A/F Heater Relay (Avalon, Camry 3.0L V6 Calif. Emission Vehicles, Camry Solara 3.0L V6 Calif. Emission Vehicles & Sienna Calif. Emission Vehicles)
A/F heater relay may also be referred to as A/F relay or A/F HTR relay. Constant battery voltage is supplied from battery, through A/F heater fuse to one side of A/F heater relay. A/F heater relay is energized by MREL terminal of Engine Control Module (ECM). When A/F heater relay is energized, A/F heater relay provides battery voltage to +B terminal at A/F sensor. For A/F heater relay location, see A/F HEATER RELAY LOCATION table.
A/F HEATER RELAY LOCATION
| Application | Location | ||
|---|---|---|---|
| Avalon | In Fuse/Relay Box At Driver's Side Front Corner Of Engine Compartment, Near Battery | ||
| Camry & Camry Solara | In Small Fuse/Relay Box At Driver's Side Front Corner Of Engine Compartment, In Front Of Battery | ||
| Sienna | (1) | ||
|
|||