
1.
OBTAIN INFORMATION ABOUT SYMPTOM
Interview the customer to obtain the malfunction information (conditions and environment when the malfunc-
tion occurred) as much as possible when the customer brings the vehicle in.
>> GO TO 2.
2.
REPRODUCE THE MALFUNCTION INFORMATION
Check the malfunction on the vehicle that the customer describes.
Inspect the relation of the symptoms and the condition when the symptoms occur.
>> GO TO 3.
3.
IDENTIFY THE MALFUNCTIONING SYSTEM WITH “SYMPTOM DIAGNOSIS”
Use “Symptom diagnosis” from the symptom inspection result in step 2 and then identify where to start per-
forming the diagnosis based on possible causes and symptoms.
>> GO TO 4.
4.
IDENTIFY THE MALFUNCTIONING PARTS WITH “DTC/CIRCUIT DIAGNOSIS”
Perform the diagnosis with “DTC/CIRCUIT DIAGNOSIS” of the applicable system.
>> GO TO 5.
5.
REPAIR OR REPLACE THE MALFUNCTIONING PARTS
Repair or replace the specified malfunctioning parts.
>> GO TO 6.
6.
FINAL CHECK
Check that malfunctions are not reproduced when obtaining the malfunction information from the customer,
referring to the symptom inspection result in step 2.
Are the malfunctions corrected?
YES
>> INSPECTION END
NO
>> GO TO 3.
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< DTC/CIRCUIT DIAGNOSIS >
POWER SUPPLY AND GROUND CIRCUIT
DTC/CIRCUIT DIAGNOSIS
POWER SUPPLY AND GROUND CIRCUIT
Diagnosis Procedure
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1.
CHECK FUSE
Check that the following fuses are not fusing.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Replace the blown fuse after repairing the affected circuit.
2.
CHECK POWER SUPPLY
1.
Turn ignition switch OFF.
2.
Disconnect seatback power return control unit connector and seatback lock release actuator relay (LH
and RH) connector.
3.
Check voltage between seatback power return control unit harness connector and ground.
Is the measurement value normal?
YES
>> GO TO 3.
NO
>> Repair harness or connector.
3.
CHECK GROUND CIRCUIT
Check continuity between seatback power return control unit harness connector and ground.
Does continuity exist?
YES
>> INSPECTION END
NO
>> Repair harness or connector.
Signal name
Fuse No.
Battery power supply
9 (10 A)
33 (30 A)
(+)
(
−
)
Voltage (V)
Seatback power return control unit
Connector
Terminal
B487
16
Ground
9 – 16
B488
17
Seatback power return control unit
Ground
Continuity
Connector
Terminal
B487
13
Existed
B488
32
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