Diagnosis Procedure
- CHECK GROUND CONNECTION
- Turn ignition switch OFF.
- Check ground connection E21. Refer to Ground Inspection in "CIRCUIT 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.TERMINALS VOLTAGE REFERENCE
APP sensor Ground Voltage Connector Terminal E110 4 Ground Approx. 5V
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
- Turn ignition switch ON.
- Check the voltage between APP sensor harness connector and ground.TERMINALS VOLTAGE REFERENCE
APP sensor Ground Voltage Connector Terminal E110 5 Ground Approx. 5V
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.TERMINALS CONTINUITY REFERENCE
APP sensor ECM Continuity Connector Terminal Connector Terminal E110 5 E16 87 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 APP SENSOR 2 POWER SUPPLY CIRCUIT-III
Check harness for short to power and short to ground, between the following terminals.
TERMINALS REFERENCEECM Sensor Connector Terminal Name Connector Terminal F8 72 Tumble control valve position sensor F41 1 Refrigerant pressure sensor E49 3 76 CKP sensor (POS) F20 1 E16 87 APP sensor E110 5 91 EVAP control system pressure sensor B47 3 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 (POS) (Refer to "COMPONENT INSPECTION ".)
- EVAP control system pressure sensor (Refer to "COMPONENT INSPECTION ".)
- Refrigerant pressure sensor (Refer to "DIAGNOSIS PROCEDURE ".)
- Tumble control valve position sensor (Refer to "DIAGNOSIS PROCEDURE ".)
Is the inspection result normal?
YES: GO TO 11.
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.TERMINALS CONTINUITY REFERENCE
APP sensor ECM Continuity Connector Terminal Connector Terminal E110 2 E16 84 Existed 1 100 - 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.TERMINALS CONTINUITY REFERENCE
APP sensor ECM Continuity Connector Terminal Connector Terminal E110 6 E16 82 Existed 3 81 - 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 "REMOVAL AND INSTALLATION ".
- Go to "SPECIAL REPAIR REQUIREMENT ".
INSPECTION END
- CHECK INTERMITTENT INCIDENT
Refer to "INTERMITTENT INCIDENT ".
INSPECTION END