PSM 05 911 Turbo (996)45 · Work instruction Display OK

PSM 05 911 Turbo (996)45 Work instruction Display OK If not OK 1 Check power supply of ♦Switch off ignition > 11 V Open circuit in cir- the rate-of-turn sensor ⇒ Step 2 cuit between PSM ♦Pull plug off the rate-of-turn sen- control module plug sor pin 39 and pin 3 of ♦Switch on ignition the rate-of-turn sen- ♦Measure voltage between pin 3 sor plug, or PSM of rate-of-turn sensor plug and contol module faulty ground → End 2 Check ground of the rate- ♦Measure voltage between pin 3 > 11 V Open circuit in cir- of-turn sensor of the rate-of-turn sensor plug ⇒ Step 3 cuit between PSM and pin 6 of the rate-of-turn sen- control module plug sor plug pin 21 and pin 6 of the rate-of-turn sen- sor plug, or PSM contol module faulty → End 3 Check reference voltage ♦Measure voltage between pin 1 approx. 2.5 V Open circuit in cir- of the rate-of-turn sensor of the rate-of-turn sensor plug ⇒ Step 4 cuit between PSM and pin 6 of the rate-of-turn sen- control module plug sor plug pin 10 and pin 1 of the rate-of-turn sen- sor plug, or PSM contol module faulty → End 4 Check leads from PSM ♦Switch off ignition < 0.3 V Short circuit to volt- control module to rate-of- ⇒ Step 5 age between pins 1, ♦Pull off the PSM control module turn sensor for short cir- 2 and 4 of the rate- plug cuit to voltage of-turn sensor plug ♦Switch on ignition and pins 10, 9 and ♦Measure voltage between pins 41 of the PSM con- 1, 2 and 4 of the rate-of-turn trol module plug sensor plug and ground → End 5 Check leads from PSM ♦Switch off ignition < 5 Ω Short circuit to control module to rate-of- ⇒ Step 6 ground between ♦Measure resistance between turn sensor for short cir- pins 1, 2 and 4 of pins 1, 2 and 4 of the rate-of- cuit to ground the rate-of-turn sen- turn sensor plug and ground sor plug and pins 10, 9 and 41 of the PSM control mod- ule plug → End 6 Check leads from PSM ♦Measure resistance between < 5 Ω Open circuit control module to rate-of- pins 1, 2 and 4 of the rate-of- ⇒ Step 7 between pins 1, 2 turn sensor for open cir- turn sensor plug and pins 10, 9 and 4 of the rate-of- cuit and 41 of the PSM control mod- turn sensor plug ule plug and pins 10, 9 and 41 of the PSM con- trol module plug → End 45-28 page 2 4503 Fault code 4420 4420ps05 Printed in Germany – 5, 2001