Infiniti EX35. Manual — part 1256
RETURN COMPLETE LIMIT SWITCH
SE-31
< COMPONENT DIAGNOSIS >
C
D
E
F
G
H
I
K
L
M
A
B
SE
N
O
P
Is the inspection result normal?
YES
>> Return complete limit switch (LH) is OK.
NO
>> Replace return complete limit switch (LH) [rear seatback lock assembly (LH)]. Refer to
RH
RH : Description
INFOID:0000000003642188
Detect the return completion position of rear seatback (RH).
RH : Component Function Check
INFOID:0000000003642189
1.
CHECK FUNCTION
Check that the rear seatback (RH) rises when pressing and holding the power return switch (RH) or rear seat-
back switch (RH) in UP direction.
Is the inspection result normal?
YES
>> Return complete limit switch (RH) is OK.
NO
>> Refer to
SE-31, "RH : Diagnosis Procedure"
.
RH : Diagnosis Procedure
INFOID:0000000003642190
1.
CHECK REAR SEATBACK POWER RETURN CONTROL UNIT INPUT SIGNAL
1.
Turn ignition switch OFF.
2.
Check voltage between rear seatback power return control unit harness connector and ground.
NOTE:
It is not low power consumption mode.
Is the inspection result normal?
YES
>> Return complete limit switch (RH) is OK.
NO
>> GO TO 2.
2.
CHECK RETURN COMPLETE LIMIT SWITCH (RH) SIGNAL CIRCUIT
1.
Disconnect rear seatback power return control unit connector and rear seatback lock assembly (RH) con-
nector.
2.
Check continuity between rear seatback power return control unit harness connector and rear seatback
lock assembly (RH) harness connector.
3.
Check continuity between rear seatback power return control unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
(+)
(–)
Condition
Voltage (V)
(Approx.)
Rear seatback power return control unit
Connector
Terminal
B226
30
Ground
When the rear seatback (RH) is in the return
completion position
Battery voltage
When the rear seatback (RH) is in the fold-
down position
0
Rear seatback power return control unit
Rear seatback lock assembly (RH)
Continuity
Connector
Terminal
Connector
Terminal
B226
30
B506
13
Existed
Rear seatback power return control unit
Ground
Continuity
Connector
Terminal
B226
30
Not existed
SE-32
< COMPONENT DIAGNOSIS >
RETURN COMPLETE LIMIT SWITCH
NO
>> Repair or replace harness.
3.
CHECK RETURN COMPLETE LIMIT SWITCH (RH) GROUND CIRCUIT
1.
Check continuity between rear seatback power return control unit harness connector and rear seatback
lock assembly (RH) harness connector.
2.
Check continuity between rear seatback power return control unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace harness.
4.
CHECK RETURN COMPLETE LIMIT SWITCH (RH)
Check return complete limit switch (RH).
Refer to
SE-32, "RH : Component Inspection"
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Replace return complete limit switch (RH) [rear seatback lock assembly (RH)]. Refer to
.
5.
CHECK REAR SEATBACK POWER RETURN CONTROL UNIT OUTPUT SIGNAL
1.
Connect rear seatback power return control unit connector.
2.
Check voltage between rear seatback power return control unit harness connector and ground.
NOTE:
It is not low power consumption mode.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Replace rear seatback power return control unit. Refer to
SE-105, "Removal and Installation"
6.
CHECK INTERMITTENT INCIDENT
GI-38, "Intermittent Incident"
>> INSPECTION END
RH : Component Inspection
INFOID:0000000003642191
COMPONENT INSPECTION
1.
CHECK RETURN COMPLETE LIMIT SWITCH (RH)
1.
Turn ignition switch OFF.
2.
Disconnect rear seatback lock assembly (RH) connector.
3.
Check rear seatback lock assembly (RH).
Rear seatback power return control unit
Rear seatback lock assembly (RH)
Continuity
Connector
Terminal
Connector
Terminal
B226
23
B506
14
Existed
Rear seatback power return control unit
Ground
Continuity
Connector
Terminal
B226
23
Not existed
(+)
(–)
Voltage (V)
(Approx.)
Rear seatback power return control unit
Connector
Terminal
B226
30
Ground
Battery voltage
RETURN COMPLETE LIMIT SWITCH
SE-33
< COMPONENT DIAGNOSIS >
C
D
E
F
G
H
I
K
L
M
A
B
SE
N
O
P
Is the inspection result normal?
YES
>> Return complete limit switch (RH) is OK.
NO
>> Replace return complete limit switch (RH) [rear seatback lock assembly (RH)]. Refer to
Rear seatback lock assembly (RH) connector
Terminal
Condition
Continuity
B506
13
14
Return complete limit switch (RH) is pressed
Existed
Return complete limit switch (RH) is released
Not existed
SE-34
< COMPONENT DIAGNOSIS >
MOTOR SENSOR
MOTOR SENSOR
LH
LH : Description
INFOID:0000000003642192
Detect the operation condition of power return motor (LH).
LH : Component Function Check
INFOID:0000000003642193
1.
CHECK FUNCTION
Check that the rear seatback (LH) rises when pressing and holding the power return switch (LH) or rear seat-
back switch (LH) in UP direction.
Is the inspection result normal?
YES
>> Motor sensor (LH) is OK.
NO
>> Refer to
SE-34, "LH : Diagnosis Procedure"
LH : Diagnosis Procedure
INFOID:0000000003642194
1.
CHECK MOTOR SENSOR (LH) OUTPUT SIGNAL
1.
Turn ignition switch OFF.
2.
Check voltage between power return motor assembly (LH) harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> GO TO 3.
2.
CHECK MOTOR SENSOR (LH) SIGNAL CIRCUIT
1.
Disconnect power return motor assembly (LH) connector and rear seatback power return control unit con-
nector.
2.
Check continuity between power return motor assembly (LH) harness connector and rear seatback power
return control unit harness connector.
3.
Check continuity between power return motor assembly (LH) harness connector and ground.
Is the inspection result normal?
(+)
(–)
Condition
Voltage (V)
(Approx.)
Power return motor assembly (LH)
Connector
Terminal
B511
4
Ground
During the power return motor
(LH) operation
When pinching between LH/RH
seats occurs
The above pulse width should be
expanded
JMKIA0070GB
Rear seatback power return control unit
Power return motor assembly (LH)
Continuity
Connector
Terminal
Connector
Terminal
B227
10
B511
4
Existed
Rear seatback power return control unit
Ground
Continuity
Connector
Terminal
B227
10
Not existed
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