Mash Seventy - Oxygen Sensor Heater Circuit Malfunction

Chapter 4 EI system diagnosis Section 4 EI system troubleshooting
4—19
“P0031”, or “P0032”
OXYGEN SENSOR HEATER CIRCUIT MALFUNCTION
& “0131”, or “0132”
OXYGEN SENSOR CIRCUIT MALFUNCTION
● DETECTED CONDITION
POSSIBLE CAUSE
To read the flash code,with the EFI diagnostic instrument
● Oxygen sensor,Oxygen sensor heater circuit open or
short.
● Oxygen sensor,Oxygen sensor heater malfunction.
● ECU malfunction.
※ :
O
2
S