Ohmmeter on instrument cluster plug II pin 16 and plug on ABS · control module pin 21

911 Carrera (996) Instrument cluster diagnosis Ohmmeter on instrument cluster plug II pin 16 and plug on ABS control module pin 21 Ohmmeter display: < 5 .0. Test point 3 Speed Ignition on Engineoff PST2display 0 rpm Engineidling PST2display: Tester display approximately equal to engine speed in rpm Troubleshooting: Switchoff ignition Pull off plug II on the instrumentcluster Engineidling Measurethe voltage between instrumentcluster plug II, pin 15 and ground (AC range) Voltmeter display: > 1 V Disconnect plug on DME control module (ME 5.2) or Disconnectplug IV on DME control module (ME 7.2) Switchignitionon Measurethe voltage between instrumentcluster plug II, pin 15 and ground Voltmeter display: 0 V Ohmmeter on instrument cluster plug II pin 15 and plug on DME control module (ME 5.2) pin 80 or ME 7.2 plug IV pin 17 Ohmmeter display: < 5 .0. See also Drive Links chapter J "Tachometer" 90 -D 93