80-21Fault code 36 · CAN-timeout instrument cluster

911 Turbo (996) Air conditioning H01, H02 80 80-21Fault code 36 CAN-timeout instrument cluster Diagnostic conditions • Ignition on Possible cause of fault ♦Open circuit of CAN-high Comfort ♦Open circuit of CAN-low Comfort ♦Instrument cluster faulty Note! ♦The CAN Comfort is connected to the following control modules: ♦Air-conditioning control module ♦Instrument cluster Affected terminals Plug B, terminals 1 and 2 Diagnosis/troubleshooting Work instruction Display OK If not OK 1 Read out instrument clus- ♦Check whether the instrument The fault is remedied ⇒ Step 2 ter fault memory cluster is still functional. Check → End power supply and instrument cluster fuse ♦Read out instrument cluster fault memory and remedy any possi- ble stored faults 2 Check CAN Comfort high ♦Switch off ignition < 5Ω Repair wiring har- for open circuit ⇒ Step 3 ness ♦Remove plug A from the instru- → End ment cluster ♦Pull plug off the control module of the air-conditioning system ♦Measure resistance between plug A on the instrument cluster pin 14 and plug B on control module of air-conditioning sytem pin 1 8001 Fault code 36 80-21 page 1 Printed in Germany – 15, 2001 36xxxh02