2008 INFINITI QX56 air condition

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Page 1766 of 4083

INFINITI QX56 2008  Factory Service Manual ECM
EC-467
< ECU DIAGNOSIS > [VK56DE]
C
D
E
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G H
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M A
EC
NP
O
Procedures for clearing the DTC and the 1st trip DT
C from the ECM memory are described in "HOW TO
ERASE EMISSION-RELATED DIAGNOST

Page 1772 of 4083

INFINITI QX56 2008  Factory Service Manual ECM
EC-473
< ECU DIAGNOSIS > [VK56DE]
C
D
E
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G H
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K L
M A
EC
NP
O
• Sea level
• Flat road
• Ambient air temperature: 20 - 30
°C (68 - 86 °F)
• Diagnosis is performed as quickly as possib

Page 1775 of 4083

INFINITI QX56 2008  Factory Service Manual EC-476
< ECU DIAGNOSIS >[VK56DE]
ECM
EGR 
SYSTEM31H EGR function P0400 80H 96H
Low Flow Faults: EGR temp 
change rate (short term)
P0400 81H 96H Low Flow Faults: EGR temp 
change rate (long term)
P040

Page 1781 of 4083

INFINITI QX56 2008  Factory Service Manual EC-482
< SYMPTOM DIAGNOSIS >[VK56DE]
ENGINE CONTROL SYSTEM SYMPTOMS
1 - 6: The numbers refer to the order of inspection.
(continued on next page)
SYSTEM — ENGINE MECHANICAL & OTHER
Mass air flow sen

Page 1802 of 4083

INFINITI QX56 2008  Factory Service Manual SERVICE DATA AND SPECIFICATIONS (SDS)EC-503
< SERVICE DATA AND SPECIFICATIONS (SDS)  [VK56DE]
C
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G H
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K L
M A
EC
NP
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SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS

Page 1814 of 4083

INFINITI QX56 2008  Factory Service Manual NOISE, VIBRATION, AND HARSHNESS (NVH) TROUBLESHOOTINGEM-11
< FUNCTION DIAGNOSIS >
C
DE
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K L
M A
EM
NP
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Use the Chart Below to Help You 
Find the Cause of the SymptomINFOID:0000000001538804
1

Page 1821 of 4083

INFINITI QX56 2008  Factory Service Manual EM-18
< ON-VEHICLE MAINTENANCE >
CAMSHAFT VALVE CLEARANCE
CAMSHAFT VALVE CLEARANCE
Valve ClearanceINFOID:0000000001538810
INSPECTION
NOTE:
Perform the following inspection after removal, installation

Page 1859 of 4083

INFINITI QX56 2008  Factory Service Manual EM-56
< ON-VEHICLE REPAIR >
CAMSHAFT
c. Remove the bolts and the RH bank timing chain tensioner (A).NOTE:
If it is difficult to push plunger on RH bank timing chain tensioner
(A), remove the plunger u