NANO

648

ELECTRICAL

GENERAL SYMPTOMS AND DIAGNOSTICS

CONDITION

POSSIBLE CAUSES

CORRECTION/REFERENCE ITEM

1. HEAD LAMP

Single head lamp (RH or LH)

1) Grounding point loose

Tighten grounding properly

not working

2) Head Lamp connector

Fix connector properly

(3 pole) loose

3) Bulb Fused.

Replace bulb

Single head lamp (RH or LH)

1) High / Low beam filament in Replace bulb

not working in

the bulb blown

high/low beam

2) High/Low beam terminal

Insert the terminal into the connector

properly

(pink/blue wire) has come

out off the connector

Both lamps not working in

1) Head lamp high / low beam Fix the fuse in the base properly. If

high / low beam

fuse (20A) in fuse box

blown, check for short in the circuit

loose/blown

and then replace the fuse

2) Connectors at combi-switch Fix the connectors properly

loose/10 pole connector

from main W/H to cockpit

W/H loose

3) High / Low beam switch in Replace combi-switch

combi-switch faulty

High beam does not come

1) Connector loose at combi

Fix the connector properly

on when flash switch is activated

switch

2) Flash switch faulty

Replace combi-switch

2. FRONT PARKING LAMPS

Single parking lamp

1) Connector (2 pole) loose Fix the connector properly

not working

2) Bulb loose/fused

Fix the bulb properly. Replace

bulb if blown

3) Grounding point loose

Tighten the grounding properly

4) Parking lamp LH/RH fuse Fix the fuse in the base firmly. If blown,

(10A) in cabin fuse box

check for short in the circuit and then

loose/blown

replace the fuse

5) Battery supply not reaching Check the continuity from battery to

parking lamp LH/RH fuse the lamps through the combi-switch,

input

Front W/H and Floor W/H connectors

and rectify the discontinuity in the

circuit.

Both parking lamps not working 1) Combi-switch connectors Fix the connectors properly

loose/20 pole connector

from Front W/H to Cabin

W/H loose

2) Combi switch faulty

Replace combi-switch