Porsche Boxster Technical Manual page 128

Boxster Anti-lock brake system, diagnosis 45
8
Fault memory
Overview of possible faults with ABS 5.3 and ABS / TC 5.3
-Control module faulty
-Rear left speed sensor, signal implausible
-Front right speed sensor I signal implausible
-Rear right speed sensor, signal implausible
-Front left speed sensor, signal implausible
-Rear left speed sensor wire, open circuiVshort to ground/short to B+
-Front right speed sensor wire, open circuiVshort to ground/short to B+
-Rear right speed sensor wire, open circuiVshort to ground/short to B+
8 -Front left speed sensor wire, open circuiVshort to ground/short to B+
-Valve supply voltage
-Return pump
-Stop-light switch
-Incorrect gear wheel
-Undervoltage
-Intake valve
-Switch-over valve
-Version coding
-Electrical connection between TC and Tiptronic
-Engine rpm information missing
-Electrical connection between TC and DME (MMI)
8 -Electrical connection between TC and DME (MMR)
-Fault stored in DME control module
8
45 02 Diagnosis/troubleshooting, anti-lock brake system 45 -D 19
Printed in Germany -3, 1996 986D451
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