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Home >> Porsche >> 2008 >> Cayman Base, Automatic >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> 9X - Electrical System - General -- 987-BOXSTER-CAYMAN >> WM 9X00IN Measurement Of Closed-Circuit Current (All Models) >> Measurement Of Closed-Circuit Current >> Preliminary Work On Vehicle

Preliminary Work On Vehicle

Information 

Before measuring the closed-circuit current, determine the vehicle equipment (I numbers) and establish the expected closed-circuit current with the aid of the attached table.

  1. Open the front luggage compartment.
  2. Using a suitable tool, e.g. upper part of lock with a suitable handle, close lower part of luggage compartment lock while keeping the luggage compartment lid open.
  3. Remove ignition key, close doors and rear lid, do not lock  vehicle.
  4. Set the measuring instrument to the highest possible current-measuring range.
  5. With two alligator clips, connect the measuring instrument to the battery ground and to the unoccupied second body ground which is always available for RHD or LHD.
  6. Remove ground strap from the body and secure against contact with the body. The entire vehicle current now flows through the ammeter.