2010 INFINITI QX56 Factory Service Manual

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Page 3265 of 4210

INFINITI QX56 2010 Factory Service Manual SUSPENSION CONTROL UNITSCS-33
< ECU DIAGNOSIS >
C
DF
G H
I
J
K L
M A
B
SCS
N
O P
ABEIA0017GB
Revision: April 20092010 QX56

Page 3266 of 4210

INFINITI QX56 2010 Factory Service Manual SCS-34
< ECU DIAGNOSIS >
SUSPENSION CONTROL UNIT
DTC Index
INFOID:0000000005148192
Self-diagnosis results display item
ABEIA0018GB
CONSULT-III display MalfunctionReference page
Vehicle height sensor [

Page 3267 of 4210

INFINITI QX56 2010 Factory Service Manual SUSPENSION CONTROL UNITSCS-35
< ECU DIAGNOSIS >
C
DF
G H
I
J
K L
M A
B
SCS
N
O P
Compressor relay [C1802] • Driving transistor for compressor relay is OFF and monitor
voltage continues at a high le

Page 3268 of 4210

INFINITI QX56 2010 Factory Service Manual SCS-36
< SYMPTOM DIAGNOSIS >
SUSPENSION CONTROL SYSTEM
SYMPTOM DIAGNOSIS
SUSPENSION CONTROL SYSTEM
Symptom TableINFOID:0000000005148193
AIR LEVELIZER
SymptomPossible causeReference page
Inoperative �

Page 3269 of 4210

INFINITI QX56 2010 Factory Service Manual SUSPENSION CONTROL SYSTEM INOPERATIVESCS-37
< SYMPTOM DIAGNOSIS >
C
DF
G H
I
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M A
B
SCS
N
O P
SUSPENSION CONTROL SYSTEM INOPERATIVE
DescriptionINFOID:0000000005148194
The suspension control syste

Page 3270 of 4210

INFINITI QX56 2010 Factory Service Manual SCS-38
< SYMPTOM DIAGNOSIS >
SUSPENSION CONTROL SYSTEM DOES NOT RAISE
SUSPENSION CONTROL SYSTEM DOES NOT RAISE
DescriptionINFOID:0000000005148196
The suspension control system does not raise t he vehi

Page 3271 of 4210

INFINITI QX56 2010 Factory Service Manual SUSPENSION CONTROL SYSTEM DOES NOT LOWER
SCS-39
< SYMPTOM DIAGNOSIS >
C
D F
G H
I
J
K L
M A
B
SCS
N
O P
SUSPENSION CONTROL SYST EM DOES NOT LOWER
DescriptionINFOID:0000000005148198
The suspension cont

Page 3272 of 4210

INFINITI QX56 2010 Factory Service Manual SCS-40
< PRECAUTION >
PRECAUTIONS
PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000005383225
The Supplemental Restraint

SCS-40
< PRECAUTION >
PRECAUTIONS
PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000005383225
The Supplemental Restraint System such as “A IR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain
types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front
air bag, depending on the severity of a collision and w hether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the SR and SB section of this Service Man-
ual.
WARNING:
• To avoid rendering the SRS inopera tive, which could increase the risk of personal injury or death in
the event of a collision which would result in air bag inflation, all maintenance must be performed by
an authorized NISSAN/INFINITI dealer.
• Improper maintenance, including in correct removal and installation of the SRS, can lead to personal
injury caused by unintent ional activation of the system. For re moval of Spiral Cable and Air Bag
Module, see the SR section.
• Do not use electrical test equipmen t on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harn esses can be identified by yellow and/or orange harnesses or har-
ness connectors.
PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS
WARNING:
• When working near the Airbag Diagnosis Sensor Unit or other Airbag System sensors with the Igni-
tion ON or engine running, DO NOT use air or electri c power tools or strike near the sensor(s) with a
hammer. Heavy vibration could activate the sensor( s) and deploy the air bag(s), possibly causing
serious injury.
• When using air or electric power tools or hammers , always switch the Ignition OFF, disconnect the
battery, and wait at least 3 minu tes before performing any service.
Precaution for Rear SuspensionINFOID:0000000005148201
• When installing the rubber bushings, the final ti ghtening must be done under unladen condition and with the
tires on level ground. Oil will shorten the life of the r ubber bushings, so wipe off any spilled oil immediately.
• Unladen condition means the fuel tank, engine coolant and lubricants are at the full specification. The spare tire, jack, hand tools, and mats are in their designated positions.
• After installing suspension components, check the wheel alignment.
• Caulking nuts are not reusable. Always use new caulking nuts for installation. New caulking nuts are pre-
oiled, do not apply any additional lubrication.
Revision: April 20092010 QX56

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