2008 INFINITI QX56 Factory Service Manual

Page 1665 of 4083

INFINITI QX56 2008  Factory Service Manual EC-366
< COMPONENT DIAGNOSIS >[VK56DE]
P2118 THROTTLE CONTROL MOTOR
P2118 THROTTLE CONTROL MOTOR
Component DescriptionINFOID:0000000001528866
The throttle control motor is operated by the ECM and it o

Page 1666 of 4083

INFINITI QX56 2008  Factory Service Manual P2118 THROTTLE CONTROL MOTOREC-367
< COMPONENT DIAGNOSIS > [VK56DE]
C
D
E
F
G H
I
J
K L
M A
EC
NP
O
NG >> Repair or replace ground connections.
2.CHECK THROTTLE CONTROL MOTOR OUTPUT SIGNAL CIRCUIT FOR

Page 1667 of 4083

INFINITI QX56 2008  Factory Service Manual EC-368
< COMPONENT DIAGNOSIS >[VK56DE]
P2119 ELECTRIC THROTTLE CONTROL ACTUATOR
P2119 ELECTRIC THROTTLE CONTROL ACTUATOR
Component DescriptionINFOID:0000000001528873
Electric throttle control actuator

Page 1668 of 4083

INFINITI QX56 2008  Factory Service Manual P2119 ELECTRIC THROTTLE CONTROL ACTUATOREC-369
< COMPONENT DIAGNOSIS > [VK56DE]
C
D
E
F
G H
I
J
K L
M A
EC
NP
O
PROCEDURE FOR MALFUNCTION C
 With CONSULT-III
1. Turn ignition switch ON and wait at lea

Page 1669 of 4083

INFINITI QX56 2008  Factory Service Manual EC-370
< COMPONENT DIAGNOSIS >[VK56DE]
P2122, P2123 APP SENSOR
P2122, P2123 APP SENSOR
Component DescriptionINFOID:0000000001365823
The accelerator pedal position sensor is installed on the upper end

Page 1670 of 4083

INFINITI QX56 2008  Factory Service Manual P2122, P2123 APP SENSOREC-371
< COMPONENT DIAGNOSIS > [VK56DE]
C
D
E
F
G H
I
J
K L
M A
EC
NP
O
Diagnosis ProcedureINFOID:0000000001365828
1.CHECK GROUND CONNECTIONS
1. Turn ignition switch OFF.
2. Loo

Page 1671 of 4083

INFINITI QX56 2008  Factory Service Manual EC-372
< COMPONENT DIAGNOSIS >[VK56DE]
P2122, P2123 APP SENSOR
4.CHECK APP SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Check harness continuity between ECM terminal 106 and APP sensor terminal 2

Page 1672 of 4083

INFINITI QX56 2008  Factory Service Manual P2127, P2128 APP SENSOREC-373
< COMPONENT DIAGNOSIS > [VK56DE]
C
D
E
F
G H
I
J
K L
M A
EC
NP
O
P2127, P2128 APP SENSOR
Component DescriptionINFOID:0000000001365832
The accelerator pedal position senso