996 Carrera Group 0 Part 1 Diagnosis / PAGE 132
7. Plug connectionsand relays 8. Brake system · Installationposition:in the frontend behindthe Installa
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911 Carrera 4 (996) PSM diagnosis
7. Plug connectionsand relays 8. Brake system
Installationposition:in the frontend behindthe Installationposition:in the frontend
PSMcontrolmodule
The brake master cylinder,the vacuum brake
TheplugconnectionsXl/3, Xl/4 andboth booster, the hydraulic unit and the booster
relaysare locatedon a holderbehindthe pump are installed in the front end. The brake
controlmodule. master cylinder is a tandem brake master
cylinder with modified central valve.
\. 1 2 3 1/4
1--Y,:::::;:=:'
0 0 0
~
~
[
124_99
4_15_99
1 Relayfor solenoidvalve
1 -Expansion tank
2 -Relay for return pump
2 -Vacuum booster
3 -Xl/4 21-pole,white
3 -Brake master cylinder
4 -Xl/3 21-pole, black
4 -Booster pump
5 -Hydraulic unit
4503 Diagnosis/troubleshooting PSM 45-D69
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