125000665 - O20 FRONT SEAT HEATING NOT WORKING

With panel on, seat heat pads do not work.
Results of the tests
0PRELIMINARY CHECKSAll OKProblems metOperation
Check whether the heat pads have been deactivated by means of the switches at either side of the seats.
Device operation is automatically cut out at a certain temperature by a thermal contact inside the device.
Continue to Step 1Switch in OFF positionActivate the switch
Switch in ON positionContinue to Step 1
1CHECKING HEAT PAD POWER SUPPLYAll OKProblems metOperation
Check the heat pad connectors are properly supplied with power See    See E3075 HEATED SEATSContinue to Step 2No supplyCheck the condition of the specific facia junction unit fuse, and the continuity of leads from the control unit to the heat pads: See    See E3075 HEATED SEATS
2CHECKING SWITCH OPERATIONAll OKProblems metOperation
Disconnect the switches and check their efficiency using a TesterContinue to Step 3Switches not working properlyReplace switches
3CHECKING HEAT PAD POWER SUPPLYAll OKProblems metOperation
Remove the seat trim and check the heat pads are in good conditionContinue to Step 4Cushion heat pad damagedReplace the heat pad Op.    Op. 7045M22 L/H OR R/H FRONT SEAT CUSHION HEAT PAD - R+R FOLLOWING ELECTRICAL WIRING CHECK
Squab heat pad damagedReplace the heat pad Op.    Op. 7045M26 L/H OR R/H FRONT SEAT SQUAB HEAT PAD - R+R FOLLOWING ELECTRICAL WIRING CHECK
4CHECK ON CORRECT OPERATIONAll OKProblems metOperation
Check that the fault is no longer presentEnd of diagnosis.