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Home >> Mercedes Benz >> 2004 >> CL55 >> Repair and Diagnosis (Single Page) >> Engine Performance >> Ignition System >> Electrical System - Engine - 215 & 220 Chassis >> Basic Knowledge >> ECI ignition system power pack location/task/design/function - GF15.15-P-3100 >> ECI ignition system power pack location/task/design/function - GF15.15-P-3100L >> Notes
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ECI ignition system power pack location/task/design/function - GF15.15-P-3100L: Notes

Fig 1: Identifying ECI Ignition System Mains Unit Connector Location
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DANGER Risk of fatal injury  when touching parts conducting high voltage when the ignition is switched off After ignition is turned OFF, only disconnect the plug on the ECI power pack after waiting 3 minutes. AS15.15-Z-0001-01A 
  Power pack location   GF15.15-P-3100-01L 
  Power pack task The power pack generates the following different DC voltage for each ignition module from the battery voltage:
  • 23 volts as an auxiliary voltage for ion current measurement
  • about 180 volts for generating the ignition voltage

Terminal 87 is also looped to each ignition module.
 
  Power pack design   GF15.15-P-3100-02L 
  Power pack function AC voltage converter with two separate channels each with 55 watts for an ignition module on the right and the left. All outputs are protected.