Diagnostic Trouble Code (DTC) Information

ECM-2210 REAR HEATED OXYGEN SENSOR (HO2S), HEATING
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION




Condition
The heated oxygen sensor (HO2S) heating circuit is checked for a short-circuit to Supply voltage, a short-circuit to ground, an open-circuit or faulty resistance in the heating resistor after the ignition is switched on if battery voltage is 11 - 16 V. Diagnostic trouble code (DTC) ECM-2210 is stored if the control module registers any of these.

Condition
Rear heated oxygen sensor (HO2S) heating is blocked.

Possible source

Signal too low
- open-circuit in the signal cable
- short-circuit to ground in the signal cable
- resistance too high in the heating resistor.

Signal too high
- short-circuit to supply voltage in the signal cable
- defective heated oxygen sensor (HO2S).

Faulty signal
- defective heated oxygen sensor (HO2S).

Condition
None.