Diagnosis Procedure

1. Turn ignition switch OFF.
2. 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.

1. Disconnect EVAP control system pressure sensor harness connector.
2. Check sensor harness connector for water.

   Water should not exist. 

Is the inspection result normal?

YES: GO TO 3.

NO: Repair or replace harness connector.

1. Turn ignition switch ON.
2. Check the voltage between EVAP control system pressure sensor harness connector and ground.
   TERMINALS VOLTAGE REFERENCE
   
   

   EVAP control system pressure sensor		Ground	Voltage
   Connector	Terminal
   B47	3	Ground	Approx. 5V

Is the inspection result normal?

YES: GO TO  10.

NO: GO TO 4.

1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check the continuity between EVAP control system pressure sensor harness connector and ECM harness connector.
   TERMINALS CONTINUITY REFERENCE
   
   

   EVAP control system pressure sensor		ECM		Continuity
   Connector	Terminal	Connector	Terminal
   B47	3	E16	91	Existed

Is the inspection result normal?

YES: GO TO  6.

NO: GO TO 5.

Check the following.

• Harness connectors B1, M11
• Harness connectors M77, E105
• Harness for open or short between EVAP control system pressure sensor and ECM

Repair open circuit or short to ground or short to power in harness or connectors.

Check harness for short to power and short to ground, between the following terminals.

Is the inspection result normal?

YES: GO TO 7.

NO: Repair short to ground or short to power in harness or connectors.

Check the following.

• Crankshaft position sensor (POS) (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 8.

NO: Replace malfunctioning component.

Refer to "COMPONENT INSPECTION ".

Is the inspection result normal?

YES: GO TO  10.

NO: GO TO 9.

1. Replace accelerator pedal assembly. Refer to "REMOVAL AND INSTALLATION ".
2. Go to "ACCELERATOR PEDAL RELEASED POSITION LEARNING : Special Repair Requirement ".

INSPECTION END

1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check the continuity between EVAP control system pressure sensor harness connector and ECM harness connector.
   TERMINALS CONTINUITY REFERENCE
   
   

   EVAP control system pressure sensor		ECM		Continuity
   Connector	Terminal	Connector	Terminal
   B47	1	E16	96	Existed

4. Also check harness for short to ground and short to power.

Is the inspection result normal?

YES: GO TO  12.

NO: GO TO 11.

Check the following.

• Harness connectors B1, M11
• Harness connectors M77, E105
• Harness for open or short between EVAP control system pressure sensor and ECM

Repair open circuit or short to ground or short to power in harness or connectors.

1. Check the continuity between EVAP control system pressure sensor harness connector and ECM harness connector.
   TERMINALS CONTINUITY REFERENCE
   
   

   EVAP control system pressure sensor		ECM		Continuity
   Connector	Terminal	Connector	Terminal
   B47	2	E16	86	Existed

2. Also check harness for short to ground and short to power.

Is the inspection result normal?

YES: GO TO  14.

NO: GO TO 13.

Check the following.

• Harness connectors B1, M11
• Harness connectors B10, E29
• Harness for open or short between EVAP control system pressure sensor and ECM

Repair open circuit or short to ground or short to power in harness or connectors.

Refer to "COMPONENT INSPECTION ".

Is the inspection result normal?

YES: GO TO 15.

NO: Replace EVAP control system pressure sensor.

Refer to "INTERMITTENT INCIDENT ".

INSPECTION END