2008 INFINITI QX56 Factory Service Manual

Page 1673 of 4083

INFINITI QX56 2008  Factory Service Manual EC-374
< COMPONENT DIAGNOSIS >[VK56DE]
P2127, P2128 APP SENSOR
1. Turn ignition switch OFF.
2. Loosen and retighten three ground screws on the body.
Refer to EC-86, "
Ground Inspection".
OK or NG
OK >

Page 1674 of 4083

INFINITI QX56 2008  Factory Service Manual P2127, P2128 APP SENSOREC-375
< COMPONENT DIAGNOSIS > [VK56DE]
C
D
E
F
G H
I
J
K L
M A
EC
NP
O
OK or NG
OK >> GO TO 5.
NG >> Repair short to ground or short to power in harness or connectors.
5.CHECK

Page 1675 of 4083

INFINITI QX56 2008  Factory Service Manual EC-376
< COMPONENT DIAGNOSIS >[VK56DE]
P2127, P2128 APP SENSOR
>>
INSPECTION END
11 .CHECK INTERMITTENT INCIDENT
Refer to  GI-35, "
How to Check Terminal" and GI-38, "Intermittent Incident".
>> INSPEC

Page 1676 of 4083

INFINITI QX56 2008  Factory Service Manual P2135 TP SENSOREC-377
< COMPONENT DIAGNOSIS > [VK56DE]
C
D
E
F
G H
I
J
K L
M A
EC
NP
O
P2135 TP SENSOR
Component DescriptionINFOID:0000000001365840
Electric throttle control actuator 
consists of thro

Page 1677 of 4083

INFINITI QX56 2008  Factory Service Manual EC-378
< COMPONENT DIAGNOSIS >[VK56DE]
P2135 TP SENSOR
2. Loosen and retighten three ground screws on the body.
Refer to EC-86, "
Ground Inspection".
OK or NG
OK >> GO TO 2.
NG >> Repair or replace gr

Page 1678 of 4083

INFINITI QX56 2008  Factory Service Manual P2135 TP SENSOREC-379
< COMPONENT DIAGNOSIS > [VK56DE]
C
D
E
F
G H
I
J
K L
M A
EC
NP
O
OK or NG
OK >> GO TO 5.
NG >> Repair short to ground or short to power in harness or connectors.
5.CHECK ACCELERA

Page 1679 of 4083

INFINITI QX56 2008  Factory Service Manual EC-380
< COMPONENT DIAGNOSIS >[VK56DE]
P2135 TP SENSOR
>>
INSPECTION END
11 .CHECK INTERMITTENT INCIDENT
Refer to  GI-35, "
How to Check Terminal" and GI-38, "Intermittent Incident".
>> INSPECTION END

Page 1680 of 4083

INFINITI QX56 2008  Factory Service Manual P2138 APP SENSOREC-381
< COMPONENT DIAGNOSIS > [VK56DE]
C
D
E
F
G H
I
J
K L
M A
EC
NP
O
P2138 APP SENSOR
Component DescriptionINFOID:0000000001528877
The accelerator pedal position sensor is installed