Air conditioning H01, H02 911 Turbo (996)80 · Work instruction Dis

Air conditioning H01, H02 911 Turbo (996)80 Work instruction Display OK If not OK 4 Check line between pres- ♦Switch off ignition Battery voltage ⇒ Step 6 sure switch and relay for ⇒ Step 5 ♦Disconnect relay for magnetic magnetic clutch clutch ♦Reattach the plugs on pressure switch ♦Switch on ignition ♦Measure voltage at relay socket between pin 3 and ground 5 Check relay for magnetic ♦Start engine and switch on air- < 5 Ω ⇒ Step 9 clutch conditioning ♦Measure resistance at relay socket for magnetic clutch between pin 2 and ground ♦Measure resistance at relay socket for magnetic clutch between pin 4 and ground 6 Check line between pres- ♦Remove plug from pressure ∞ Ω Repair wiring har- sure switch and relay for switch. ⇒ Step 7 ness magnetic clutch for → End ♦Measure resistance between ground short plug on transponder coil pin 1 and ground 7 Check line between pres- ♦Measure resistance between < 5Ω Repair wiring har- sure switch and relay for plug at pressure switch pin 1 ⇒ Step 10 ness magnetic clutch for open and relay socket for magnetic → End circuit clutch pin 3 8 ♦Replace relay for magnetic clutch → End ♦Perform system test 9 ♦Check line between DME control module and relay for → End magnetic clutch for open circuit ♦Check line from ground point 8 to relay socket for mag- netic clutch for open circuit 10 ♦Short circuit to ground or open circuit in the lines for relay → End for fresh-air blower or for pressure switch or relay for fresh-air blower faulty 80-16 page 2 8001 Fault code 30 30xxxh02 Printed in Germany – 15, 2001