Infiniti QX56 (JA60). Manual — part 827
ONLY ONE THIRD ROW POWER FOLDING SEAT WILL OPERATE.
SE-33
< SYMPTOM DIAGNOSIS >
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A
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N
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ONLY ONE THIRD ROW POWER FOLDING SEAT WILL OPERATE.
Only One Third Row Power Folding Seat Will Operate
INFOID:0000000005147396
Regarding Wiring Diagram information, refer to
1.
PRELIMINARY CHECK
Perform preliminary check. Refer to
Are inspection results normal?
YES
>> GO TO 2.
NO
>> Perform repairs as necessary.
2.
THIRD ROW POWER FOLDING SEAT
Determine which seat is malfunctioning.
Is the affected seat the LH (60%) side?
YES
>> GO TO 3.
NO
>> GO TO 4.
3.
THIRD ROW POWER FOLDING SEAT SWITCH (DRIVER)
1. Turn ignition switch OFF.
2. Disconnect either the front or rear third row power folding seat switch driver side connector.
3. Check continuity between the third row power folding seat
switch driver side harness connector B164 or B165 terminal 4
and ground.
4. Check continuity between any third row power folding seat
switch driver side harness connector B164 or B165 terminal 2, 3
and third row power folding seat control unit harness connector
B401 terminals 4, 12.
Are inspection results normal?
YES
>> GO TO 5.
NO
>> Repair circuits as necessary.
4.
THIRD ROW POWER FOLDING SEAT SWITCH (PASSENGER)
1. Turn ignition switch OFF.
2. Disconnect either the front or rear third row power folding seat switch passenger side connector.
Terminals
Continuity
(+)
(-)
Third row power
folding seat
switch driver
side
Terminal No.
B164 or B165
4
Ground
Yes
ALJIA0116ZZ
Terminals
Continuity
A
B
Connector
Terminal
Connector
Terminal
B401
4
B164 or B165
3
Yes
12
2
AWJIA0245ZZ
SE-34
< SYMPTOM DIAGNOSIS >
ONLY ONE THIRD ROW POWER FOLDING SEAT WILL OPERATE.
3. Check continuity between any third row power folding seat
switch passenger side harness connector B162 or B163 termi-
nals 2, 3 and third row power folding seat control unit harness
connector B401 terminals 3, 11.
Is there continuity?
YES
>> GO TO 5.
NO
>> Repair circuits as necessary.
5.
THIRD ROW POWER FOLDING SEAT MOTOR
Check operation of affected third row power folding seat motor. Refer to
SE-20, "Third Row Power Folding
Are inspection results normal?
YES
>> GO TO 6.
NO
>> Replace third row power folding seat motor. Refer to
.
6.
CHECK CIRCUITS BETWEEN MOTOR AND CONTROL UNIT
Check continuity between third row power folding seat motor har-
ness connector B403 or B426 terminals 3, 4 and third row power
folding seat control unit terminals 17, 19 (LH) or 20, 22 (RH).
Are inspection results normal?
YES
>> Replace third row power folding seat control unit. Refer to
SE-60, "Power seat cross beam"
.
NO
>> Repair circuits as necessary.
Terminals
Continuity
A
B
Connector
Terminal
Connector
Terminal
B401
3
B162 or B163
3
Yes
11
2
AWJIA0246ZZ
Terminals
Continuity
A
B
Connector
Terminal
Connector
Terminal
B402
17 (LH), 22 (RH)
B403 (LH) or B426 (RH)
4
Yes
19 (LH), 20 (RH)
3
AWJIA0361ZZ
THIRD ROW POWER FOLDING SEAT WILL OPERATE IN ONLY ONE DIREC-
TION.
SE-35
< SYMPTOM DIAGNOSIS >
C
D
E
F
G
H
I
K
L
M
A
B
SE
N
O
P
THIRD ROW POWER FOLDING SEAT WILL OPERATE IN ONLY ONE DI-
RECTION.
Third Row Power Folding Seat Will Operate in Only One Direction
INFOID:0000000005147397
Regarding Wiring Diagram information, refer to
1.
PRELIMINARY CHECK
Perform preliminary check. Refer to
Are inspection results normal?
YES
>> GO TO 2.
NO
>> Perform repairs as necessary.
2.
THIRD ROW POWER FOLDING SEAT
Determine which seat is malfunctioning.
Is the affected seat the LH (60%) side?
YES
>> GO TO 3.
NO
>> GO TO 4.
3.
THIRD ROW POWER FOLDING SEAT SWITCH (DRIVER)
1. Turn ignition switch OFF.
2. Disconnect any third row power folding seat switch driver side connector.
3. Check continuity between third row power folding seat switch
driver side harness connector B164 or B165 terminal 2, 3 and
third row power folding seat control unit harness connector B401
terminals 4, 12.
Is there continuity?
YES
>> Replace third row power folding seat control unit. Refer to
SE-60, "Power seat cross beam"
.
NO
>> Repair circuits as necessary.
4.
THIRD ROW POWER FOLDING SEAT SWITCH (PASSENGER)
1. Turn ignition switch OFF.
2. Disconnect either the front or rear third row power folding seat switch passenger side connector.
3. Check continuity between third row power folding seat switch
passenger side harness connector B162 or B163 terminals 2, 3
and third row power folding seat control unit harness connector
B401 terminals 3, 11.
Is there continuity?
YES
>> Replace third row power folding seat control unit. Refer to
SE-60, "Power seat cross beam"
Terminals
Continuity
A
B
Connector
Terminal
Connector
Terminal
B401
4
B164 or B165
3
Yes
12
2
AWJIA0247ZZ
Terminals
Continuity
A
B
Connector
Terminal
Connector
Terminal
B401
3
B162 or B163
3
Yes
11
2
AWJIA0248ZZ
SE-36
< SYMPTOM DIAGNOSIS >
THIRD ROW POWER FOLDING SEAT WILL OPERATE IN ONLY ONE DIREC-
TION.
NO
>> Repair circuits as necessary.
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