Inspection Procedure 11: Parking brake reminder buzzer does not sound.
Inspection Procedure 12: Brake warning lamp does not illuminate.


caution Before replacing the combination meter, be sure to check that the power supply circuit, earth circuit, and communication circuit are normal.

COMMENTS ON TROUBLE SYMPTOM


If the parking reminder buzzer does not sound or the brake warning lamp does not come on at a speed above 8 km/h with the parking brake switch ON, the parking brake switch input circuit, the vehicle speed signal circuit, the combination meter, the wiring harness or its connector may be defective.

PROBABLE CAUSES



DIAGNOSIS PROCEDURE


TEP 1. Check the speedometer.


Check that the speedometer in the combination meter operates normally.

Q. Is the check result normal?

Go to Step 2.

Troubleshoot the combination meter. Refer to .

STEP 2. Check the parking brake switch.


Refer to GROUP 36 - On-vehicle Service, Parking Brake Switch Check .

Q. Is the check result normal?

Go to Step 3.

Replace the parking brake switch.

STEP 3. Check of short to power supply circuit (connect) in BRK line between combination meter connector and parking brake switch connector.


Q. Is the check result normal?

Go to Step 4.

Repair the connector(s) or wiring harness.

STEP 4. M.U.T.-III Special Function


Using M.U.T.-III, select "Test" from the special function of the combination meter. Execute the following item to check the liquid crystal display.

Q. Is the check result normal?

Go to Step 5.

Replace the combination meter.

STEP 5. Retest the system.


The parking brake reminder buzzer function should work normally.

Q. Is the check result normal?

The trouble can be an intermittent malfunction (Refer to GROUP 00 - How to use Troubleshooting/inspection Service Points - How to Cope with Intermittent Malfunction ).

Replace the combination meter.