Infiniti QX56 (JA60). Manual — part 826
THIRD ROW POWER FOLDING SEAT CONTROL UNIT
SE-29
< ECU DIAGNOSIS >
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DTC Index
INFOID:0000000005147392
NOTE:
To initiate a chime code sequence cycle, turn the ignition switch ON and OFF 3 times within 5 seconds. The
first digit will chime, then a pause, followed by the second digit. For example, a code 13 will have 1 chime, fol-
lowed by a pause, and then 3 chimes. The third row power folding seat control unit will clear all codes that
have been corrected after 255 ignition cycles.
ABJIA0309GB
SE-30
< ECU DIAGNOSIS >
THIRD ROW POWER FOLDING SEAT CONTROL UNIT
Fail Safe
INFOID:0000000005147393
The third row power folding seat will not operate under the following conditions:
• Power supply to the third row power folding seat control unit falls below 9.0V
• One of the third row power folding seat switches is stuck closed
• The A/T selector lever is not in PARK position and the ignition switch is ON
DTC
Malfunction
Service Procedure
11
LH seat has traveled past normal fold
down position
1.
Perform Preliminary Check. Refer to
.
2.
Check third row power folding seat motor LH Hall signal
and ground circuits. Refer to
Folding Seat Stops Short of it's Fully Up or Down Posi-
tion"
3.
Replace third row power folding seat motor LH. Refer to
12
LH seat has traveled past normal fold up
position
13
LH seat actuation cycle has taken too
long and timed out
1.
Perform Preliminary Check. Refer to
.
2.
Check third row power folding seat motor LH motor cir-
cuits. Refer to
SE-33, "Only One Third Row Power Fold-
.
3.
Replace third row power folding seat motor LH. Refer to
14
Third row power folding seat control unit
NVRAM data for LH seat position has
been corrupted
Replace third row power folding seat control unit. Refer to
15
Power supply to third row power folding
seat control unit has been interrupted
during LH seat fold up/down cycle
1.
Perform Preliminary Check. Refer to
.
2.
Replace third row power folding seat control unit. Refer
to
SE-60, "Power seat cross beam"
.
21
RH seat has traveled past normal fold
down position
1.
Perform Preliminary Check. Refer to
.
2.
Check third row power folding seat motor RH Hall signal
and ground circuits. Refer to
Folding Seat Stops Short of it's Fully Up or Down Posi-
tion"
3.
Replace third row power folding seat motor RH. Refer to
22
RH seat has traveled past normal fold up
position
23
RH seat actuation cycle has taken too
long and timed out
1.
Perform Preliminary Check. Refer to
.
2.
Check third row power folding seat motor RH motor cir-
cuits. Refer to
SE-33, "Only One Third Row Power Fold-
.
3.
Replace third row power folding seat motor RH. Refer to
24
Third row power folding seat control unit
NVRAM data for RH seat position has
been corrupted
Replace third row power folding seat control unit. Refer to
25
Power supply to third row power folding
seat control unit has been interrupted
during RH seat fold up/down cycle
1.
Perform Preliminary Check. Refer to
.
2.
Replace third row power folding seat control unit. Refer
to
SE-60, "Power seat cross beam"
.
33
System normal or END of chime codes
—
THIRD ROW POWER FOLDING SEAT
SE-31
< SYMPTOM DIAGNOSIS >
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SYMPTOM DIAGNOSIS
THIRD ROW POWER FOLDING SEAT
Symptom Table
INFOID:0000000005147394
Symptom
Reference
None of the third row power folding seats will operate with any switch.
Refer to
SE-32, "None of the Third Row Power Folding
Seats Will Operate With Any Third Row Power Folding
Seat Switch"
Only one third row power folding seat will operate.
Refer to
SE-33, "Only One Third Row Power Folding Seat
Third row power folding seat will operate in only one direction.
Refer to
SE-35, "Third Row Power Folding Seat Will Oper-
Third row power folding seat will stop short of its fully up or down position.
Refer to
SE-37, "Third Row Power Folding Seat Stops
Short of it's Fully Up or Down Position"
Third row power folding seat makes excessive noise while moving.
Refer to
SE-38, "Third Row Power Folding Seat Makes Ex-
Seats make squeak or rattle noise.
Refer to
.
SE-32
< SYMPTOM DIAGNOSIS >
NONE OF THE THIRD ROW POWER FOLDING SEATS WILL OPERATE WITH
ANY SWITCH.
NONE OF THE THIRD ROW POWER FOLDING SEATS WILL OPERATE
WITH ANY SWITCH.
None of the Third Row Power Folding Seats Will Operate With Any Third Row Power
Folding Seat Switch
INFOID:0000000005147395
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 SWITCH GROUND
1. Turn ignition switch OFF.
2. Disconnect any third row power folding seat switch connector.
3. Check continuity between third row power folding seat switch
harness connector terminal 4 and ground.
Is there continuity?
YES
>> GO TO 3.
NO
>> Repair ground circuit.
3.
TRANSMISSION RANGE SWITCH SIGNAL
1. Confirm A/T selector lever is in PARK position.
2. Turn ignition switch ON.
3. Check voltage between third row power folding seat control unit
harness connector B401 terminal 7 and ground.
Is there battery voltage?
YES
>> Replace third row power folding seat control unit. Refer to
SE-60, "Power seat cross beam"
.
NO
>> Repair circuit as necessary.
ALJIA0116ZZ
Terminals
Ignition switch
(+)
(-)
ON
Third row power
folding seat
control unit
Terminal No.
B401
7
Ground
Battery voltage
ALJIA0278ZZ
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