Page 508 - Workshop Manual - Tunland (2017)

04-370 DIAGNOSTICS - LIGHTING SYSTEM

DEFECT PHENOMENON FORM

When checking DTC in the checking module, if certain DTC displayed, then the circuit of the
code listed in the following list should be checked.The detailed description of each DTC can
refer to corresponding pages.
Check the table below to find the cause of the problem. The numbers rank the possibility of
04
the causes. Check each part in this order and replace the part if necessary.
1 . Headlights

Diagnostic items (DTC
DTC code Trouble location
definition)
• Fuse
Open circuit of driving light • Relay
B1346
control circuit • Body Controller
• Harness

• Relay
High current of driving light
B1347 • Body Controller
control
• Harness
• Fuse

Open circuit of passing • Relay
B1344
lamp control circuit • Body Controller
• Harness

• Relay
High current of passing
B1345 • Body Controller
lamp control circuit
• Harness

2 . Fog lamp

Diagnostic items (DTC
DTC code Trouble location
definition)

• Fuse
• Relay
Open circuit of front fog
B1045 • Combination switch
lamp control circuit
• Body Controller
• Harness

• Relay
High current of front fog
B1046 • Body Controller
lamp control circuit
• Harness
• Fuse
Open circuit of rear fog
B1048 • Body Controller
lamp control circui
• Harness

Low current of rear fog • Fuse
B1049
lamp control circuit • Body Controller