01-70
      
Explanation of 3-digit value in display fields 1 
and 2  
     
When display = 1  
1  
2  
3  
  
      1   Oxygen Sensor (O2S) control active  
   1      Heated Oxygen Sensor (HO2S) 
operational  
1         Oxygen Sensor (O2S) heater ON  
     
Note:  
     O2S control for bank 1 Oxygen Sensor (O2S) 
after Three Way Catalytic Converter (TWC), B1-
S2), is not active at idle. 
Pa
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