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Fiat Idea Factory Service Manual (2003-2012)22 · Fault diagnosis
22 · Diagnostics

(electrically operated) rear windows not working

Make
Fiat
Model
Idea Factory Service Manual
Year
2003–2012
Section
Window opening mechanism › (electrically operated) rear windows not working
Fault diagnosis(electrically operated) rear windows not working

(ELECTRICALLY OPERATED) REAR WINDOWS NOT WORKING

With the ignition key in the ON position, when the buttons on the doors are operated, the electric rear windows do not work at all.

Results of the tests
1SERVICES RELAY CHECK (POWER CIRCUIT)All OKProblems metOperation

With the ignition ON, check that the additional rear current socket is working properly. The socket is located under the rear parcel shelf support, on the left hand side.

It is possible, for example, to insert the cigar lighter and check that it heats up

Continue to Step 4The additional rear current socket is also not workingContinue to Step 2
2SERVICES RELAY POWER SUPPLY CHECK (POWER CIRCUIT)All OKProblems metOperation

Check that the services discharge replay is correctly supplied by the battery.

With the ignition ON, connect to the power supply for the relay from the Body Computer and check that the supply is sent to the relay when the electric windows are activated.

Also check that the electrical connections between the Body Computer, the battery and the relay are not faulty See E3051 ELECTRIC REAR WINDOWS

NOTE: Do not disconnect the relay

Continue to Step 3No supply from batteryRestore the correct supply to the relay. If necessary replace the faulty components (if a fuse is involved, search for the cause of the problem)
Supply enablement not provided by the Body ComputerReplace the Body Computer Op. 5505A32
Connections faultyRestore the correct connections. See E3051 ELECTRIC REAR WINDOWS
3RELAY OUTPUT CHECKAll OKProblems metOperation

With the ignition ON, connect to the relay output and check that the supply is sent to the electric windows circuit when the electric windows are activated.

Also check that the connections between the services relay and the Luggage Compartment Node are not faulty See E3051 ELECTRIC REAR WINDOWS

Continue to Step 4The power supply is not sent to the circuitReplace the services relay
Connections faultyRestore the correct connections. See E3051 ELECTRIC REAR WINDOWS
4ELECTRIC WINDOWS CIRCUIT CHECKAll OKProblems metOperation
The problem is due to problems at the front electric windows circuit. Continue as described in the See table M11 ONE OF THE ELECTRIC FRONT WINDOWS NOT WORKINGfor both the electric windows, bearing in mind that the problems could be different for the two electric windowsEnd of diagnosis

Parts & tools for this job For 2003 Fiat Idea

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