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Home >> Mercedes Benz >> 1998 >> S500 >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Electrical System, Equipment & Instructions - 140 Chassis >> Basic Knowledge >> Self-test, function - GF54.65-P-2000A

Self-test, function - GF54.65-P-2000A

MODELS 140, 163, 168, 202, 208, 210, 215, 220 with CODE (220a) Parktronic System (PTS) 

Procedure 

The Parktronic control unit (N62) carries out a self-test after the ignition is switched on.

The Parktronic control unit (N62), sensors and lines to the sensors are checked.

After the self-test all the active warning indicators are actuated fully for approx. t=2 seconds, as a result all the segments and the frames of the active warning indicators light up.

System o.k. 

Model 168, 202, 208, 210, 215, 220

Model 163

Malfunction 

Model 168, 202, 208, 210, 215, 220

Model 163

If a warning indicator does not receive any valid signals within t=0.5 seconds after the ignition is switched on, the two red segments of the corresponding warning indicator light up. Thereupon a warning chime follows for approx. t=3 seconds and after t=20 seconds the warning indicator is switched off.

In operation the Parktronic control unit (N62) carries out system tests at regular intervals, in which parts of the Parktronic system (PTS) are checked.

  Fault analysis, function   GF54.65-P-4004A 
  PTS control unit, location / task   GF54.65-P-4100A 
  Sensors, location/task/function   GF54.65-P-4102A 
  Warning display, location / task / design / function   GF54.65-P-4104A