Condition for fault identification

Test condition:

The fault is recognized when the calibrated resistance of the heater for the oxygen sensor before the catalytic converter in the DME control module is outside the tolerance range.

Potential problem source(s):

• DME defective

Terminal condition: none

Voltage condition:

• Onboard electrical system voltage between 9 V and 16 V

Temperature condition:

• Engine warmed to normal temp, above 80 °C

Time condition:

• None

Other conditions:

• Engine ON