Diagram: Abs/Tc 5.3 (4-Channel System) - Porsche Boxster Technical Manual

Boxster Anti-lock brake system, diagnosis 45
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Diagram: ABS/TC 5.3 (4-channel system)
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1 -ABS/TC control module' 7 -Brake light
8 -Stop-light switch
2 -Brake unit (brake booster with
tandem master brake cylinder) 9 -ABS MIL (yellow)
10 -TC MIL (TC/yellow)
3 -ABS/TC hydraulic unit * 11 -TC function light (green)
A (4 hydraulic outputs)
.12 -DME control module
4 -ABS speed sensors 13 -TC rocker switch (see Page 45 -D 10)
5 -Central Information System A = Front-axle braking circuit
B = Rear-axle braking circuit
6 -Brake proportioning valve (Ix) C = Parking brake cable deflection box
* Control module, hydraulic unit, pump-motor relay and valve relay form a unit, which is located
beside the master brake cylinder.
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45 02 Diagnosis/troubleshooting, anti-lock brake system 45 -D 9
Printed in Germany -3, 1996 986D451
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