Toyota 81980-16010 Flasher Assy, Turn Signal

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The turn signal/hazard is a small canister shape unit situated in a position, behind the left kick panel, that flashes the turn signals. Normally it emits a clicking sound when it is in operation as it is designed to do. If the turn signals only go off on one side, and the flasher does not click, it means that the bulb for turn signals is bad. If the both turn signals do not blink there may be a problem with the turn signal fuse, the flasher unit, the switch, or a poor connection. A simple look into the fuse box will either show one that turn signal has been fused out, and it is better to look into the wiring and check for a short before replacing the fuse. To remove the flasher, the unit usually has to be pulled out of the fuse block or wiring harness and then the new flasher has to be inserted in the same manner, being sure to use a flasher that is the same as the old one by comparing them before installation .

This component is known as the turn signal/hazard flasher and comes usually in the form of a small cylindrical container which can be fixed either under the dashboard or in Relay Block No.5 and serves to flash the turn signals. It is normally designed to make a clicking sound when it is working as it should during use. If the turn signals fail on one side though the flasher unit does not make the characteristic clicking sound, a faulty turn signal bulb could be the problem. If both turn signals do not blink, the potential cause may be a blower fuse, flasher, switch, and or a disconnected/ loose connection. One simple inspection that can be made is the inspection of the fuse box where a blown fuse for the turn signal can be observed; it is recommended that an inspection is made on the wiring for short circuit before replacing the fuse. To replace the flasher, it is a matter of removing it from the fuse block or electrical wiring harness; the replacement component should be similar to the defected unit hence it can be replaced by comparing the new and the old flasher before use. Cleaning too is done systematically and installation is done the reverse manner to that of removals.

If a faulty relay is suspected, it can be removed and tested by a dealer or other qualified shop.

When the flasher unit is functioning properly, an audible click can be heard during its operation.

Various relays are mounted in the engine compartment and several locations throughout the vehicle.

The headlight dimmer switch is located inside the steering column assembly, next to the turn signal/hazard flasher switch. The electrical connector must be unscrewed and unplugged for checking.

To check it, remove the relay and connect the positive lead from the battery to terminal 3. Connect the negative lead to terminal 2. Connect a 55W bulb between terminals 1 and 2 and verify that the bulb flashes on and off.

The various relays are grouped together in several locations under the dash and in various locations around the chassis for convenience in the event of needed replacement.