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
..
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/InstallationCrankshaft Position (CKP) Sensor Inspection
Visual Inspection
CAUTION:
When foreign material such as an iron chip is on the CKP sensor, it can cause
abnormal output from the sensor because of flux turbulence and adversely affect
the engine control. Be sure there is no foreign material on the CKP sensor when
replacing.
...
Airflow Mode Actuator Inspection [Full Auto Air Conditioner]
CAUTION:
If the lever position exceeds the operation range shown in the figure, the
circuit in the actuator could be damaged. Always perform an actuator operation
inspection with the lever movement within the range shown in the figure.
1. Connect battery positive voltage to airfl ...
Refrigerant System Service Cautions
Handling Insufficient Refrigerant Level
If an insufficient refrigerant level is detected at troubleshooting, do
not charge (add) the refrigerant. Because an accurate amount of refrigerant
cannot be determined from the pressure indicated on the manifold gauge, never
charge the refrige ...