Work instruction Display OK If not OK · 7 Check leads from PSM ♦Measu

911 Turbo (996) PSM 05 45 Work instruction Display OK If not OK 7 Check leads from PSM ♦Measure resistance between pin ∞ Ω Short circuit in wir- control module to rate-of- 1 of the rate-of-turn sensor plug ⇒ Step 8 ing harness turn sensor for short cir- and pins 2 and 4 of the rate-of- between pins 1, 2 cuit turn sensor plug and 4 of the rate-of- turn sensor plug and pins 10, 9 and 41 of the PSM con- trol module plug → End ♦Measure resistance between pin 2 of the rate-of-turn sensor plug and pin 4 of the rate-of-turn sen- sor plug 8 Rate-of-turn sensor faulty → End Diagnosis/troubleshooting Note! If the rate-of-turn sensor with part No. 996.606.147.00 is deter- mined to be faulty, install the new rate-of-turn sensor with part No. 996.606.145.00. The front centre console holder and the lower front centre console support must be replaced for this purpose. An adapter plug must be used for the plug connection.⇒Rep. Gr. 455931 The following troubleshooting procedure applies to the rate-of-turn sensor 996.606.147.00 up to 07/00. Rate-of-turn sensor 996.606.147.00 4503 Fault code 4420 45-28 page 3 Printed in Germany – 5, 2001 4420ps05