PSM diagnosis 911 Carrera 4 (996) · 8.7 Front right wheel-speedsensor circuit

PSM diagnosis 911 Carrera 4 (996) 8.7 Front right wheel-speedsensor circuit Test Work instruction Result Possible causes of fault Test: voltage short in signal circuit Less than No: 0.3 V -Short circuit to voltage in the circuit .Ignition off between: .Pull wiring harness plug off of: PSM control modulewiring harness plug PSM control module (wiring harness side) terminals 15, 16 .Ignition on and .Measure voltage betweenthe plug connectionX 1/4 following terminals: terminals16, 17 PSM control module wiring harness and plug terminal 15 front right speed sensor and terminals 5, 4 ground Note: Disconnectthe plug connection X 1/4 (terminals16, 17) for further troubleshooting.The connectionpoints 143 and 144 are located in the wiring harness.Check the wiring harnessfor Yes: T02 l?1nffiineor chafine~ge. TO2 Test: short to ground in signal Greater No: circuit than 500 -Short circuit to ground in the circuit kOhm between:iPSM .Ignition off control module wiring harness plug .Measure resistance betweenthe (wiring harness side) terminals 15, 16 following terminals: and PSM control module wiring harness plug connection X 1/4 plug (wiring harness side) terminal 15 terminals 16, 17 and and ground front right speed sensor terminals 5, 4 Note: Disconnect the plug connection X 1/4 (terminals 14, 15) for further troubleshooting. The connection points 143 and 144 are located in the wiring!harness. Check the wiring harness forl~ing IYes: TO3 or chafing damage. TO! 45 -D 120