Diagnosis Procedure

1. Select "INTELLIGENT KEY" of "BCM" using CONSULT.
2. Select "HAZARD ANSWER BACK" in "WORK SUPPORT" mode.
3. Check the "HAZARD ANSWER BACK" setting in "WORK SUPPORT".

   Refer to CONSULT Function (BCM - INTELLIGENT KEY) .

Is the inspection result normal?

YES

GO TO 2.

NO

Set "Lock Only", "Unlock Only" or "Lock/Unlock" in "HAZARD ANSWER BACK".

1. Select "INTELLIGENT KEY" of "BCM" using CONSULT.
2. Select "HORN WITH KEYLESS LOCK in "WORK SUPPORT" mode.
3. Check the "HORN WITH KEYLESS LOCK" setting in "WORK SUPPORT".

   Refer to CONSULT Function (BCM - INTELLIGENT KEY) .

Is the inspection result normal?

YES

GO TO 3.

NO

Set "On" in "HORN WITH KEYLESS LOCK".

Check hazard function.

Refer to Component Function Check .

Is the inspection result normal?

YES

GO TO 4.

NO

Repair or replace the malfunctioning parts.

Check horn function.

Refer to Component Function Check .

Is the inspection result normal?

YES

GO TO 5.

NO

Repair or replace the malfunctioning parts.

• Replace BCM. Refer to Removal and Installation .
• Confirm the operation after replacement.

Is the result normal?

YES

INSPECTION END

NO

Check intermittent incident. Refer to Intermittent Incident .