Diagnosis Procedure

1. Turn ignition switch ON.
2. Connect CONSULT and check for existing "ENGINE" diagnostic trouble codes.

Is P245D-00 DTC current?

YES

GO TO 2 .

NO

Refer to Intermittent Incident .

1. Turn ignition switch OFF.
2. Disconnect the EGR bypass valve actuator connector.
3. Inspect connector for the following:
   • Loose connector.
   • Corroded pins.
   • Bent or broken pins.
   • Pushed back or expanded pins.
   • Moisture in or on the connector.
   • Missing or damaged connector seals.
   • Dirt or debris on or in the connector pins.
   • Connector shell broken.
   • Wire insulation damage.
   • Damaged connector locking tab.

Is the inspection result normal?

YES

GO TO 3 .

NO

• Repair or replace error-detected parts.
• GO TO 5 .

1. Disconnect the ECM.
2. Check the voltage between EGR bypass motor return circuit and ground at the EGR bypass valve connector.

   EGR bypass valve		Terminal (-)	Voltage (V) (Approx.)
   Connector	Terminal (+)
   F145	5	Ground	0

Is the inspection result normal?

YES

• A damaged EGR bypass valve has been detected. Replace the EGR bypass valve.
• GO TO 5 .

NO

• Repair or replace harness for a short to a voltage source.
• GO TO 5 .

1. Connect all harness connectors.
2. Turn ignition switch ON.
3. Using CONSULT check for current "ENGINE" diagnostic trouble codes.

Is P245D-00 DTC current?

YES

• Replace the ECM. Refer to Removal and Installation .
• GO TO 5 .

NO

• The removal and installation of the connector corrected the issue.
• GO TO 5 .

1. Turn ignition switch OFF.
2. Connect all harness connectors.
3. Turn ignition switch ON.
4. Using CONSULT, erase "ENGINE" diagnostic trouble codes.
5. Operate the engine within the "Conditions for Clearing DTC".
6. Using CONSULT check for current "ENGINE" diagnostic trouble codes.

Is P245D-00 DTC current?

YES

Return to Diagnosis Procedure. Refer to DTC Description .

NO

Repair complete.