LT
LT
LT
LT
Lighting
Lighting
Lighting
Lighting System
System
System
System
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67
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Diagnosis
Diagnosis
Diagnosis
Diagnosis and
and
and
and Testing
Testing
Testing
Testing
Fault
Fault
Fault
Fault diagnosis
diagnosis
diagnosis
diagnosis
6. Both high and low beams failed
Step Operation
Yes
No
1
Set the switch to position and the high/low beam switch to high beam
position. Is the fuse intact?
Go to Step 2. Go to Step 3.
2 Measure the fuse voltage. Is the voltage normal? Go to Step 7. Go to Step 4.
3 Please replace the damaged fuse. Does it still fail after replacement? Go to Step 7. Go to Step 2.
4 Check the high/low beam switch. Is it normal? Go to Step 5.
5 Check switches. Are they normal? Go to Step 6.
6 Check wiring harness of instrument panel as per circuit diagram. Go to Step 8.
7 Check the high beam signaling device. Does it operate normally? Go to Step 9.
8 Check high/low beam and wiring harness connector. Are there intact? Go to Step 9. -
９
Check lamp connector pin. Is wire well-grounded?
Go to Step 10.
10 Disconnect the connector between high/low beam and front body harness. Is the
pin voltage normal?
Go to Step 11. Go to Step 12.
11 Check connector for good contact and check the front body harness from
connector to lamp as per circuit diagram.
12 Check connector for good contact and check the instrument panel harness from
fuse to connector as per circuit diagram.
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