Toyota Corolla (E170): Emergency flashers

The emergency flashers are used to warn other drivers when the vehicle has to be stopped in the road due to a breakdown, etc.

Press the switch.

All the turn signal lights will flash.

To turn them off, press the switch once again.

■Emergency flashers

■Emergency flashers

If the emergency flashers are used for a long time while the engine is not operating, the battery may discharge.

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    Inspection procedure
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    Circuit description
    The actuator motor is operated by signals from the cruise control ecu assy. Acceleration and deceleration signals are transmitted by changes in the duty ratio (see below). Duty ratio: the duty ratio is the ratio of the period of continuity in one cycle. For example, if a is the period of co ...

    How to proceed with troubleshooting
    1 Vehicle brought to workshop 2 Customer problem analysis 3 Problem symptom confirmation 4 Circuit inspection 5 Repair or replace 6 Confirmation test 7 End Customer problem analysis check ...