Daewoo MATIZ Service Manual page 380

1F – 282 ENGINE CONTROLS
Step
1. Turn the ignition OFF.
9 2. Replace the ECM.
Is the repair complete?
10 Does the vehicle stall while driving?
Monitor the oxygen sensor and the injector base
pulse width with the scan tool.
Does the scan tool display a steady low voltage
11
(about 0 millivolts) for the oxygen sensor with the
control module commanding an injector base pulse
width of the value specified?
1. Check for an open diode across the A/C clutch
and for other open diodes.
12
2. Repair or replace any components as needed.
Is the repair complete?
Intermittent (Cont'd)
Action Value(s) Yes
–
System OK
– Go to Step 11
8 ms Go to Step 9
–
System OK
No
–
Go to Step 12
Go to Step 12
–
DAEWOO M-150 BL2