TIAGO

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HVAC

27

10.1.6 TROUBLESHOOTING

NOTE

: For Electrical troubles shooting using blink codes refer section Blink Code Diagnostics.

A.C .CHECK POINT

. CHECK POINTS

NORMAL CONDITION

RESULTS

A

PASSENGER CABIN

Fresh / recirculation lever position.

Should be in recirculation

mode.

Will stop entry of hot air

from outside.

Air direction lever position.

Should be in face mode.

Will ensure proper cool-

ing

Temperature control lever position.

Should be in maximum

cool position

Will ensure that heater is

not working with A.C

ON.

Grill direction

Centre grill towards rear

seats.

Will ensure proper distri-

bution of air in the

vehicle.

Side grill towards passen-

ger & driver seat

B

ENGINE ROOM

Condenser surface

Should be clean and dust

/ dirt free.

Will ensure total liquidifi-

cation of refrigerant.

Engine coolant level

Should be on maximum

level

Will prevent engine from

over heating.

Engine tuning

Should be as per specifi-

cations.

Will prevent engine room

over heating and in-

crease

in

fuel

consumption.

Belt tension

Belt should not be too

loose or too tight.

Loose belt will slip and

affect AC performance