Daewoo MATIZ Service Manual page 151

Step
Perform an Euro On-Board Diagnostic (EOBD)
System Check.
1
Was the check performed?
With a test light connected to the ground, probe the
Data Link Connector (DLC) battery feed terminal 16.
2
Is the test light on?
Repair an open or short to ground in the DLC battery
feed circuit .
3
Is the repair complete?
With a test light connected to the battery, probe the
Data Link Connector (DLC) ground terminal 4 and 5.
4
Is the test light on?
Repair an open circuit .
5
Is the repair complete?
1. Turn the ignition OFF.
2. Connect a scan tool to the Data Link Connector
(DLC).
6
3. Turn the ignition ON.
Does the scan tool power up?
Check for damages in the terminal of DLC and scan
tool, and repair as needed.
7
Is the repair complete?
Using a scan tool, request engine data of Engine
Control Module (ECM).
8
Does the scan tool display any data?
Install the scan tool on another vehicle and check for
proper operation.
9
Does the scan tool work properly on a different
vehicle.
The scan tool is malfunctioning.
10 Refer to the scan tool's manual for repair.
Is the repair complete?
Repair communication circuit between ECM and
DLC.
11
Is the repair complete?
1. Using a scan tool, clear the Diagnostic Trouble
Codes(DTCs).
12
2. Attempt to start the engine.
Does the engine and continue to run?
1. Allow the engine to idle until normal operation
temperature reached.
2. Check if any DTCs are set?
13
Are any DTCs displayed that have not been
diagnosed?
DAEWOO M-150 BL2
Data Link Connector Diagnosis
Action
ENGINE CONTROLS 1F – 53
Value(s) Yes
–
Go to Step 2
–
Go to Step 4
–
Go to Step 4
–
Go to Step 6
–
Go to Step 6
–
Go to Step 8
–
Go to Step 8
–
Go to Step 12
–
Go to Step 11
–
Go to Step 12
–
Go to Step 12
–
Go to Step 13
–
Go to applicable
DTC table
No
Go to "Euro
On-Board
Diagnostic
System Check.
Go to Step 3
–
Go to Step 5
–
Go to Step 7
–
Go to Step 9
Go to Step 10
–
–
Go to Step 1
System OK