Daewoo Nubira User Manual page 338

9B – 28ILIGHTING SYSTEMS
INTERIOR COURTESY AND LUGGAGE COMPARTMENT
CAUTION : Always make sure there is an electrical
load (lamp bulb, etc.) in any circuit between battery
terminals. Do not make a short circuit between bat-
tery terminals with a jumper wire. Hazardous spark-
ing would result.
Test Description
The number(s) below refer to step(s) on the diagnostic
Step
1
1. Remove the interior courtesy lamp bulb and
inspect the filament.
2. If the filament is not broken, test the bulb using
the vehicle's battery and a jumper wire.
Does the bulb pass the visual and physical checks?
2 Replace the bulb.
Is the repair complete?
3
1. Reinstall the interior courtesy lamp bulb.
2. Check fuse EF29.
Is fuse EF29 blown?
4
1. Check for a short circuit and repair if neces-
sary.
2. Replace the fuse.
Is the repair complete?
5 Check fuse EF29.
Is the voltage equal to the specified value?
6 Repair the open circuit between the battery and fuse
EF29.
Is the repair complete?
7
1. Disconnect the interior courtesy lamp electrical
connector.
2. Check the voltage at the ORN wire.
Is the voltage equal to the specified value?
8 Repair the open circuit between fuse EF29 and the
interior courtesy lamp.
Is the repair complete?
9 Use an ohmmeter to check the resistance between
ground and the BLK wire of the interior courtesy
lamp connector (harness side).
Is the resistance equal to the specified value?
10 Replace the interior courtesy lamp switch assembly.
Is the repair complete?
11 Repair the ground circuit for the interior courtesy
lamp.
Is the repair complete?
LAMPS
Interior Courtesy Lamp Inoperative
Action
table.
1. Bulb test. Clip one end of a jumper wire to the neg-
ative battery terminal. Clip the other end of the
jumper wire to the end of the bulb. Take the free
end of the bulb (the end without the jumper at-
tached) and touch it to the positive battery terminal.
Value(s)
Go to Step 3
System OK
Go to Step 4
System OK
11–14 v Go to Step 7
System OK
11–14 v Go to Step 8
System OK
0 Ω
Go to Step 10
System OK
System OK
Yes No
Go to Step 2
Go to Step 5
Go to Step 6
Go to Step 9
Go to Step 11
DAEWOO V–121 BL4