2007 INFINITI QX56 air condition

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Page 1258 of 3061

INFINITI QX56 2007  Factory Service Manual DTC P0037, P0038, P0057, P0058 HO2S2 HEATER
EC-175
< SERVICE INFORMATION >
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Diagnosis ProcedureINFOID:0000000003531669
1.CHECK GROUND CONNECTIONS
1. Turn ignition switch

Page 1261 of 3061

INFINITI QX56 2007  Factory Service Manual EC-178
< SERVICE INFORMATION >
DTC P0075, P0081 IVT CONTROL SOLENOID VALVE
DTC P0075, P0081 IVT CONTROL SOLENOID VALVE
Component DescriptionINFOID:0000000003531672
Intake valve timing control solenoid

Page 1269 of 3061

INFINITI QX56 2007  Factory Service Manual EC-186
< SERVICE INFORMATION >
DTC P0101 MAF SENSOR
DTC P0101 MAF SENSOR
Component DescriptionINFOID:0000000003531680
The mass air flow sensor is placed in the stream of intake air. It mea-
sures the

Page 1271 of 3061

INFINITI QX56 2007  Factory Service Manual EC-188
< SERVICE INFORMATION >
DTC P0101 MAF SENSOR
7. Maintain the following conditions for at least 10 consecutive sec-
onds.
8. If 1st trip DTC is detected, go to EC-190, "
Diagnosis Procedure".
Ov

Page 1273 of 3061

INFINITI QX56 2007  Factory Service Manual EC-190
< SERVICE INFORMATION >
DTC P0101 MAF SENSOR
Diagnosis Procedure
INFOID:0000000003531686
1.INSPECTION START
Which malfunction (A or B) is duplicated?
A or B
A>>GO TO 3.
B>>GO TO 2.
2.CHECK INTA

Page 1275 of 3061

INFINITI QX56 2007  Factory Service Manual EC-192
< SERVICE INFORMATION >
DTC P0101 MAF SENSOR
Refer to EC-204, "Component Inspection".
OK or NG
OK >> GO TO 9.
NG >> Replace intake air temperature sensor.
9.CHECK EVAP CONTROL SYSTEM PRESSURE S

Page 1276 of 3061

INFINITI QX56 2007  Factory Service Manual DTC P0101 MAF SENSOR
EC-193
< SERVICE INFORMATION >
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1. Reconnect all harness connectors disconnected.
2. Start engine and warm it up to normal operating temperature.
3.

Page 1277 of 3061

INFINITI QX56 2007  Factory Service Manual EC-194
< SERVICE INFORMATION >
DTC P0102, P0103 MAF SENSOR
DTC P0102, P0103 MAF SENSOR
Component DescriptionINFOID:0000000003531689
The mass air flow sensor is placed in the stream of intake air. It m