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

PSM 05 911 Turbo (996)45 Work instruction Display OK If not OK 3 Check lead from PSM ♦Brake pedal actuated < 0.3 V Short circuit to volt- control module to stop ⇒ Step 3 age between PSM ♦Measure voltage between PSM light switch for short cir- control module plug control module plug pin 37 and cuit to voltage pin 37 and stop light ground switch pin 3 → End 4 Short circuit to ground/ ♦Brake pedal actuated > 11 V Short circuit to open circuit in the signal ⇒ Step 4 ground or open cir- ♦Measure voltage between PSM circuit cuit between PSM control module plug pin 32 and control module plug ground pin 32 and stop light switch pin 2, or stop light switch faulty → End 5 Short circuit to voltage in ♦Brake pedal not actuated < 0.3 V Short circuit to volt- signal circuit ⇒ Step 5 age between PSM ♦Measure voltage between PSM control module plug control module plug pin 32 and pin 32 and stop light ground switch pin 2 → End 6 PSM control module faulty → End 45-26 page 2 4503 Fault code 4340 4340ps05 Printed in Germany – 4, 2001