Test point 12 · Average speed

Test point 12 Average speed Engine off Select average speed with on-boardcomputer selector lever, PST2display: Tester display approximatelyequalsthe average speed See also Actual valueschapter, "Speed",Test point 2 Test point 13 Outside temperature sensor value Engine off PST2display: Tester display approximatelyequalsthe ambienttemperature Troubleshooting: Warm sensor with fingers and observe the increase in temperature on PST2. If no change in temperature is determined or displayed: Disconnectoutside temperature sensor Switch ignition on Measure the voltage at the outside temperature plug, pin 1 and pin 2 Voltmeter display: approx. 4.5 .5 V Ohmmeteron pin 1 and pin 2 on the outside temperature sensor Ohmmeter display at 20 DC: 2.5 -3 K.Q Switchoff ignition Pull off plug I on the instrumentcluster Switch ignition on 90 25 DiagnosisjTroubleshooting, instrument cluster 90-D99