Diagnosis Procedure

1.CHECK DTC WITH BCM, TCM AND COMBINATION METER

Check that DTC is not detected with BCM, TCM and combination meter.

Is the inspection result normal? YES >> GO TO 2.

NO-1 >> Refer to BCS-67, "DTC Index". (BCM) NO-2 >> Refer to TM-171, "DTC Index" (RE0F10B models) or TM-366, "DTC Index" (RE0F11A models).

(TCM)
NO-3 >> Refer to MWI-36, "DTC Index". (Combination meter)

2.CHECK COMBINATION METER BUZZER

Check combination meter buzzer.

Refer to WCS-40, "Component Function Check".

Is the inspection result normal? YES >> GO TO 3.

NO >> Repair or replace the malfunctioning parts.

3.CHECK INTELLIGENT KEY WARNING BUZZER

Check Intelligent Key warning buzzer.

Refer to DLK-92, "Component Function Check".

Is the inspection result normal? YES >> GO TO 4.

NO >> Repair or replace the malfunctioning parts.

4.CHECK DOOR SWITCH

Check front door switch (driver side).

Refer to DLK-87, "Component Function Check".

Is the inspection result normal? YES >> GO TO 5.

NO >> Repair or replace the malfunctioning parts.

5.CHECK INSIDE KEY ANTENNA

Check inside key antenna.

• Instrument center: Refer to DLK-55, "DTC Logic".

• Console: Refer to DLK-57, "DTC Logic".

• Luggage room: Refer to DLK-59, "DTC Logic".

Is the inspection result normal? YES >> GO TO 6.

NO >> Repair or replace the malfunctioning parts.

6.CHECK KEY WARNING LAMP

Check key warning lamp.

Refer to DLK-94, "Component Function Check".

Is the inspection result normal? YES >> GO TO 7.

NO >> Repair or replace the malfunctioning parts.

7.REPLACE BCM

1. Replace BCM. Refer to BCS-93, "Removal and Installation".

2. Confirm the operation after replacement.

Is the result normal? YES >> INSPECTION END

NO >> Check intermittent incident. Refer to GI-42, "Intermittent Incident".