145 - MiTo   1.4 16v TJet   Reverse gear switch (MT application) - Circuit short to battery   P0812-12   


 

 

 

 

Test results

 

1

 

COMPONENT CONCERNED

 

REVERSING SWITCH AND POWERTRAIN CONTROL MODULE CONNECTION CHECK

 

OK (NO FAULTS DETECTED)

 

FAULT DETECTED

 

OPERATION

 

 

Connections on reversing switch and Powertrain Control Module

 

Check for the presence of loose connections on the reversing switch and the Powertrain Control Module

 

Go to Step 2

 

Presence of loose connections

 

Restore the correct connections

 

2

 

COMPONENT CONCERNED

 

WIRING CHECK BETWEEN REVERSING SWITCH AND POWERTRAIN CONTROL MODULE

 

OK (NO FAULTS DETECTED)

 

FAULT DETECTED

 

OPERATION

 

 

Wiring between Powertrain Control Module and reversing switch

 

Check for a short circuit to battery on the wiring between the reversing switch and pin 35 of the Powertrain Control Module (with running vehicle).

 

End of diagnosis

 

Presence of a short circuit to battery on the wiring

 

Restore the correct wiring insulation to battery