Daewoo CIELO EURO III Manual page 318

1F – 149 ENGINE CONTROLS
DTC P0131 Oxygen Sensor (O2S 1) Low Voltage (Cont'd)
Step
1. Turn the ignition OFF.
2. Replace the engine control module (ECM).
6
Is the action complete?
1. If disconnected, reconnect the O2S 1 electrical
connector.
2. Using the scan tool, clear the DTCs.
3. Start the engine and idle at normal operating
temperature.
7
4. Operate the vehicle within the conditions for
setting this DTC as specified in the supporting
text.
Does the scan tool indicate that this diagnostic ran
and passed?
Check if any additional DTCs are set.
8 Are any DTCs displayed that have not been
diagnosed?
Action Value Yes
–
Go to Step 7
–
Go to Step 8
– Go to applicable
DTC table
No
–
Go to Step 2
System OK
DAEWOO T-154 BL2,3