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Temperature sensor location/task - GF86.10-P-2100MB

MODEL 220.175 /178 with CODE (Z04) Light armoring with CODE (Z07) Top protection with fire extinguishing system 

Fig 1: Identifying Engine Fire Extinguishing System Temperature Sensor Location
G04851541
  Temperature sensor location The engine fire extinguishing system temperature sensors (B65) are at the front left strut tower (top) and the left front axle beam in front of the steering.
The rear fire extinguishing system temperature sensor (B65/1) is installed in front of the left rear wheel at the underbody armoring.
 
  Temperature sensor task At a temperature of >160 °C a ground signal must be passed to the relevant input of the fire extinguishing system control module.