ENGINE CONTROLS 1F–31
DAEWOO M-150 BL2
No Malfunction Indicator Lamp
Step Action Value(s) Yes No
1
Attempt to start the engine.
Does the engine start?
–
Go to Step 2
Go to “Engine
Cranks But
Will Not Run”
2
1. Turn the ignition OFF.
2. Disconnect the engine control module (ECM)
connector.
3. Turn the ignition ON.
4. Connect a test light between terminal 68 of ECM
connector and ground.
Is the test light on?
–
Go to Step 3 Go to Step 6
3
Check terminals for damage or poor connection.
Does any problem found?
–
Go to Step 5 Go to Step 4
4
Replace ECM
Is the repair complete?
–
Go to “On
Board
Diagnostic
System Check”
–
5
Repair any damaged terminals or poor connection.
Is the repair complete?
–
Go to “On
Board
Diagnostic
System Check”
–
6
Check the fuse F1.
Is the fuse blown?
–
Go to Step 7 Go to Step 8
7
1. Check for a short to ground in the circuit and
repair as needed.
2. Replace the blown fuse.
Is the repair complete?
–
Go to “On
Board
Diagnostic
System Check”
–
8
1. Check for an open circuit between fuse F16 and
terminal 68 of ECM connector and repair as
needed.
2. Check the MIL bulb and replace if blown.
Is the repair complete?
–
Go to “On
Board
Diagnostic
System Check”
–
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