2005 INFINITI QX4 Factory Service Manual

Page 1641 of 3419

INFINITI QX4 2005  Factory Service Manual EC-450Revision: October 2005
DTC P1225 TP SENSOR
2005 QX56
DTC P1225 TP SENSORPFP:16119
Component DescriptionUBS00H91
Electric throttle control actuator consists of throttle control motor,
throttle po

Page 1642 of 3419

INFINITI QX4 2005  Factory Service Manual DTC P1225 TP SENSOR
EC-451
C
D
E
F
G
H
I
J
K
L
MA
EC
Revision: October 20052005 QX56
Diagnostic ProcedureUBS00H94
1. CHECK ELECTRIC THROTTLE CONTROL ACTUATOR VISUALLY
1. Turn ignition switch OFF.
2. R

Page 1643 of 3419

INFINITI QX4 2005  Factory Service Manual EC-452Revision: October 2005
DTC P1226 TP SENSOR
2005 QX56
DTC P1226 TP SENSORPFP:16119
Component DescriptionUBS00H96
Electric throttle control actuator consists of throttle control motor,
throttle po

Page 1644 of 3419

INFINITI QX4 2005  Factory Service Manual DTC P1226 TP SENSOR
EC-453
C
D
E
F
G
H
I
J
K
L
MA
EC
Revision: October 20052005 QX56
Diagnostic ProcedureUBS00H99
1. CHECK ELECTRIC THROTTLE CONTROL ACTUATOR VISUALLY
1. Turn ignition switch OFF.
2. R

Page 1645 of 3419

INFINITI QX4 2005  Factory Service Manual EC-454Revision: October 2005
DTC P1229 SENSOR POWER SUPPLY
2005 QX56
DTC P1229 SENSOR POWER SUPPLYPFP:16119
On Board Diagnosis LogicUBS00H9B
This self-diagnosis has the one trip detection logic.
FAIL

Page 1646 of 3419

INFINITI QX4 2005  Factory Service Manual DTC P1229 SENSOR POWER SUPPLY
EC-455
C
D
E
F
G
H
I
J
K
L
MA
EC
Revision: October 20052005 QX56
Wiring DiagramUBS00H9D
BBWA1699E

Page 1647 of 3419

INFINITI QX4 2005  Factory Service Manual EC-456Revision: October 2005
DTC P1229 SENSOR POWER SUPPLY
2005 QX56
Specification data are reference values and are measured between each terminal and ground.
CAUTION:
Do not use ECM ground terminals

Page 1648 of 3419

INFINITI QX4 2005  Factory Service Manual DTC P1229 SENSOR POWER SUPPLY
EC-457
C
D
E
F
G
H
I
J
K
L
MA
EC
Revision: October 20052005 QX56
2. CHECK APP SENSOR 1 POWER SUPPLY CIRCUIT
1. Disconnect accelerator pedal position (APP) sensor harness