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Information on ABS 5.3 and ABS/TC 5.3: General

The Porsche Boxster is equipped as standard with an anti-lock braking system (ABS 5.3). "Traction Control (TC)" is available onspecial request on the basis of ABS 5.3.Traction Control (TC) is a combination of anti-slip control (ASR) and Automatic Brake Differential (ABD).

TC is a further system for increasing driving safety. 

Compared with the ABS 5 (ABS 5 in the 993), ABS 5.3 has been optimized with regard to installed volume and weight. Control unit (No. 1), hydraulic unit (No. 7), pump-motor relay and valve relay (No. 2) of ABS 5.3 and ABS/TC 5.3 form a unit that is located next to the brake master cylinder.

Fig 1: Identifying Control Unit, Hydraulic Unit, Pump-Motor Relay And Valve Relay
G03129490Courtesy of PORSCHE OF NORTH AMERICA, INC.

Diagnosis and system tests on both systems are carried out with the Porsche System Tester 2.