Daewoo MATIZ Service Manual page 117

Step
1. Turn the ignition ON with the engine OFF.
2. Observe the Malfunction Indicator Lamp (MIL).
1
Is the MIL on?
1. Turn the ignition OFF.
2. Install the scan tool.
3. Turn the ignition ON.
2
4. Attempt to display the Engine Control Module
(ECM) engine data with the scan tool.
Does the scan tool display the ECM engine data?
1. Using the scan tool output test function, select the
MIL lamp control and command the MIL off.
3
2. Observe the MIL.
Does the MIL turn off?
Attempt to start the engine.
4
Does the engine start and continue to run?
Select DISPLAY DTC with the scan tool.
5
Are any Diagnostic Trouble Codes stored?
Check the display for DTCs P0107, P0108, P0113,
P0118, P0122, P0123, P0172, P1392.
6
Are two or more of the following DTCs stored?
Compare the ECM data values displayed on the
scan tool to the typical engine scan data values.
7
Are the displayed values normal or close to the
typical values?
1. Turn the ignition OFF and disconnect the ECM.
2. Turn the ignition ON with the engine OFF.
3. Check the serial data circuit for an open, short to
ground, or short to voltage. Also check the Data
8
Link Connector (DLC) ignition feed circuit for an
open or short to ground, and check the DLC
ground circuits for an open.
Is a problem found?
Repair the open, short to ground, or short to voltage
in the serial data circuit or the DLC ignition feed
9
circuit.
Is the repair complete?
1. Attempt to reprogram the ECM.
2. Attempt to display the ECM data with the scan
10
tool.
Does the scan tool display ECM engine data?
Replace the ECM.
11
Is the repair complete?
DAEWOO M-150 BL2
Euro On-Board Diagnostic (EOBD) System Check
Action
ENGINE CONTROLS 1F – 19
Value(s) Yes
–
Go to Step 2
–
Go to Step 3
–
Go to Step 4
–
Go to Step 5
–
Go to Step 6
Go to "Multiple
ECM
Information
–
Sensor DTCs
Set"
Go to "ECM
–
Output
Diagnosis"
–
Go to Step 9
–
System OK
–
Go to Step 2
–
System OK
No
Go to "No
Malfunction
Indicator
Lamp"
Go to Step 8
Go to
"Malfunction
Indicator Lamp
on Steady"
Go to "Engine
Cranks But
Will Not Run"
Go to Step 7
Go to
applicable DTC
table
Go to indicated
component
system check
Go to Step 10
–
Go to Step 11
–