LT
LT
LT
LT
Lighting
Lighting
Lighting
Lighting System
System
System
System
- 68 -
Diagnosis
Diagnosis
Diagnosis
Diagnosis and
and
and
and Testing
Testing
Testing
Testing
Fault
Fault
Fault
Fault diagnosis
diagnosis
diagnosis
diagnosis
7. Only high beam failed
Step Operation
Yes
No
1
Check if the high beam signaling device operates normally (only for high
beam)?
Go to Step 2. Go to Step 3.
2
Check lamps and harness connectors and ensure they are normal when the
high beam position is selected.
Go to Step 3.
3
Disconnect the connector between instrument panel and front body harness. Is
the voltage normal?
Go to Step 4. Go to Step 5.
4
Check the front body harness from connector to high beam as per circuit
diagram. Is it intact?
Go to Step 5.
5
Check the instrument panel harness from fuse to connector as per circuit
diagram.
6 Is the fuse intact? Go to Step 7. Go to Step 9.
7 Measure the fuse voltage. Is it normal? Go to Step 8. Go to Step 11.
8 Check the instrument panel harness from fuse to connector. Go to Step 10.
９
Replace the fuse. Does it still fail after replacement?
Go to Step 8. Go to Step 7.
10 Check connector and front body harness. Go to Step 2.
11
Check high/low beam switch and the instrument panel harness from switch to
fuse.
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