2008 INFINITI QX56 Factory Service Manual

Page 1409 of 4083

INFINITI QX56 2008  Factory Service Manual EC-110
< COMPONENT DIAGNOSIS >[VK56DE]
P0101 MAF SENSOR
3. Check voltage between MAF sensor terminal 2 and ground with
CONSULT-III or tester.
OK or NG
OK >> GO TO 6.
NG >> GO TO 5.
5.DETECT MALFUNCTIO

Page 1410 of 4083

INFINITI QX56 2008  Factory Service Manual P0101 MAF SENSOREC-111
< COMPONENT DIAGNOSIS > [VK56DE]
C
D
E
F
G H
I
J
K L
M A
EC
NP
O
OK >> GO TO 11.
NG >> Replace mass air flow sensor.
11 .CHECK INTERMITTENT INCIDENT
Refer to  GI-35, "
How to Ch

Page 1411 of 4083

INFINITI QX56 2008  Factory Service Manual EC-112
< COMPONENT DIAGNOSIS >[VK56DE]
P0101 MAF SENSOR
4. If the voltage is out of spec
ification, proceed the following.
a. Check for the cause of uneven air flow through mass air flow sensor. Refer

Page 1412 of 4083

INFINITI QX56 2008  Factory Service Manual P0102, P0103 MAF SENSOREC-113
< COMPONENT DIAGNOSIS > [VK56DE]
C
D
E
F
G H
I
J
K L
M A
EC
NP
O
P0102, P0103 MAF SENSOR
Component DescriptionINFOID:0000000001351410
The mass air flow sensor is placed i

Page 1413 of 4083

INFINITI QX56 2008  Factory Service Manual EC-114
< COMPONENT DIAGNOSIS >[VK56DE]
P0102, P0103 MAF SENSOR
 With GST
Follow the procedure “With CONSULT-III” above.
Diagnosis ProcedureINFOID:0000000001351415
1.INSPECTION START
Which malfunct

Page 1414 of 4083

INFINITI QX56 2008  Factory Service Manual P0102, P0103 MAF SENSOREC-115
< COMPONENT DIAGNOSIS > [VK56DE]
C
D
E
F
G H
I
J
K L
M A
EC
NP
O
3. Check voltage between MAF sensor terminal 2 and ground with
CONSULT-III or tester.
OK or NG
OK >> GO T

Page 1415 of 4083

INFINITI QX56 2008  Factory Service Manual EC-116
< COMPONENT DIAGNOSIS >[VK56DE]
P0102, P0103 MAF SENSOR
 With CONSULT-III
1. Reconnect all harness connectors disconnected.
2. Start engine and warm it up to normal operating temperature.
3. Co

Page 1416 of 4083

INFINITI QX56 2008  Factory Service Manual P0102, P0103 MAF SENSOREC-117
< COMPONENT DIAGNOSIS > [VK56DE]
C
D
E
F
G H
I
J
K L
M A
EC
NP
O
8. If NG, clean or replace mass air flow sensor.
Revision: March 2010
2008 QX56