Nissan March K13. Manual — part 202
P2122, P2123 APP SENSOR
EC-269
< DTC/CIRCUIT DIAGNOSIS >
[HR12DE (TYPE 1)]
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3.
Check the continuity between APP sensor harness connector and ECM harness connector.
4.
Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair open circuit or short to ground or short to power in harness or connectors.
4.
CHECK APP SENSOR 1 INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1.
Check the continuity between APP sensor harness connector and ECM harness connector.
2.
Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair open circuit or short to ground or short to power in harness or connectors.
5.
CHECK APP SENSOR
EC-269, "Component Inspection"
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Replace accelerator pedal assembly. Refer to
6.
CHECK INTERMITTENT INCIDENT
GI-33, "Intermittent Incident"
.
>> INSPECTION END
Component Inspection
INFOID:0000000005989362
1.
CHECK ACCELERATOR PEDAL POSITION SENSOR
1.
Reconnect all harness connectors disconnected.
2.
Turn ignition switch ON.
3.
Check the voltage between ECM harness connector and ground.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace accelerator pedal assembly. Refer to
APP sensor
ECM
Continuity
Connector
Terminal
Connector
Terminal
M206
2
E16
111
Existed
APP sensor
ECM
Continuity
Connector
Terminal
Connector
Terminal
M206
3
E16
110
Existed
ECM
Condition
Voltage
Connector
+
−
Terminal
Terminal
E16
110
(APP sensor 1 signal)
111
Accelerator
pedal
Fully released
0.6 - 0.9 V
Fully depressed
3.9 - 4.7 V
103
(APP sensor 2 signal)
104
Fully released
0.3 - 0.6 V
Fully depressed
1.95 - 2.4 V
EC-270
< DTC/CIRCUIT DIAGNOSIS >
[HR12DE (TYPE 1)]
P2127, P2128 APP SENSOR
P2127, P2128 APP SENSOR
DTC Logic
INFOID:0000000005989364
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
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 10 V at idle.
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Start engine and let it idle for 1 second.
2.
Check DTC.
Is DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000005989365
1.
CHECK APP SENSOR 2 POWER SUPPLY CIRCUIT-I
1.
Disconnect accelerator pedal position (APP) sensor harness connector.
2.
Turn ignition switch ON.
3.
Check the voltage between APP sensor harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> GO TO 2.
2.
CHECK APP SENSOR 2 POWER SUPPLY CIRCUIT-II
1.
Turn ignition switch OFF.
2.
Disconnect ECM harness connector.
3.
Check the continuity between APP sensor harness connector and ECM harness connector.
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
P2127
Accelerator pedal position
sensor 2 circuit low input
An excessively low voltage from the
APP sensor 2 is sent to ECM.
• Harness or connectors
(APP sensor 2 circuit is open or shorted.)
[Crankshaft position sensor (POS) circuit is shorted.]
(Refrigerant pressure sensor circuit is shorted.)
(Battery current sensor circuit is shorted.)
• Accelerator pedal position sensor
(APP sensor 2)
• Crankshaft position sensor (POS)
• Refrigerant pressure sensor
• Battery current sensor
P2128
Accelerator pedal position
sensor 2 circuit high input
An excessively high voltage from the
APP sensor 2 is sent to ECM.
APP sensor
Ground
Voltage
Connector
Terminal
E110
5
Ground
Approx. 5 V
P2127, P2128 APP SENSOR
EC-271
< DTC/CIRCUIT DIAGNOSIS >
[HR12DE (TYPE 1)]
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Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair open circuit or short to ground or short to power in harness or connectors.
3.
CHECK SENSOR POWER SUPPLY CIRCUIT
Check harness for short to power and short to ground, between the following terminals.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair short to ground or short to power in harness or connectors.
4.
CHECK COMPONENTS
Check the following.
• Battery current sensor (Refer to
EC-244, "Component Inspection"
.)
• Crankshaft position sensor (POS) (Refer to
EC-199, "Component Inspection"
• Refrigerant pressure sensor (Refer to
.)
Is the inspection result normal?
YES
>> GO TO 8.
NO
>> Replace malfunctioning component.
5.
CHECK APP SENSOR 2 GROUND CIRCUIT FOR OPEN AND SHORT
1.
Turn ignition switch OFF.
2.
Disconnect ECM harness connector.
3.
Check the continuity between APP sensor harness connector and ECM harness connector.
4.
Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Repair open circuit or short to ground or short to power in harness or connectors.
6.
CHECK APP SENSOR 2 INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1.
Check the continuity between APP sensor harness connector and ECM harness connector.
2.
Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
>> GO TO 7.
APP sensor
ECM
Continuity
Connector
Terminal
Connector
Terminal
E110
5
E18
102
Existed
ECM
Sensor
Connector
Terminal
Item
Connector
Terminal
E16
71
Battery current sensor
E16
1
75
CKP sensor (POS)
F20
1
E18
101
Refrigerant pressure sensor
E49
3
102
APP sensor
E110
5
APP sensor
ECM
Continuity
Connector
Terminal
Connector
Terminal
E110
1
E18
104
Existed
APP sensor
ECM
Continuity
Connector
Terminal
Connector
Terminal
E110
6
E18
103
Existed
EC-272
< DTC/CIRCUIT DIAGNOSIS >
[HR12DE (TYPE 1)]
P2127, P2128 APP SENSOR
NO
>> Repair open circuit or short to ground or short to power in harness or connectors.
7.
CHECK APP SENSOR
Check APP sensor. Refer to
EC-272, "Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 8.
NO
>> Replace accelerator pedal assembly. Refer to
8.
CHECK INTERMITTENT INCIDENT
Check intermittent incident. Refer to
GI-33, "Intermittent Incident"
.
>> Repair or replace malfunctioning part.
Component Inspection
INFOID:0000000005989366
1.
CHECK ACCELERATOR PEDAL POSITION SENSOR
1.
Reconnect all harness connectors disconnected.
2.
Turn ignition switch ON.
3.
Check the voltage between ECM harness connector and ground.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace accelerator pedal assembly. Refer to
ECM
Condition
Voltage
Connector
+
−
Terminal
Terminal
E16
110
(APP sensor 1 signal)
111
Accelerator
pedal
Fully released
0.6 - 0.9 V
Fully depressed
3.9 - 4.7 V
103
(APP sensor 2 signal)
104
Fully released
0.3 - 0.6 V
Fully depressed
1.95 - 2.4 V
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