seat Workshop Repair Guides

SEAT Workshop Service and Repair Manuals

Removing and installing glow plugs > < Checking glow plug system
Checking glow plug system
Checking glow plug system
t  The glow plug system is controlled by means of an automatic glow period control unit -J179- The automatic glow period control unit -J179- is capable of self-diagnosis.
t  The control unit for automatic control of glow time is located at the front left in the mount of the fuse holder B -SB- in the engine compartment → Current flow diagrams, Electrical fault finding and Fitting locations.
t  A fault is stored in the event memory of the engine control unit -J623- if a fault occurs in the glow plug system.
t  The procedure for checking the glow plug system is described in the „Guided Fault Finding“.
t  For faster starting, the vehicle is equipped with electronically controlled glow plugs and a separate glow period control unit.
t  Each glow plug is activated and diagnosed separately.
   

Removing and installing glow plugs > < Checking glow plug system