Daewoo Nubira Owner's Manual page 165

Step
46
1. Turn the ignition OFF.
2. Disconnect the electrical connector at the fuel
pump.
3. Connect a test light between the fuel pump
connector terminal 3 and a known good
ground.
4. Turn the ignition ON.
5. With the ignition ON, the test light should illumi-
nate for the time specified.
Is the test light on?
47 Repair the open wire between the fuel pump connec-
tor terminal 2 and ground.
Is the repair complete?
48
1. Turn the ignition OFF.
2. Disconnect the fuel pump relay.
3. Connect a test light between the fuel pump
relay connector terminal 85 and ground.
4. Turn the ignition ON.
Is the test light on?
49
1. Turn the ignition OFF.
2. Connect a test light between the fuel pump
relay connector terminal 86 and terminal 85.
3. Turn the ignition ON.
4. With the ignition ON, the test light should light
for the time specified.
Is the test light on?
50
1. Turn the ignition OFF.
2. Connect a test light between the fuel pump
relay connector terminal 30 and ground.
Is the test light on?
51
1. Turn the ignition ON.
2. Measure the voltage at the fuse EF19 connec-
tion.
Is the voltage within the specified value?
52 Replace the fuel pump relay.
Is the repair complete?
53 Measure the voltage at the fuse EF19 again.
Is the voltage within the specified value?
54 Replace the engine fuse block.
Is the repair complete?
55
1. Disconnect the fuel cutoff switch connector.
2. Measure the voltage at terminal 1 of the fuel
cutoff switch connector.
Is the voltage within the specified value?
56 Repair the open or short between the fuel cutoff
switch and fuse EF19.
Is the repair complete?
57
1. Reconnect the fuel cutoff switch.
2. Measure the voltage at terminal 3 of the fuel
cutoff switch connector.
Is the voltage within the specified value?
DAEWOO V–121 BL4
Action
ENGINE CONTROLS 1F – 41
Value(s) Yes
2 sec Go toStep 47
Go toStep 2
Go toStep 49
2 sec Go toStep 50
Go toStep 51
11–14 v Go toStep 53
Go toStep 2
11–14 v Go toStep 55
Go toStep 2
11–14 v Go toStep 57
Go toStep 2
11–14 v Go toStep 58
No
Go toStep 48
Go toStep 60
Go toStep 52
Go toStep 63
Go toStep 52
Go toStep 54
Go toStep 56
Go toStep 59