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

Air conditioning H01, H02 911 Turbo (996)80 Work instruction Display OK If not OK 3 Check 5 V supply line for ♦Switch off ignition ∞ Ω Repair wiring har- short to ground ⇒ Step 3 ness ♦Remove plug B from the air-con- → End ditioning system regulator ♦Disconnect plugs from all flap motors ♦Measure resistance at plug B of the air-conditioning system regu- lator between pin 20 and ground 4 Check potentiometer in ♦Measure resistance between 4 - 5 kΩ Replace motor for the temperature mixing pins 1 and 3 of temperature mix- ⇒ Step 5 temperature mixing valve. ing valve valve. → End 5 Check potentiometer in ♦Measure resistance between 4 - 5 kΩ Replace motor for the footwell defrost flap pins 1 and pin 3 of footwell ⇒ Step 6 footwell defrost flap. defrost flap → End 6 Check potentiometer in ♦Measure resistance between 4 - 5 kΩ Repace motor for the central flap. pins 1 and 3 of the central flap Step 7 temperature mixing valve. → End 7 Check potentiometer in ♦Measure resistance between 4 - 5 kΩ Replace motor for der outside air / recircula- pins 4 and 5 of the outside air / Step 8 temperature mixing tion valve recirculation air valve valve. → End 8 ♦Replace air-conditioning system regulator → End 80-11 page 2 8001 Fault code 25 25xxxh02 Printed in Germany – 15, 2001