SYSTEM DIAGRAM 1. CLIMATE CONTROL FUNCTION 
2. SEAT HEATER FUNCTION  |
Toyota Tundra Service Manual > Sfi System: Oxygen (A/F) Sensor Heater Control Circuit Low (Bank 1 Sensor 1) (P0031,P0032,P0051,P0052,P101D,P103D)
DESCRIPTION Refer to DTC P2195 (See page ). HINT: Although the DTC titles say oxygen sensor, these DTCs relate to the Air-Fuel Ratio (A/F) sensor. Sensor 1 refers to the sensor mounted in front of the Three-Way Catalytic Converter (TWC) and located near the engine assembly. When one of these DTCs is ...
