ENGINE CONTROLS 1F–29
DAEWOO M-150 BL2
Engine Cranks But Will Not Run (Cont’d)
Step Action Value(s) Yes No
42
1. Turn the ignition OFF.
2. Connect test light between fuel injector harness
connector 2 and battery positive.
3. Crank the engine.
4. Repeat step 2 and 3 for each of the remaining
fuel injectors.
Does the test light flash for all of the fuel injectors?
–
Go to Step 43 Go to Step 46
43
Measure the resistance of each fuel injectors.
Is the resistance within the value specified.
Note: the resistance will increase slightly at higher
temperature. 13.75–15.25
Ω
System OK Go to Step 44
44
Replace any of the fuel injectors with a resistance
out of specification.
Is the repair complete?
–
Go to Step 2
–
45
1. Inspect the fuse EF19 in engine fuse block.
2. Check for an open between the circuit from
terminal 2 of the three fuel injectors and terminal
87 of main relay.
Is the problem found?
–
Go to Step 48
Go to “Main
Relay Circuit
Check”
46
Measure the resistance between following terminals.
D Terminal 1 of injector 1 connector and terminal 30
of ECM connector.
D Terminal 1 of injector 2 connector and terminal 58
of ECM connector.
D Terminal 1 of injector 3 connector and terminal 89
of ECM connector.
Does the resistance within the specified value? 0 Ω Go to Step 49 Go to Step 47
47
Repair the open fuel injector harness wire(s).
Is the repair complete?
–
Go to Step 2
–
48
Replace the fuse or repair the wiring as needed.
Is the repair complete?
–
Go to Step 2
–
49
Replace the ECM.
Is the repair complete?
–
Go to Step 2
–
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