145 - MiTo   1.4 16v TJet   FRONT SEAT HEATING NOT WORKING   O020   


 

 

 

Test results

 

1

 

SEAT CONNECTION CHECK

 

All OK

 

Problems encountered

 

Operation

 

 

Check the connection between the seat connection and the floor connection

 

Move on to Step 2

 

Heater pad power supply connector detached from the connection on the vehicle floor

 

Fit the seat heater pad connection correctly to the vehicle floor connection

 

2

 

CONNECTIONS FOR CUSHION HEATER PAD AND BACKREST HEATER PAD CHECK

 

All OK

 

Problems encountered

 

Operation

 

 

Check that the cushion heater pad connector and backrest heater pad connector are correctly attached

 

Move on to Step 3

 

Cushion heater pad connector detached from backrest heater pad connector

 

Fit the cushion and backrest connectors correctly

 

3

 

HEATER PAD BUTTON CHECK

 

All OK

 

Problems encountered

 

Operation

 

 

Check that the connector is correctly inserted in the heater pad button, also check for any oxidation/impurities at the connector/button

 

Move on to Step 4

 

1.Connector not correctly inserted in the heater pad button

2. Presence of oxidation/impurities at button connector

 

1. Restore correct heater pad button connection engagement

2. Eliminate oxidation/impurities at heater pad button connector

 

4

 

HEATER PAD WIRING CHECK

 

All OK

 

Problems encountered

 

Operation

 

 

Check for any breaks/tears in the cushion heater pad and backrest heater pad wiring

 

Move on to Step 5

 

1.Presence of cuts/tears in the cushion heater pad supply leads

2. Presence of cuts/tears in the backrest heater pad power supply leads

 

1. Cushion heater pad replacement

 Op. 7045M22 HEATER PAD FOR FRONT SEAT CUSHION, LEFT OR RIGHT - R.R. FOLLOWING ELECTRICAL CIRCUIT CHECK

2. Backrest heater pad replacement

 Op. 7045M26 FRONT SEAT BACKREST HEATER PAD, LEFT OR RIGHT - R.R. FOLLOWING ELECTRICAL CIRCUIT CHECK

 

5

 

OPERATION OF CUSHION AND BACKREST HEATER PAD RESISTANCE CHECK

 

All OK

 

Problems encountered

 

Operation

 

 

Check that the cushion heater pad and backrest heater pad resistnce is working properly

 

End of diagnosis

 

1. Cushion heater pad resistance interrupted

2. Backrest heater pad resistance interrupted

 

1. Cushion heater pad replacement

 Op. 7045M22 HEATER PAD FOR FRONT SEAT CUSHION, LEFT OR RIGHT - R.R. FOLLOWING ELECTRICAL CIRCUIT CHECK

2. Backrest heater pad replacement

 Op. 7045M26 FRONT SEAT BACKREST HEATER PAD, LEFT OR RIGHT - R.R. FOLLOWING ELECTRICAL CIRCUIT CHECK

The seat cushion and front backrest heater pad is not working / not working properly.