9B – 12ILIGHTING SYSTEMS
DAEWOO V–121 BL4
Step NoYesValue(s)Action
13 Repair the open wire between the driver door–open
switch and terminal 4 of the chime module connec-
tor.
Is the repair complete?
System OK
14 Replace the driver door–open switch.
Is the repair complete?
System OK
15 Replace the chime module.
Is the repair complete?
System OK
HEADLAMPS
Low–Beam Headlamps Are Inoperative, High–Beam Headlamps
Are OK
Step Action Value(s) Yes No
1 Check fuses EF31 (left side headlamps) and EF26
(right side headlamps).
Is fuse EF31 or EF26 blown?
Go to Step 2 Go to Step 3
2
1. Check for a short circuit and repair if neces-
sary.
2. Replace the fuse.
Is the repair complete?
System OK
3 Check the voltage at fuses EF31 and EF26.
Are the voltages equal to the specified value?
11–14 v Go to Step 4 Go to Step 9
4
1. Disconnect both headlamp connectors.
2. Turn the headlamps ON.
3. Select the low beams.
Is the voltage at each headlamp connector terminal
5 equal to the specified value?
11–14 v Go to Step 6 Go to Step 5
5 Repair the open circuit between fuses EF31 or EF26
and the low beam headlamps.
Is the repair complete?
System OK
6
1. Disconnect the headlamp connectors.
2. Connect an ohmmeter between ground and
either headlamp connector terminal 6.
Is the resistance equal to the value specified?
0 W Go to Step 8 Go to Step 7
7 Repair the ground circuit.
Is the repair complete?
System OK
8 Replace the faulty headlamps.
Is the repair complete?
System OK
9
1. Disconnect the headlamp combination switch
connector C1.
2. Select the low beams.
3. Use an ohmmeter to check the continuity be-
tween terminals 6 and 5 of the headlamp com-
bination switch.
Does the ohmmeter indicate the value specified?
0 W Go to Step 10 Go to Step 11
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