Diagnosis Procedure
- CHECK GROUND CONNECTION
- Turn ignition switch OFF.
- Check ground connection E15. Refer to Ground Inspection in Inspection .
Is the inspection result normal?
YES
GO TO 2.
NO
Repair or replace ground connection.
- CHECK APP SENSOR 1 POWER SUPPLY CIRCUIT
- Disconnect accelerator pedal position (APP) sensor harness connector.
- Turn ignition switch ON.
- Check the voltage between APP sensor harness connector and ground.
APP sensor
Ground
Voltage
(Approx.)
Connector
Terminal
E12
4
Ground
5 V
Is the inspection result normal?
YES
GO TO 3.
NO
Repair open circuit or short to ground or shot to power in harness or connectors.
- CHECK APP SENSOR 2 POWER SUPPLY CIRCUIT-I
Check the voltage between APP sensor harness connector and ground.
APP sensor
Ground
Voltage
(Approx.)
Connector
Terminal
E12
5
Ground
5 V
Is the inspection result normal?
YES
GO TO 7.
NO
GO TO 4.
- CHECK APP SENSOR 2 POWER SUPPLY CIRCUIT-II
- Turn ignition switch OFF.
- Disconnect ECM harness connector.
- Check the continuity between APP sensor harness connector and ECM harness connector.
APP sensor
ECM
Continuity
Connector
Terminal
Connector
Terminal
E12
5
E19
152
Existed
Is the inspection result normal?
YES
GO TO 5.
NO
Repair open circuit or short to ground or shot to power in harness or connectors.
- CHECK SENSOR POWER SUPPLY CIRCUIT
Check harness for short to power and short to ground, between the following terminals.
ECM
Sensor
Connector
Terminal
Item
Connector
Terminal
F25
83
Crankshaft position sensor
F15
1
78
Refrigerant pressure sensor
E17
3
E19
152
APP sensor
E12
5
Is the inspection result normal?
YES
GO TO 6.
NO
Repair short to ground or short to power in harness or connectors.
- CHECK COMPONENTS
Check the following.
- Crankshaft position sensor (Refer to Component Inspection .)
- Refrigerant pressure sensor (Refer to Diagnosis Procedure .)
Is the inspection result normal?
YES
GO TO 9.
NO
Replace malfunctioning component.
- CHECK APP SENSOR GROUND CIRCUIT FOR OPEN AND SHORT
- Turn ignition switch OFF.
- Disconnect ECM harness connector.
- Check the continuity between APP sensor harness connector and ECM harness connector as follows.
APP sensor
ECM
Continuity
Connector
Terminal
Connector
Terminal
E12
1
E19
154
Existed
2
161
- Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
GO TO 8.
NO
Repair open circuit or short to ground or shot to power in harness or connectors.
- CHECK APP SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
- Check the continuity between APP sensor harness connector and ECM harness connector as follows.
APP sensor
ECM
Continuity
Connector
Terminal
Connector
Terminal
E12
3
E19
160
Existed
6
153
- Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
GO TO 9.
NO
Repair open circuit or short to ground or shot to power in harness or connectors.
- Check the continuity between APP sensor harness connector and ECM harness connector as follows.
- CHECK APP SENSOR
Refer to Component Inspection .
Is the inspection result normal?
YES
GO TO 11.
NO
GO TO 10.
- REPLACE ACCELERATOR PEDAL ASSEMBLY
Replace accelerator pedal assembly. Refer to Exploded View .
INSPECTION END
- CHECK INTERMITTENT INCIDENT
Refer to Inspection .
INSPECTION END