Daewoo Nubira Owner's Manual page 170

1F – 46IENGINE CONTROLS
Step
12 Replace the PCM/ECM.
Is the repair complete?
13 Repair the short to voltage in the MIL control circuit.
Is the repair complete?
14 Check for an open or a poor connection in the MIL
control circuit and repair as necessary.
Is the repair necessary?
15 With a test light still connected to the ground, probe
the ignition feed terminal F16.
Does the test light illuminate?
16 Repair the open battery feed circuit.
Is the repair complete?
17 Check for an open ignition feed circuit or fuse to the
MIL and repair as necessary.
Is the repair necessary?
18 Check for a poor connection in the battery feed ter-
minal A4 or the ignition feed terminal F16 and repair
as necessary.
Is the repair necessary?
19 Repair the open in the ignition feed circuit from termi-
nal F16.
Is the repair complete?
20 Replace the instrument panel cluster. Refer to Sec-
tion 9E, Instrumentation/Driver Information.
Is the repair complete?
21 Check for a faulty PCM/ECM ground connection at
the engine block or PCM/ECM connector and repair
as necessary.
Is the repair necessary?
22
1. Allow the engine to idle until normal operating
temperature is reached.
2. Check if any Diagnostic Trouble Codes (DTCs)
are set.
Are any DTCs displayed that have not been diag-
nosed?
Action Value(s) Yes
Go to Step 22
Go to Step 22
Go to Step 22
Go to Step 18
Go to Step 22
Go to Step 22
Go to Step 22
Go to Step 22
Go to Step 22
Go to Step 22
Go to the appli-
cable DTC
table
No
Go to Step 17
Go to Step 19
Go to Step 20
Go to Step 21
Go to Step 12
System OK
DAEWOO V–121 BL4