Instrument cluster K20 911 Turbo (996)90 · Diagnosis/troubleshooting

Instrument cluster K20 911 Turbo (996)90 Diagnosis/troubleshooting Work instruction Display OK If not OK 1 Read out Tiptronic fault ♦Read out Tiptronic fault mem- The fault is remedied ⇒ Step 2 memory ory and remedy any stored → End faults 2 Check CAN-high drive for ♦Switch off ignition < 5Ω Repair wiring har- open circuit ⇒ Step 3 ness ♦Pull plug A off the instrument → End cluster ♦Pull plug D and B off the DME control module ♦Pull plug off the Tiptronic control module ♦Measure resistance between plug A on the instrument cluster pin 15 and plug on DME control module pin 36 ♦Measure resistance between plug B on DME control module pin 4 and plug on Tiptronic con- trol module pin H 3 Check CAN-low drive for ♦Measure resistance between < 5Ω Repair wiring har- open circuit plug A on the instrument cluster ⇒ Step 4 ness. pin 31 and plug D on DME con- → End trol module pin 37 ♦Measure resistance between plug B on DME control module pin 3 and plug on Tiptronic con- trol module pin L 4 ♦Replace Tiptronic control module to test → End 90-12 page 2 9025 Fault code 9112 9112xk20 Printed in Germany – 8, 2001