| Component Location |

| 1. Engine room relay box |

| 2. ICU Junction block |
3. ICM relay box |
Repair procedures Inspection 1. Disconnect the negative (-) battery terminal. 2. Pull out the relay from the engine compartment relay box.
Description and operation 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 wh