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9.2 Traction Systems (ASR, ETS) and Speed-sensitive Power Steering (SPS)   >   13 Diagnosis - Complaint Related Diagnostic Chart

Complaint/Problem Possible cause Test step/Remedy 1) ASR MIL (A1e22), ETS MIL (A1e35) or ABS MIL (A1e17) come when engine is running   Read out DTC 12 ETS MIL (A1e35) comes on while driving and then after a while goes out Rear brakes at one time were overloaded Read out DTC 12 Erase DTC ASR MIL (A1e22), ETS MIL (A1e35) or ABS MIL (A1e17) comes on while driving and does not go out   Read out DTC 12 ASR MIL (A1e22), ETS MIL (A1e35) or ABS MIL (A1e17) comes on while driving and then goes out Vehicle system voltage < 11 V, too many electrical consumers in use. Check generator (G2), Read out DTC 12 ABS MIL (A1e17) does not come on with ignition turned on   23 3.0 ASR MIL (A1e22) or ETS MIL (A1e35) does not come on with ignition turned on   23 5.0 ABS MIL (A1e17) comes on with engine running after brake test or dynamometer use Nonplausible rpm signal due to different rpm at front and rear axles. Read out DTC 12, erase 1) Observe Preparation for Test, see 22.