Instrument cluster K20 911 Turbo (996)90 · Work instruction Displ

Instrument cluster K20 911 Turbo (996)90 Work instruction Display OK If not OK 12 Check power supply of ♦Switch off ignition Battery voltage Check wiring the spoiler drive ⇒ Step 16 between spoiler ♦Disconnect connector from the drive and relay no. spoiler drive 3 and relay no. 9. ♦Insert both relays ♦Switch on ignition ♦Actuate key "Retract spoiler" and at the same time measure the voltage between connector on spoiler drive pin 2 and ground ♦Actuate key "Extend spoiler" and at the same time measure the voltage between connector on spoiler drive between pin 1 and pin 2 13 Check microswitch ♦Disconnect plug connection X < 5Ω ⇒ Step 15 23 ⇒ Step 14 ♦Remove microswitches ♦Actuate top microswitch by hand and at the same time measure the resistance on the plug of the microswitch (pin side) between pin 2 and pin 5 ♦Actuate bottom microswitch by hand and at the same time measure the resistance on the plug of the microswitch (pin side) between pin 4 and pin 5 14 Check ground lead ♦Measure resistance between < 5Ω Repair wiring har- between ground point 8 plug connection X 23 pin 5 ⇒ Step 18 ness and micro switch for (sleeve side) and ground → End open circuit 15 ♦Replace microswitch and re-perform the function check. If → End not O.K., check wiring to instrument cluster. 16 ♦Replace relay no. 9 on rear relay carrier → End 17 ♦Replace spoiler drive → End 18 ♦Check wiring from plug connection X 23 to instrument → End cluster 19 ♦Replace instrument cluster → End 90-29 page 6 9025 Fault code 9150 9150xk20 Printed in Germany – 18, 2002