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 calibration of the ♦Calibrate steering angle sensor Calibration was ⇒ Step 2 steering angle sensor incorrect → End 2 Check power supply of ♦Switch off ignition > 11 V Open circuit the steering angle sensor ⇒ Step 3 between PSM con- ♦Pull off steering angle sensor trol module plug pin plug 39 and pin 3 of the ♦Switch on ignition steering angle sen- ♦Measure voltage between pin 3 sor plug, or PSM of steering angle sensor plug contol module faulty and ground → End 3 Check ground of the ♦Measure voltage between pin 3 > 11 V Open circuit steering angle sensor of the steering angle sensor ⇒ Step 4 between PSM con- plug and pin 4 of the steering trol module plug pin angle sensor plug 21 and pin 4 of the steering angle sen- sor plug, or PSM contol module faulty → End 4 Check CAN-high lead from ♦Switch off ignition < 5 Ω Open circuit PSM control module to ⇒ Step 5 between pin 2 of ♦Pull off the PSM control module steering angle sensor for steering angle sen- plug open circuit sor plug and PSM ♦Measure resistance between pin control module plug 2 of steering angle sensor plug pin 24 and PSM control module plug → End pin 24 5 Check CAN-low lead from ♦Measure resistance between pin < 5 Ω Open circuit PSM control module to 1 of steering angle sensor plug ⇒ Step 6 between pin 1 of steering angle sensor for and PSM control module plug steering angle sen- open circuit pin 40 sor plug and PSM control module plug pin 40 → End 6 Steering angle sensor faulty → End 45-29 page 2 4503 Fault code 4440 4440ps05 Printed in Germany – 4, 2001