Nissan Primera P12. Instruction — part 235
DTC P0122, P0123 APP SENSOR
EC-125
[YD (WITH EURO-OBD)]
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EC
On Board Diagnosis Logic
EBS013LT
These self-diagnoses have the one trip detection logic.
The MI will not light up for these self-diagnoses.
DTC Confirmation Procedure
EBS013LU
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.
WITH CONSULT-II
1.
Turn ignition switch ON.
2.
Select “DATA MONITOR” mode with CONSULT-II.
3.
Wait at least 5 seconds.
4.
If DTC is detected, go to
EC-127, "Diagnostic Procedure"
.
WITH GST
Follow the procedure “WITH CONSULT-II” above.
91
W
Accelerator pedal position
sensor 2
[Ignition switch ON]
●
Engine stopped
●
Accelerator pedal fully released
0.4 - 0.7V
[Ignition switch ON]
●
Engine stopped
●
Accelerator pedal fully depressed
2.2 - 2.7V
92
B
Accelerator pedal position
sensor 2 ground
[Ignition switch ON]
Approximately 0.3V
TERMI-
NAL
NO.
WIRE
COLOR
ITEM
CONDITION
DATA
(DC Voltage)
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
P0122
Accelerator pedal position
sensor 1 circuit low input
An excessively low voltage from the APP sensor
1 is sent to ECM.
●
Harness or connectors
(The APP sensor 1 circuit is open or
shorted.)
●
Accelerator pedal position sensor
(Accelerator pedal position sensor 1)
P0123
Accelerator pedal position
sensor 1 circuit high input
An excessively high voltage from the APP sensor
1 is sent to ECM.
SEF817Y
EC-126
[YD (WITH EURO-OBD)]
DTC P0122, P0123 APP SENSOR
Wiring Diagram
EBS013LV
MBWA0374E
DTC P0122, P0123 APP SENSOR
EC-127
[YD (WITH EURO-OBD)]
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EC
Diagnostic Procedure
EBS013LW
1.
CHECK GROUND CONNECTIONS
1.
Turn ignition switch OFF.
2.
Loosen and retighten engine ground screws. Refer to
.
OK or NG
OK
>> GO TO 2.
NG
>> Repair or replace ground connections.
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 2 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 F109, M77
●
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.
MBIB0915E
MBIB0903E
Voltage: Approximately 5.3V
PBIB0811E
EC-128
[YD (WITH EURO-OBD)]
DTC P0122, P0123 APP SENSOR
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 4 and ECM terminal 84.
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 F109, M77
●
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.
6.
CHECK APP SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1.
Check harness continuity between ECM terminal 83 and APP sensor terminal 3.
Refer to Wiring Diagram.
2.
Also check harness for short to ground and short to power.
OK or NG
OK
>> GO TO 8.
NG
>> GO TO 7.
7.
DETECT MALFUNCTIONING PART
Check the following.
●
Harness connectors F109, M77
●
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.
8.
CHECK APP SENSOR
Refer to
EC-128, "Component Inspection"
.
OK or NG
OK
>> GO TO 9.
NG
>> Replace accelerator pedal assembly.
9.
CHECK INTERMITTENT INCIDENT
Refer to
EC-75, "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT"
.
>> INSPECTION END
Component Inspection
EBS013LX
ACCELERATOR PEDAL POSITION SENSOR
1.
Reconnect all harness connectors disconnected.
Continuity should exist.
Continuity should exist.
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