Daewoo CIELO EURO III Manual page 331

DTC P1133 - Oxygen Sensor (O2S 1) Too Few Transitions (Cont'd)
Step
1. Turn the Ignition OFF.
2. Disconnect the ECM connectors and check
the O2S 1 sensor signal circuit, at terminal
M29 for continuity.
13
3. If the O2S 1 sensor signal circuit measures over
the specified value, repair the open or poor
connection as necessary.
Is an O2S 1 sensor signal circuit problem found and
corrected?
1. Turn the Ignition switch OFF.
14 2. Replace the ECM.
Is the repair complete?
1. Using the scan tool, clear the Diagnostic Trouble
Codes (DTCs).
2. Start the engine and idle at normal operating
temperature.
15 3. 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.
16 Are any DTCs displayed that have not been
diagnosed?
DAEWOO T-154 BL2,3
Action
ENGINE CONTROLS 1F – 162
Value Yes
5 : Go to Step 15
–
Go to Step 15
–
Go to Step 16
– Go to applicable
DTC table
No
Go to Step 14
–
Go to Step 2
System OK