996 Carrera Group 0 Part 1 Diagnosis / PAGE 153
PSM diagnosis 911 Carrera 4 (996) · FC Tester dis~v fault t~~ Rem
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PSM diagnosis 911 Carrera 4 (996)
FC Tester dis~v fault t~~ Remedy
5260 Booster valve 1 8.22
.Booster valve voltage actual value is evaluatedand displaysan implausiblevalue
(valve circuit or driver output malfunction)
.Short circuit to ground/voltage or open circuit in the circuit to control module
terminal 54
Effect:
.PSM function is switched off
.ABS function is switched off
.ASR function is switched off
Possible cause of fault:
.Wiring/plug connection faulty
.PSM hydraulic unit faulty
Affected terminals:
54
5262 Booster valve 2 8.23
.Booster valve voltage actual value is evaluatedand displaysan implausiblevalue
(valve circuit or driver output malfunction)
.Short circuit to ground/voltage or open circuit in the circuit to control module
terminal 52
Effect:
.PSM function is switched off
.ABS function is switched off
.ASR function is switched off
Possible cause of fault:
.Wiring/plug connection faulty
.PSM hydraulic unit faulty
Affected terminals:
52
45 -D 90
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