2009 INFINITI QX56 Factory Service Manual

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Page 3257 of 4171

INFINITI QX56 2009 Factory Service Manual THIRD ROW POWER FOLDING SEAT CONTROL UNITSE-25
< ECU DIAGNOSIS >
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ABJIA0088GB
Revision: December 20092009 QX56

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INFINITI QX56 2009 Factory Service Manual SE-26
< ECU DIAGNOSIS >
THIRD ROW POWER FOLDING SEAT CONTROL UNIT
ABJIA0089GB
Revision: December 20092009 QX56

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INFINITI QX56 2009 Factory Service Manual THIRD ROW POWER FOLDING SEAT CONTROL UNITSE-27
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Revision: December 20092009 QX56

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INFINITI QX56 2009 Factory Service Manual SE-28
< ECU DIAGNOSIS >
THIRD ROW POWER FOLDING SEAT CONTROL UNIT
ABJIA0091GB
Revision: December 20092009 QX56

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INFINITI QX56 2009 Factory Service Manual THIRD ROW POWER FOLDING SEAT CONTROL UNITSE-29
< ECU DIAGNOSIS >
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DTC IndexINFOID:0000000003775452
NOTE:
To initiate a chime code sequence cycle, turn the ignition switc

Page 3262 of 4171

INFINITI QX56 2009 Factory Service Manual SE-30
< ECU DIAGNOSIS >
THIRD ROW POWER FOLDING SEAT CONTROL UNIT
Fail Safe
INFOID:0000000003775453
The third row power folding seat will not operate under the following conditions:
• Power supply t

SE-30
< ECU DIAGNOSIS >
THIRD ROW POWER FOLDING SEAT CONTROL UNIT
Fail Safe
INFOID:0000000003775453
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 foldi ng seat switches is stuck closed
• The A/T selector lever is not in PARK position and the ignition switch is ON
DTCMalfunction Service Procedure
11 LH seat has traveled past normal fold
down position 1. Perform Preliminary Check. Refer to
SE-5, "
Preliminary
Check".
2. Check third row power folding seat motor LH Hall signal and ground circuits. Refer to SE-36, "
Third Row Power
Folding Seat Stops Short of it's Fully Up or Down Posi-
tion".
3. Replace third row power folding seat motor LH. Refer to SE-56, "
Exploded View".
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
SE-5, "
Preliminary
Check".
2. Check third row power folding seat motor LH motor cir- cuits. Refer to SE-33, "
Only One Third Row Power Fold-
ing Seat Will Operate".
3. Replace third row power folding seat motor LH. Refer to SE-56, "
Exploded View".
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
SE-
59, "Power seat cross beam".
15 Power supply to thir
d row power folding
seat control unit has been interrupted
during LH seat fold up/down cycle 1. Perform Preliminary Check. Refer to
SE-5, "
Preliminary
Check".
2. Replace third row power folding seat control unit. Refer to SE-59, "
Power seat cross beam".
21 RH seat has traveled past normal fold
down position 1. Perform Preliminary Check. Refer to
SE-5, "
Preliminary
Check".
2. Check third row power folding seat motor RH Hall signal and ground circuits. Refer to SE-36, "
Third Row Power
Folding Seat Stops Short of it's Fully Up or Down Posi-
tion".
3. Replace third row power folding seat motor RH. Refer to SE-56, "
Exploded View".
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
SE-5, "
Preliminary
Check".
2. Check third row power folding seat motor RH motor cir- cuits. Refer to SE-33, "
Only One Third Row Power Fold-
ing Seat Will Operate".
3. Replace third row power folding seat motor RH. Refer to SE-56, "
Exploded View".
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
SE-
59, "Power seat cross beam".
25 Power supply to thir
d row power folding
seat control unit has been interrupted
during RH seat fold up/down cycle 1. Perform Preliminary Check. Refer to
SE-5, "
Preliminary
Check".
2. Replace third row power folding seat control unit. Refer
to SE-59, "
Power seat cross beam".
33 System normal or END of chime codes —
Revision: December 20092009 QX56

Page 3263 of 4171

INFINITI QX56 2009 Factory Service Manual THIRD ROW POWER FOLDING SEATSE-31
< SYMPTOM DIAGNOSIS >
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SYMPTOM DIAGNOSIS
THIRD ROW POWER FOLDING SEAT
Symptom TableINFOID:0000000003775454
Symptom Reference
None of th

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INFINITI QX56 2009 Factory Service Manual SE-32
< SYMPTOM DIAGNOSIS >
NONE OF THE THIRD ROW POWER FOLDING SEATS WILL OPERATE WITH
ANY SWITCH.
NONE OF THE THIRD ROW POWE R FOLDING SEATS WILL OPERATE
WITH ANY SWITCH.
None of the Third Row Powe

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