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ELECTRICAL
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1.7.3 GENERAL SYMPTOMS AND DIAGNOSTICS
1 HEAD LAMPS HIGH/LOW BEAM
CONDITION
POSSIBLE CAUSE
CORRECTION/REFERENCE ITEM
Single head lamp (RH or
LH) not working
1. Grounding point loose
Tighten grounding properly
2. Head Lamp 10 pole connector
loose
Fix connector properly
3. High/Low beam terminal
(Pink/Blue wire) has come off the
8 pin connector
Insert the terminal into the connector
properly
4. HL Low Beam 15A Fuse or HL
High Beam 15A Fuse in Engine
F/R Box blown
Replace the fuse
5. HL Low Beam Relay(20A) or
HL High Beam Relay(20A) in
Engine F/R Box loose
Fix the relay properly
6. High/Low beam filament in the
bulb blown
Replace bulb
Both lamps not working
1. Head lamp ON Relay (20A) in
engine F/R Box loose
Fix the relay properly
2. Connectors at combi-switch
loose
Fix the connectors properly
3. High / Low beam switch in
combi-switch faulty
Replace combi-switch
4. BCM connector loose.
Fix the connector properly.
High beam does not come
on when flash switch is
activated
1. Combi Switch connector loose Fix the connector properly
2. Flash switch faulty
Replace combi-switch
2 FRONT FOG LAMP (HIGH END) CONTROLLED BY BCM
CONDITION
POSSIBLE CAUSE
CORRECTION/REFERENCE ITEM
Single LAMP not working
1. Grounding point loose
Tighten grounding properly
2. Bulb fused
Replace bulb
3. No output from BCM
Refer BCM Diagnosis
Both lamps not working
1.Fog lamp fuse (10A) in cabin
F/R box blown
Check for short in the circuit and then
replace the fuse