WARNING:
Handling a side air bag improperly can accidentally operate (deploy) the air bag, which may seriously injure you. Read the service warnings/cautions in the Workshop Manual before handling the front seat (side air bag integrated)..
1. Switch the ignition off (LOCK).
2. Disconnect the negative battery cable and wait for 1 min
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3. Disconnect the connector.

4. Using a flathead screwdriver, disconnect the seat warmer control unit in the direction of the arrow (2) while releasing tab in the direction of the arrow (1) shown in the figure.
5. Install in the reverse order of removal.
Seat Warmer Control Unit Inspection
Seat Warmer Switch Removal/InstallationFuel Pump Relay
Purpose, Function
Controls the fuel pump on/off according to control signals from the PCM.
The fuel pump is operated only at engine start or when the engine is running
to improve safety.
Construction
The fuel pump relay is installed in the relay and fuse block.
...
Airflow Mode Control [Full Auto Air Conditioner]
Purpose
The airflow mode control changes the airflow mode according to the vehicle
environment.
Function
The airflow mode control drives the airflow mode actuator according to the
mode switch, defroster switch, and the vehicle environment and switches the
position of the ...
Fuel Injector Relay
Purpose, Function
Supplies power to the PCM for the fuel injector and spill valve control solenoid
valve operation.
Construction
The fuel injector relay is installed in the relay and fuse block.
Operation
When the ignition is switched ON, the battery voltage ...