Knock Sensors - Porsche Boxster Technical Manual

24 DME diagnosis Boxster
8
Pull off valve connector and measure voltage between
pin 1 (+) and ground (engine)
Ignition "ON"
Display: approx. 12 V
1
2
8
Note
Power is supplied via the DME relay
Test point 29
Knock sensors 1 and 2 1. Check fastening of the knock sensors
DTC 210, 211, (torque and type of hexagon head bolts)
212, 213 2. Check wiring harness and plug connections according to the wiring
diagram
Allocation:
8
Knock sensor 1, pin 13 on the control module connector
Knock sensor 2, pin 41 on the control module connector
Ground of knock sensors, pin 71 on the control module connector
3. Loosening and re-tightening the knock sensors may eliminate any ex-
cess contact resistance.
8
24 -D 46 24 01 DiagnosiisjTroubleshooting DME
98624Dl I)rinted in Germany -4, 1996
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