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Home >> Mercedes Benz >> 2000 >> SL500 >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Anti-Theft Systems >> System Tests >> Test 20: Anti-Tow Protection Switch Activation

Test 20: Anti-Tow Protection Switch Activation

  1. Connect Hand-Held Tester (HHT) to diagnostic link connector. Activate anti-tow status indicator light using HHT. Anti-tow status indicator light should come on. Go to next step.
  2. Using a jumper wire, bridge terminals No. 1 and 8 at anti-theft module. Ensure anti-tow status indicator light illuminates. If anti-tow status indicator light illuminates, system is okay at this time. If anti-tow status indicator light does not illuminate, check wiring. See WIRING DIAGRAMS  . Check anti-tow status switch. Replace as necessary. Check anti-theft control module.