Fault Overview/Troubleshooting (Diagnosis/Test Plan) - Porsche 928 Workshop Manual

928 Differential, transaxle system
39
a
Fault overview/Troubleshooting (diagnosis/test plan)
Test point
1
2
3
6
7
8
9
10
11
12
. ::
DTC Fault display (short fault text)
Page
11 Transverse lock valve D39 - 230
12
D39 - 232
13 D39 - 233
14
15
21
22
23
24
31
32
33
34
35
Lateral acceleration sensor,
short circuit/discontinuity
Lateral acceleration sensor,
signal implausible
Transverse lock, deviation
Control unit defective
Speed sensor, front left
Speed sensor, front right
Speed sensor, rear right
Speed sensor, rear left
ABS valve, front left
ABS valve, front right
ABS valve, rear axle
Valve relay
Return pump
D39 - 234
D39 - 235
D39 - 236
D39 - 236
D39 - 236
D39 - 238
D39 - 238
D39 - 240
D39 - 240
D39 - 241
D39 - 245
0
PSD diagnosiflroubleshooting
D39 - 227
Printed In Germany XXXV. 199s