Infiniti EX35. Manual — part 1253
POWER RETURN SWITCH
SE-19
< COMPONENT DIAGNOSIS >
C
D
E
F
G
H
I
K
L
M
A
B
SE
N
O
P
1.
Connect rear seatback power return control unit connector.
2.
Check voltage between rear seatback power return control unit harness connector and ground.
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:0000000003642167
1.
CHECK POWER RETURN SWITCH (RH)
1.
Turn ignition OFF.
2.
Disconnect power return switch (RH) connector.
3.
Check power return switch (RH) connector.
Is the inspection result normal?
YES
>> Power return switch (RH) is OK.
NO
>> Replace power return switch (RH). Refer to
SE-109, "Removal and Installation"
(+)
(–)
Voltage (V)
(Approx.)
Rear seatback power return control unit
Connector
Terminal
B226
20
Ground
5
Power return switch (RH) connector
Terminal
Condition
Continuity
M175
1
2
Power return switch (RH) is pressed
Existed
Power return switch (RH) is released
Not existed
SE-20
< COMPONENT DIAGNOSIS >
REAR SEATBACK SWITCH
REAR SEATBACK SWITCH
LH
LH : Description
INFOID:0000000003642168
Switch that performs the return operation or release operation.
LH : Component Function Check
INFOID:0000000003642169
1.
CHECK FUNCTION
Check that the rear seatback (LH) rises when pressing and holding the rear seatback switch (LH) in UP direc-
tion.
Is the inspection result normal?
YES
>> Rear seatback switch (LH) is OK.
NO
>> Refer to
SE-20, "LH : Diagnosis Procedure"
LH : Diagnosis Procedure
INFOID:0000000003642170
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.
Is the inspection result normal?
YES
>> Rear seatback switch (LH) is OK.
NO
>> GO TO 2.
2.
CHECK REAR SEAT BACK SWITCH (LH) CIRCUIT
1.
Disconnect rear seatback power return control unit connector and rear seatback switch (LH) connector.
2.
Check continuity between rear seatback power return control unit harness connector and rear seatback
switch (LH) 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.
NO
>> Repair or replace harness.
3.
CHECK REAR SEATBACK SWITCH (LH) GROUND CIRCUIT
Check continuity rear seatback switch (LH) harness connector and ground.
(+)
(–)
Condition
Voltage (V)
(Approx.)
Rear seatback power return control unit
Connector
Terminal
B226
28
Ground
Rear seatback switch (LH) is pressed in UP
direction
0
Rear seatback switch (LH) is released in UP
direction
5
Rear seatback power return control unit
Rear seatback switch (LH)
Continuity
Connector
Terminal
Connector
Terminal
B226
28
B52
2
Existed
Rear seatback power return control unit
Ground
Continuity
Connector
Terminal
B226
28
Not existed
REAR SEATBACK SWITCH
SE-21
< COMPONENT DIAGNOSIS >
C
D
E
F
G
H
I
K
L
M
A
B
SE
N
O
P
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace harness.
4.
CHECK REAR SEATBACK SWITCH (LH)
Check rear seatback switch (LH).
Refer to
SE-21, "LH : Component Inspection"
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Replace rear seatback switch (LH). Refer to
SE-111, "Removal and Installation"
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.
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
LH : Component Inspection
INFOID:0000000003642171
1.
CHECK REAR SEATBACK SWITCH (LH)
1.
Turn ignition switch OFF.
2.
Disconnect rear seatback switch (LH) connector.
3.
Check rear seatback switch (LH) connector.
Is the inspection result normal?
YES
>> Rear seatback switch (LH) is OK.
NO
>> Replace seatback return switch (LH). Refer to
SE-111, "Removal and Installation"
RH
RH : Description
INFOID:0000000003642172
Switch that performs the return operation or release operation.
Rear seatback switch (LH)
Ground
Continuity
Connector
Terminal
B52
3
Existed
(+)
(–)
Voltage (V)
(Approx.)
Rear seatback power return control unit
Connector
Terminal
B226
28
Ground
5
Rear seatback switch (LH) connector
Terminal
Condition
Continuity
B52
2
3
Rear seatback switch (LH) is pressed in UP
direction
Existed
Rear seatback switch (LH) is released in
UP direction
Not existed
SE-22
< COMPONENT DIAGNOSIS >
REAR SEATBACK SWITCH
RH : Component Function Check
INFOID:0000000003642173
1.
CHECK FUNCTION
Check that the rear seatback (RH) rises when pressing and holding the rear seatback switch (RH) in UP direc-
tion.
Is the inspection result normal?
YES
>> Rear seatback switch (RH) is OK.
NO
>> Refer to
SE-22, "RH : Diagnosis Procedure"
.
RH : Diagnosis Procedure
INFOID:0000000003642174
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.
Is the inspection result normal?
YES
>> Rear seatback switch (RH) is OK.
NO
>> GO TO 2.
2.
CHECK REAR SEATBACK SWITCH (RH) CIRCUIT
1.
Disconnect rear seatback power return control unit connector and rear seatback switch (RH) connector.
2.
Check continuity between rear seatback power return control unit harness connector and rear seatback
switch (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.
NO
>> Repair or replace harness.
3.
CHECK REAR SEATBACK SWITCH (RH) GROUND CIRCUIT
Check continuity rear seatback switch (RH) harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace harness.
(+)
(–)
Condition
Voltage (V)
(Approx.)
Rear seatback power return control unit
Connector
Terminal
B226
20
Ground
Rear seatback switch (RH) is pressed in UP
direction
0
Rear seatback switch (RH) is released in UP
direction
5
Rear seatback power return control unit
Rear seatback switch (RH)
Continuity
Connector
Terminal
Connector
Terminal
B226
20
B239
2
Existed
Rear seatback power return control unit
Ground
Continuity
Connector
Terminal
B226
20
Not existed
Rear seatback switch (RH)
Ground
Continuity
Connector
Terminal
B239
3
Existed
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