996 Carrera Group 0 Part 1 Diagnosis / PAGE 314
8.9 Rear right wheel-speed sensor circuit · Test Work instruction Result Possible causes of fault
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911 Carrera (996) PSM diagnosis
8.9 Rear right wheel-speed sensor circuit
Test Work instruction Result Possible causes of fault
T01 Test: voltage short in signal circuit Lessthan
0.3 V 1-Short circuit to voltage in the circuitjDetween:
,. Ignition off
Pull wiring harness plug off of: PSM control module wiring harness plug
'SM control module (wiring harness side) terminals 31, 30
Ignition on and
Measure voltage betweenthe rear right speed sensor
following terminals: terminals 5, 4
DSMcontrol module
wiring harnessplug (wiring harness Note: Disconnectthe plug connection X
side) terminal 31 2/4 (terminals18, 19) for further
and troubleshooting.
Check the wiring harnessfor pinchingor ground
Yes: T02 chafin2 dama2e.
102 Test: short to ground in signal Greater No:
circuit than 500 i- Short circuit to ground in the circuitI
kOhm between:
Ignition off DSMcontrol module wiring harnessplug
Measure resistance between the wiring harness side) terminals31, 30
following terminals: and
DSMcontrol module wiring harness rear right speed sensor
Dlug (wiring harness side) terminal 31 terminals 5, 4
and
Note: Disconnect the plug connection X ground
2/4 (terminals 18, 19) for further
troubleshooting. Check the wiring
103 narness for Dinching or chafing damae:e.
45 -D 251
!Yes:INo:
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