Infiniti G35 (V35). Manual — part 428
DTC P2122, P2123 APP SENSOR
EC-593
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DTC Confirmation Procedure
NBS0010P
NOTE:
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at
least 10 seconds before conducting the next test.
TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is more than 8V at idle.
WITH CONSULT-II
1.
Turn ignition switch ON.
2.
Select “DATA MONITOR” mode with CONSULT-II.
3.
Start engine and let it idle for 1 second.
4.
EC-595, "Diagnostic Procedure"
.
WITH GST
Follow the procedure “WITH CONSULT-II” above.
SEF058Y
EC-594
DTC P2122, P2123 APP SENSOR
Wiring Diagram
NBS0010Q
TBWT0276E
DTC P2122, P2123 APP SENSOR
EC-595
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Specification data are reference values and are measured between each terminal and ground.
CAUTION:
Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in dam-
age to the ECM's transistor. Use a ground other than ECM terminals, such as the ground.
Diagnostic Procedure
NBS0010R
1.
CHECK GROUND CONNECTIONS
1.
Turn ignition switch OFF.
2.
Loosen and retighten two ground screws on the body. Refer to
.
OK or NG
OK
>> GO TO 2.
NG
>> Repair or replace ground connections.
TER-
MINAL
NO.
WIRE
COLOR
ITEM
CONDITION
DATA (DC Voltage)
82
GY/L
Sensor ground
(Accelerator pedal position
sensor 1)
[Engine is running]
●
Warm-up condition
●
Idle speed
Approximately 0V
83
B/R
Sensor ground
(Accelerator pedal position
sensor 2)
[Engine is running]
●
Warm-up condition
●
Idle speed
Approximately 0V
90
BR/Y
Sensor power supply
(Accelerator pedal position
sensor 1)
[Ignition switch: ON]
Approximately 5V
91
G
Sensor power supply
(Accelerator pedal position
sensor 2)
[Ignition switch: ON]
Approximately 5V
98
LG/B
Accelerator pedal position
sensor 2
[Ignition switch: ON]
●
Engine stopped
●
Accelerator pedal: Fully released
0.15 - 0.60V
[Ignition switch: ON]
●
Engine stopped
●
Accelerator pedal: Fully depressed
1.95 - 2.40V
106
BR
Accelerator pedal position
sensor 1
[Ignition switch: ON]
●
Engine stopped
●
Accelerator pedal: Fully released
0.5 - 1.0V
[Ignition switch: ON]
●
Engine stopped
●
Accelerator pedal: Fully depressed
3.9 - 4.7V
PBIB2192E
EC-596
DTC P2122, P2123 APP SENSOR
2.
CHECK APP SENSOR 1 POWER SUPPLY CIRCUIT
1.
Disconnect accelerator pedal position (APP) sensor harness
connector.
2.
Turn ignition switch ON.
3.
Check voltage between APP sensor terminal 6 and ground with
CONSULT-II or tester.
OK or NG
OK
>> GO TO 4.
NG
>> GO TO 3.
3.
DETECT MALFUNCTIONING PART
Check the following.
●
Harness connectors E10, F1
●
Harness for open or short between ECM and APP sensor
>> Repair open circuit or short to ground or short to power in harness or connectors.
4.
CHECK APP SENSOR 1 GROUND CIRCUIT FOR OPEN AND SHORT
1.
Turn ignition switch OFF.
2.
Disconnect ECM harness connector.
3.
Check harness continuity between APP sensor terminal 3 and ECM terminal 82.
Refer to Wiring Diagram.
4.
Also check harness for short to ground and short to power.
OK or NG
OK
>> GO TO 6.
NG
>> GO TO 5.
5.
DETECT MALFUNCTIONING PART
Check the following.
●
Harness connectors E10, F1
●
Harness for open or short between ECM and APP sensor
>> Repair open circuit or short to ground or short to power in harness or connectors.
PBIB0996E
Voltage: Approximately 5V
PBIB0914E
Continuity should exist.
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