Daewoo Nubira User Manual page 330

9B – 20ILIGHTING SYSTEMS
Step
1 Check the headlamps.
Do the headlamps work?
2 Repair the headlamps.
After the headlamps have been repaired, are the
rear combination lamps still inoperative?
3
1. Turn the illumination lamps ON.
2. Use a voltmeter to check voltage at the bulb
socket positive terminal.
Is the voltage equal to the specified value?
4 Connect an ohmmeter between ground and the
lamp socket negative terminal.
Is the resistance equal to the specified value?
5 Repair the ground circuit for the lamps.
Is the repair complete?
6 Replace the faulty bulbs.
Is the repair complete?
7 Check fuses EF20 and EF21.
Is either of the fuses blown?
8
1. Check for a short circuit and repair if neces-
sary.
2. Replace the fuse.
Is the repair complete?
9
1. Temporarily substitute the headlamp relay in
place of the illumination relay.
2. Turn the illumination lamps ON.
Do the taillamps illuminate?
10
1. Return the headlamp relay to its original posi-
tion.
2. Replace the illumination relay.
Is the repair complete?
11
1. Remove the illumination relay.
2. Use a voltmeter to check the illumination relay
socket at connector terminal 87.
Is the voltage equal to the specified value?
12 Replace the engine fuse block.
Is the repair complete?
13 With the illumination relay removed, use a voltmeter
to check the illumination relay socket at connector
terminal 86.
Is the voltage equal to the specified value?
14 With the illumination relay removed, connect an
ohmmeter between ground and connector terminal
85.
the resistance equal to the specified value?
15
1. Reinstall the illumination relay.
2. Turn the illumination lamps ON.
3. Check the voltage at EF20 and EF21.
Is the voltage equal to the specified value?
Action Value(s) Yes
Go to Step 3
Go to Step 3
11–14 v Go to Step 4
0 W
Go to Step 6
System OK
System OK
Go to Step 8
System OK
Go to Step 10
System OK
11–14 v Go to Step 13
System OK
11–14 v Go to Step 14
[ 0 W
Go to Step 15
11–14 v Go to Step 16
No
Go to Step 2
System OK
Go to Step 7
Go to Step 5
Go to Step 9
Go to Step 11
Go to Step 12
Go to Step 12
Go to Step 17
Go to Step 12
DAEWOO V–121 BL4