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Ignition system, glow plug system > < Test condition

Octavia Mk1

Test sequence
Test sequence
–  Connect test box -V.A.G 1598/31 - to the wiring loom of the engine control unit → Chapter 23-3.
–  Connect diode test lamp between sockets 4/5 + 20 of test box -V.A.G 1598/31-.
–  Switch on ignition.
–  Raise vehicle until the front left wheel is clear of the ground.
–  Rotate front left wheel by hand and observe the diode test lamp.
   Diode test lamp must flash.
If it does not flash:
–  Test the following cable connections for open circuit and for short circuit to earth and to positive:
   
Test box - V.A.G 1598/31-, bushDash panel insert, contact
20 → Current flow diagrams and Fitting locations

–  If necessary eliminate wire interruption or short-circuit.
   

Ignition system, glow plug system > < Test condition