2022.3-0000010 OM WARNING: AIR CONDITIONER DOES NOT OPERATE (DOES NOT COOL DOWN) WHEN THE ENGINE IS OFF! 7.15.5.1 Air conditioner motor does not operate 2 ) Check in SU operability of fuse element FU7 (25 ) of power supply of air conditioner motor 2, in case of malfunction replace the motor. b) By means of indicating lamp test power supply availability on electric motor 2 when switch S1 is on and “ground” availability on electric motor 2. If power is not supplied replace the switch. 7.15.5.2 Air conditioner does not operate (no cooling effect) with the motor running Check compressor clutch (YC, 9.2) operation. When switch S1 is turned the compressor clutch should switch on in one of the positions (audible click). Otherwise by means of multimeter check operability of pressure sensors module 9.3. Measuring unit outputs (70 ) and (70 ) should be closed among themselves. If these outputs are not closed replace pressure sensors module 9.3.
7.15.6 Search and elimination of failures in operation of front and rear wiper, windscreen washer, acoustic alarm 7.15.6.1 Front wiper 4 does not work ) Check in SU operability of fuse element FU21 (15 ) of power supply of front wiper 4, replace fuse element if it is faulty. b) By means of indicating lamp test power supply availability on carrier socket of wiper (wire 65 red or 65 green depending on the wiper speed chosen by means of underwheel switch SA6). If power is not supplied replace the switch. If power is supplied replace the wiper. 7.15.6.2 Rear wiper 5 does not work: ) Check in SU operability of fuse element FU6 (7,5 ) of power supply of rear wiper 5 and rear windscreen washer 6, replace fuse element if it is faulty. b) By means of indicating lamp test power supply availability on wiper when switch SA2 is on and availability of “ground” on wiper. If power is not supplied replace the switch SA2. If power is supplied replace motor-reducer 5. 7.15.6.3 Windscreen washer 3 does not operate ) Check operability of corresponding fuse element (FU21 and FU6) in SU. Replace fuse element if it is faulty. b) By means of indicating lamp test power supply availability on electric motor of washer reservoir pump when windscreen washer switch is on and availability of “ground” on electric motor ( 3 or 6) of reservoir. If power is supplied replace windscreen washer electric motor. If power is not supplied replace the corresponding switch. 7.14.6.4 Acoustic alarms 1 and 2 do not work ) Check in SU operability of fuse element FU16 (15 ) of power supply of acoustic alarms, replace fuse element if it is faulty. b) By means of indicating lamp test power supply availability on coil terminals 10.2) “85” of horn relay 10 when switch SA11 is on. If power is not supplied replace switch. In case of relay actuation (relay audible click), replace acoustic alarms. 7.15.6.4 Acoustic alarms 1 and 2 do not work ) Check in SU operability of fuse element FU16 (15 ) of power supply of acoustic alarms, replace fuse element if it is faulty. b) By means of indicating lamp test power supply availability on coil terminals 10.2) “85” of horn relay 10 when switch SA11 is on. If power is not supplied replace switch. In case of relay actuation (relay audible click), replace acoustic alarms. 335
