PSM diagnosis 911 Carrera (996) · 118.1 No communication between diagnostic tester and control modulell

PSM diagnosis 911 Carrera (996) 118.1 No communication between diagnostic tester and control modulell Test Work instruction Result Possible causes of fault T01 Test: short to ground in power Greater No: supply circuit than 11 V .Check the following components for correct functioning: .Ignition off battery .All loads switched off and .Pull wiring harness plug off of: generator!. diagnostic tester Check following circuits for correctI .Measure voltage between the functioning: following terminals: terminal 31 (GP 13)I battery wiring harness plug landiterminal30 (component side) terminal 30 and ground Yes:T02 TO2 Test: short to ground/open circuit Greater No: in power supply circuit than 11 V .Check the following componentsfor correct functioning: .Measure voltage between the fuse 81, following terminals: fuse F6 diagnosiswiring harness plug (wiring .Check the following connection points harness side) terminal 16 in the passenger compartmentwiring and harness: 17, 120 ground Note: an open circuit or a short circuit is present. Check wiring harnessfor continuityand for pinchesor chafing~~aee. - Yes:103 --- Possible fault causes can be identified by consistentlychecking all steps. The control module can only be replaced once all other possibilities have been ruled out. The next step in the main diagnosis test is test step 4. Read out fault memory. The procedure here is identical. If no fault is stored with "present" status, test steps 6 -11 must be carried out until the cause of the fault has been found. 45 -D 190 4503 Diagnosis/troubleshooting PSM System PSM05XX