Climate control too cold
- Make
- Fiat
- Model
- Multipla Factory Service Manual
- Year
- 1998–2010
- Section
- Climate control › Climate control too cold
Fault diagnosisClimate control too cold
CLIMATE CONTROL TOO COLD
The control unit operates the fan which sends air into the passenger compartment normally with the pre-set flows, but this air lowers the high temperature in the passenger compartment too much
| Results of the tests | ||||
| 1 | THREE STAGE PRESSURE SWITCH CHECK | All OK | Problems met | Operation |
|---|---|---|---|---|
| Check the three stage pressure switch See Test 5040BA Check operation of three-stage pressure switch | Continue to Step 2 | Pressure switch defective | Replace the pressure switch Op. 5040B14 | |
| Connections not correct | Restore the connections with the engine management control unit See E6021 COMPRESSOR ENGAGEMENT | |||
| 2 | SYSTEM PRESSURE CHECK | All OK | Problems met | Operation |
| Check the system pressure: See Test 5040B Check on operation of air conditioning system (pressures) | Continue to Step 3 | High pressure does not increase or low pressure decreases too much: insufficient fluid High pressure continues to increase: too much fluid | Recharge the system: Op. 5040A10 | |
| 3 | CHECK ON CORRECT OPERATION | All OK | Problems met | Operation |
| Check that the fault is no longer present | End of diagnosis | Fault persists | Search for the fault starting from another symptom' | |
Parts & tools for this job For 1998 Fiat Multipla
- TOOLA/C manifold gauge setSearch: AC manifold gauge set
- TOOLUV leak detection kitSearch: AC UV leak detection kit
- PARTCabin filterSearch: Fiat Multipla 1998 cabin filter
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