Mazda CX-5 Service & Repair Manual: Turn And Hazard Indicator Alarm

Purpose

• The turn and hazard indicator alarm notifies the driver that a turn light or the hazard warning lights are flashing.

Function

• When the instrument cluster receives the turn signal/hazard warning indicator light illumination request signal sent from the front body control module (FBCM) via the CAN signal, the turn and hazard indicator alarm sounds simultaneously with illumination on/off of the direction/hazard warning indicator lights.

• The turn and hazard indicator alarm sound pattern is as follows:

Construction

• The turn and hazard indicator alarm sounds using the buzzer built into the instrument cluster.

Construction, Operation

1. The instrument cluster receives (1) the turn signal/hazard warning indicator light request signal from the front body control module (FBCM).

2. The instrument cluster microcomputer turns the transistor on (2) based on the turn signal/hazard warning indicator light request signal.

3. When the transistor turns on, a ground circuit with the alarm is established and the alarm sounds (3).

Fail-safe

• Function not equipped.