Nissan Tiida C11. Instruction — part 635
EC-1190
< COMPONENT DIAGNOSIS >
[K9K]
P2101 ELECTRIC THROTTLE CONTROL FUNCTION
2.
Disconnect electric throttle control actuator harness connector.
3.
Check resistance between electric throttle control actuator terminals as follows.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace electric throttle control actuator.
Terminals
Resistance
1 and 2
21
±
2.1
Ω
[23
°
C (73
°
F)]
P2120 APP SENSOR
EC-1191
< COMPONENT DIAGNOSIS >
[K9K]
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P2120 APP SENSOR
Description
INFOID:0000000001162667
The accelerator pedal position sensor is installed on the upper end
of the accelerator pedal assembly. The sensors detect the accelera-
tor pedal position and sends a signal to the ECM. The ECM uses the
signal to determine the amount of fuel to be injected.
DTC Logic
INFOID:0000000001162668
DTC DETECTION LOGIC
NOTE:
• If DTC P2120 is displayed with DTC P0641, first perform trouble diagnosis for DTC P0641. Refer to
.
• Conditions for applying the diagnostic procedure to the stored DTCs:
- The DTC is declared present after a series of full load-no load accelerator pedal actions have been carried
out (engine stopped, ignition on).
• If the DTC is present:
- Malfunction indicator (Red) lights up.
Diagnosis Procedure
INFOID:0000000001162669
1.
CHECK GROUND CONNECTIONS
1.
Turn ignition switch OFF.
2.
Check ground connection E15. Refer to Ground inspection in
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace ground connection.
2.
CHECK ACCELERATOR PEDAL POSITION SENSOR POWER SUPPLY CIRCUIT
1.
Disconnect accelerator pedal position sensor harness connector.
2.
Turn ignition switch ON.
3.
Check the voltage between accelerator pedal position sensor connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> GO TO 3.
3.
DETECT MALFUNCTIONING PART
PBIB1741E
DTC No.
Trouble diagnosis name
Possible cause
P2120
ACCELERATOR PEDAL POSITION SENSOR 2 CIRCUIT
• CC.1: Short circuit to +12V
• CO.0: Open circuit or short circuit to ground
• Harness or connectors
(APP sensor 2 circuit is open or shorted.)
• Accelerator pedal position sensor
(APP sensor 2)
Accelerator pedal position sensor
Ground
Voltage
Sensor
Connector
Terminal
2
E12 (LHD models)
M204 (RHD models)
5
Ground
Approx. 5V
EC-1192
< COMPONENT DIAGNOSIS >
[K9K]
P2120 APP SENSOR
• Harness connectors E7, M69 (RHD models)
• Harness connectors M25, M201 (RHD models)
• Harness for open or short between ECM and accelerator pedal position sensor
>> Repair open circuit or short to ground or short to power in harness or connector.
4.
CHECK ACCELERATOR PEDAL POSITION SENSOR GROUND CIRCUIT FOR OPEN AND SHORT
1.
Turn ignition switch OFF.
2.
Disconnect accelerator pedal position sensor.
3.
Check the continuity between accelerator pedal position 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
>> GO TO 5.
5.
DETECT MALFUNCTIONING PART
• Harness connectors E7, M69 (RHD models)
• Harness connectors M25, M201 (RHD models)
• Harness for open or short between ECM and accelerator pedal position sensor
>> Repair open circuit or short to ground or short to power in harness or connector.
6.
CHECK ACCELERATOR PEDAL POSITION SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1.
Check the continuity between accelerator pedal position 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 8.
NO
>> GO TO 7.
7.
DETECT MALFUNCTIONING PART
• Harness connectors E7, M69 (RHD models)
• Harness connectors M25, M201 (RHD models)
• Harness for open or short between ECM and accelerator pedal position sensor
>> Repair open circuit or short to ground or short to power in harness or connector.
8.
CHECK ACCELERATOR PEDAL POSITION SENSOR
EC-1193, "Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 9.
NO
>> Replace accelerator pedal position sensor.
9.
CHECK INTERMITTENT INCIDENT
Accelerator pedal position sensor
ECM
Continuity
Sensor
Connector
Terminal
Connector
Terminal
2
E12 (LHD models)
M204 (RHD models)
1
E16
120
Existed
Accelerator pedal position sensor
ECM
Continuity
Sensor
Connector
Terminal
Connector
Terminal
2
E12 (LHD models)
M204 (RHD models)
6
E16
119
Existed
P2120 APP SENSOR
EC-1193
< COMPONENT DIAGNOSIS >
[K9K]
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GI-55, "Intermittent Incident"
.
>> INSPECTION END
Component Inspection
INFOID:0000000001162670
1.
CHECK ACCELERATOR PEDAL POSITION SENSOR
1.
Turn ignition switch OFF.
2.
Disconnect accelerator pedal position sensor harness connector.
3.
Check resistance between accelerator pedal position sensor as follows.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace accelerator pedal position sensor.
Sensor
Terminals
Resistance
1
2 and 4
1.7
±
0.9 K
Ω
2
1 and 5
2.85
±
2.05 K
Ω
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