Daewoo Nubira User Manual page 547

1F – 42IENGINE CONTROLS
Step
58 Repair the short or opening the circuit between the
fuel cutoff switch and the fuel pump.
Is the repair complete?
59 Replace the fuel cutoff switch.
Is the repair complete?
60 Check the wire between the fuel pump relay connec-
tor terminal 85 to the PCM/ECM connector terminal
E13 for an open.
Is the problem found?
61 Repair the wire between the fuel pump relay connec-
tor terminal 85 to the PCM/ECM connector terminal
E13.
Is the repair complete?
62 Repair the wire between the fuel pump relay connec-
tor terminal 30 and the battery.
Is the repair complete?
63
1. Turn the ignition OFF.
2. Disconnect the fuel injector harness connectors
from all of the fuel injectors.
3. Turn the ignition ON.
4. Connect a test light between the fuel injector
harness connector 1 and ground.
5. Repeat Step 4 for each of the remaining fuel
injectors.
Is the test light on at all of the fuel injectors?
64
1. Turn the ignition OFF.
2. Connect a test light between the fuel injector
harness connector terminal 2 and battery posi-
tive.
3. Crank the engine.
4. Repeat Steps 3 and 4 for each of the remain-
ing fuel injectors.
Does the test light flash for all of the fuel injectors?
65 Measure the resistance of each fuel injector.
Is the resistance within the value specified (the re-
sistance will increase slightly at higher tempera-
tures)?
66 Replace any of the fuel injectors with a resistance
out of specification.
Is the repair complete?
67 Repair the open wire(s) between the fuel injector
harness connector(s) terminal 1 and the battery.
Is the repair complete?
68
1. Check for an open between the fuel injector
harness connector terminal 2 and the PCM/
ECM connector terminal C4 for the fuel injec-
tors one and four.
2. Check for an open between the fuel injector
harness connector terminal 2 and the PCM/
ECM connector terminal C6 for the fuel injec-
tors two and three.
Is the problem found?
Action Value(s) Yes
Go toStep 2
Go toStep 2
Go toStep 61
Go toStep 2
Go toStep 2
Go toStep 64
Go toStep 65
11.6–12.4 W
System OK
Go toStep 2
Go toStep 2
Go toStep 69
No
Go toStep 33
Go toStep 67
Go toStep 68
Go toStep 66
Go toStep 71
DAEWOO V–121 BL4