Information on ABS 5.3 and ABS/fC 5.3 · General Differences between ABS 5.3 and ABS/TC

911 Carrera (996) Entire vehicle -General 0 Information on ABS 5.3 and ABS/fC 5.3 General Differences between ABS 5.3 and ABS/TC 5.3 The Porsche 911 Carrera (996) is equipped as ABS 5.3 = 3-channelsystem standard with an anti-lock brake system (diagram: see Page 0 -27). (ABS 5.3). "Traction Control (TC)" is availableon ABS/fC 5.3 = 4-channel system special request on the basis of ABS 5.3. (diagram: see Page 0 -29). Traction Control (TC) is a combination of anti- slip control (ASR)and Automatic Brake The essential distinguishing features between Differential (ABD). ABS and ABS/TCare: TC is a further system for increasing driving safety. Number of brake lines at intermediatepiece (No. 8/ Figure 181 -96): ABS 5.3 is optimized with regard to ABS 5.3 = 3 brake lines installed volume and weight compared with the ABS/TC 5.3 = 4 brake lines ABS 5 (ABS 5 on the 993). Control module(No. 1), hydraulic unit (No.7), pump-motor relay and valve relay (No.2) of ABS 5.3 and ABS/TC 5.3 TC off switch for switching driving stability form a unit that is located next to the brake control on and off is not availableon vehicles master cylinder. with Solo ABS (ABS5.3). TC (ASRjABD) warning light and 1 TC (ASRjABD) function light '" '\. (informationlight) in vehicleswith ABSjTC. These lights light up when the ignition is switched on (lamp check). ta> In vehicles with ABS 5.3 (Solo ABS)these lights are not fitted in the instrument cluster, A figure showing the warning lights and the function light is shown on Page 0-30. ( 7 2 8 181 -98 Diagnosis and system tests on both systems are carried out with the Porsche System Tester 2. 0 Running gear -general 0 -25 Printed in Germany, 1997 996O_16 ~...