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Engine diagnosis indicator lamp, location/task/function - GF54.30-P-4102IA

MODEL 203 with ENGINE 612 

Fig 1: Identifying Engine Diagnosis Indicator Lamp, Location - Model 203 With Engine 612
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  Engine diagnosis indicator lamp, location The engine diagnosis indicator lamp is located in the middle of the instrument cluster.  
  Engine diagnosis indicator lamp, task Indicating faults relevant to the exhaust system.  
  Engine diagnosis indicator lamp, function The engine diagnosis indicator lamp is actuated by the CDI control unit at the ground end. The engine diagnosis indicator lamp lights up for 1 second at ignition ON and up to an engine speed of approx. 500 rpm to check that it is functioning correctly. If there is no fault, the CDI control unit breaks the ground connection and the engine diagnosis indicator lamp goes out.