| Components |

| 1. Gasket 2. Water pump |
3. Water pump pulley |
Removal and Installation 1. Disconnect the battery negative terminal. 2. Loosen the drain plug, and drain the engine coolant.
Removal 1. Drain the coolant. (Refer to Cooling System - "Coolant") 2. Remove the drive belt.
Description The photo sensor is located at the center of the defrost nozzles. The photo sensor contains a photovoltaic (sensitive to sunlight) diode. The solar radiation received by its light receiving portion, generates an electromotive force in proportion to the amount of radiation received which is transferred to th