Daewoo Nubira User Manual page 335

Step
1 Check fuses F3 and EF12.
Is either fuse blown?
2
1. Check for a short circuit and repair if neces-
sary.
2. Replace the fuse.
Is the repair complete?
3
1. Turn the ignition ON.
2. Check the voltage at fuse EF12 and F3.
Is the voltage equal to the specified value?
4
1. Turn the hazard switch ON.
2. Remove each of the inoperative lamps from its
socket.
3. Test each lamp socket positive terminal with a
voltmeter.
Is the voltage equal to the specified value?
5 At each bulb socket, use an ohmmeter to check the
ground circuit.
Is the resistance equal to the specified value?
6 Replace any faulty turn signal/hazard bulbs.
Is the repair complete?
7 Repair the power supply circuit to fuses.
Is the repair complete?
8 Repair the open ground wires.
Is the repair complete?
9
1. Turn the hazard lamps ON.
2. Test blinker unit connector terminal 49a with a
voltmeter.
Is the voltage equal to the specified value?
10
1. Turn the hazard lamps ON.
2. Test blinker unit connector terminal 49 with a
voltmeter.
Is the voltage equal to the specified value?
11
1. Disconnect the blinker unit from the connector.
2. Use an ohmmeter to check between ground
and the connector for terminal 31 of the blinker
connector.
Is the resistance equal to the specified value?
12 Repair the blinker unit ground circuit.
Is the repair complete?
13 Replace faulty blinker unit.
Is the repair complete?
14
1. Disconnect the hazard switch connector.
2. Check for voltage at terminal 8.
3. Turn the ignition ON.
4. Check for voltage at terminal 10.
Does the voltage available at both terminals equal
the specified value?
DAEWOO V–121 BL4
Turn Signal Lamps and Hazard Lamps Do Not Work
Action
LIGHTING SYSTEMS 9B – 25
Value(s) Yes
Go to Step 2
System OK
11–14 v Go to Step 4
11–14 v Go to Step 5
[ 0 W
Go to Step 6
System OK
System OK
System OK
11–14 v Go to Step 15
11–14 v Go to Step 11
[ 0 W
Go to Step 13
System OK
System OK
11–14 v Go to Step 16
No
Go to Step 3
Go to Step 7
Go to Step 9
Go to Step 8
Go to Step 10
Go to Step 14
Go to Step 12
Go to Step 15