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Meriva 2004 1.6 - P1482 Relay 2 Fan Error, AC Affects 1st & 3rd Gears Only, Replaced Relays

proxi777 11418 7
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  • #1 16484024
    proxi777
    Level 12  
    hello, patient, this is meriva 1.6 from 2004
    error pops up p1482 relay 2 fan.
    the problem is that the fan does not turn on in the second gear (there are 3 transmitters and 3 gears)
    I can control all 3 gears from the computer, but when I turn on the air conditioning and enter the value, the 1st and 3rd gear turns on and the 2nd does not

    all fuses checked, any ideas? of course, I changed the relays and it did nothing, the error still shines
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  • #2 16484097
    Faza952
    Level 11  
    The only output is to check the control circuit of the second fan relay, and are the relays just ON or do they have switching functions (four or five pin)?
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  • #3 16484106
    proxi777
    Level 12  
    5 pin
    as if the control is because the tester can control all 3 gears and everything is ok, in fact when I start the car and turn on the air conditioning or heat up, the 2nd gear does not turn on

    there is voltage on the relay from 1st gear on terminal 30, while on the relay from 2nd gear there is no voltage. There is voltage at terminal 85 of 2nd gear (relays are grounded)
    when I briefly give the voltage to terminal 30 of the 2nd gear relay, the 3rd gear is engaged
  • #4 16484244
    piotrekwoj1
    Level 42  
    Find where the power supply of the 2nd gear relay is losing.
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  • #5 16484259
    proxi777
    Level 12  
    This is a strange situation because when I give power to the 2nd gear relay, the 3rd gear turns on immediately (it gives power to the relay pin 30) and all gears turn on from the computer. Does anyone have a diagram of these precisions?
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  • #6 16484261
    Faza952
    Level 11  
    If five pins, the relays can also disconnect some circuit, get a diagram, I suspect that the relays work together
  • #8 17429449
    inżynier31
    Level 8  
    Faza952 wrote:
    The only output is to check the control circuit of the second fan relay, and are the relays just ON or do they have switching functions (four or five pin)?

    In my meriva I replaced the defective radiator fan resistor and I do not have fan speed I, "minus" on the relay is missing. The question where is the minus given to control the relay for speed I?
    Please, give me a hint.
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Topic summary

The discussion revolves around a 2004 Meriva 1.6 experiencing a P1482 error related to the second fan relay, which fails to activate in the second gear while the first and third gears function correctly when the air conditioning is turned on. The user has replaced the relays and checked all fuses but continues to encounter the error. Responses suggest checking the control circuit of the second fan relay, identifying where the power supply is lost, and obtaining a wiring diagram to understand the relay interactions better. The issue appears to be linked to the relay's power supply, as applying voltage to the second gear relay activates the third gear instead.
Summary generated by the language model.
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