45-28Fault code 4420 · Rate-of-turn sensor

911 Turbo (996) PSM 05 45 45-28Fault code 4420 Rate-of-turn sensor Note! If the fault codes 4400 Transverse acceleration sensor, 4420 Rate- of-turn sensor and 4440 Steering-angle sensor are displayed together, there may be an open circuit in the circuit to control mod- ule terminal 39. Diagnostic conditions • Rate-of-turn sensor actual value is evaluated and displays an implausible value Possible cause of fault ♦Short circuit to ground/voltage or open circuit in circuit to con- trol module terminals 9, 10, 21, 39, 41 ♦Wiring/ plug connection faulty ♦Rate-of-turn sensor faulty ♦PSM control module faulty Affected terminals Terminals 9, 10, 21, 39, 41 Diagnosis/troubleshooting The following troubleshooting procedure applies to the rate-of-turn sensor 996.606.145.00 as of 08/00. Rate-of-turn sensor 996.606.145.00 4503 Fault code 4420 45-28 page 1 Printed in Germany – 5, 2001 4420ps05