2005 INFINITI QX4 ignition

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Page 2892 of 3419

INFINITI QX4 2005  Factory Service Manual TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
RSU-17
C
D
F
G
H
I
J
K
L
MA
B
RSU
Revision: October 20052005 QX56
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMSPFP:00000
Height Sensor System InspectionEES001

Page 2893 of 3419

INFINITI QX4 2005  Factory Service Manual RSU-18
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
Revision: October 20052005 QX56
4. CHECK HEIGHT SENSOR POWER AND GROUND
1. Reconnect the suspension control unit connector.
2. Turn the ignition swit

Page 2895 of 3419

INFINITI QX4 2005  Factory Service Manual RSU-20
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
Revision: October 20052005 QX56
5. EXHAUST VALVE SOLENOID INSPECTION
Apply 12V to suspension air compressor C9 terminal 2 and body
ground to suspensi

Page 2897 of 3419

INFINITI QX4 2005  Factory Service Manual RSU-22
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
Revision: October 20052005 QX56
6. CHECK SUSPENSION AIR COMPRESSOR POWER AND GROUND
1. Turn the ignition switch ON.
2. Check voltage between suspensi

Page 2898 of 3419

INFINITI QX4 2005  Factory Service Manual TROUBLE DIAGNOSES FOR SYMPTOMS
RSU-23
C
D
F
G
H
I
J
K
L
MA
B
RSU
Revision: October 20052005 QX56
TROUBLE DIAGNOSES FOR SYMPTOMSPFP:99999
Load Leveling Rear Air Suspension System Does Not OperateEES001

Page 2899 of 3419

INFINITI QX4 2005  Factory Service Manual RSU-24
TROUBLE DIAGNOSES FOR SYMPTOMS
Revision: October 20052005 QX56
4. CHECK GENERATOR SIGNAL INPUT
1. Start the engine.
2. Check voltage between suspension control unit connector B3
terminal 15 (BR

Page 2925 of 3419

INFINITI QX4 2005  Factory Service Manual SB-2
PRECAUTIONS
Revision: October 20052005 QX56
PRECAUTIONSPFP:00001
Precautions for Supplemental Restraint System (SRS) “AIR BAG” and “SEAT 
BELT PRE-TENSIONER”
EHS00161
The Supplemental Res

Page 2927 of 3419

INFINITI QX4 2005  Factory Service Manual SB-4
SEAT BELTS
Revision: October 20052005 QX56
FRONT SEAT BELT RETRACTOR 
Removal
CAUTION:
Before servicing SRS, turn the ignition switch off, disconnect both battery cables and wait at least
3 minu