Workshop Manuals Factory service & repair Alfa Romeo
01 General information02 Specifications03 Manufacturing data and tolerances04 Tightening torques05 Fluids and lubricants06 Maintenance07 Diagnostic checks08 Engine09 Clutch10 Gearbox and differential11 Axles and driveshafts12 Brakes13 Steering14 Suspension and wheels15 Heating, air conditioning and auxiliary units16 Electrical equipment17 Body fittings18 Body panels and frame19 Wiring diagrams and electrical functions20 Wiring harnesses21 Connectors and pin-outs22 Fault diagnosis23 Special tools
Alfa Romeo GT Factory Service Manual (2003-2010)22 · Fault diagnosis
22 · Diagnostics

Passenger side temperature adjustment does not work

Make
Alfa Romeo
Model
GT Factory Service Manual
Year
2003–2010
Section
Climate control › Passenger side temperature adjustment does not work
Fault diagnosisPassenger side temperature adjustment does not work

PASSENGER SIDE TEMPERATURE ADJUSTMENT DOES NOT WORK

Results of the tests
1PASSENGER SIDE MIXING MOTOR ELECTRICAL CIRCUIT CHECKAll OKProblems metOperation

Check:

  • The operation of the mixing motor;
  • The connection between the climate control system control unit and the mixing motor
Continue to Step 2Mixing motor defective

Replace the motor Op.

Op. 5040D86 AIR CONDITIONER RIGHT HAND AIR MIXER FLAP CONTROL MOTOR - R R

Incorrect connection between motor and control unit

Restore the correct connection See

See E6020 AIR CONDITIONING

Climate control unit defective

Replace the climate control unit Op.

Op. 5040D15 CONTROL UNIT WITH AUTOMATIC DUEL ZONE AIR CONDITIONER KNOBS AND BUTTONS R R

Mixture flap defective

Replace the mixture motor flap Op.

Op. 5040C24 AIR CONDITIONER BOX - DISMANTLE AND REBUILD AT BENCH

2CHECK ON CORRECT OPERATIONAll OKProblems metOperation
Check that the fault is no longer presentEnd of diagnosis

Parts & tools for this job For 2003 Alfa Romeo GT

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