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Diagnostic Manual, Chassis and Drivetrain,
Volume 2

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LOCATION:    5.2 Acceleration Slip Regulation (ASR)   >   13 Diagnosis - Complaint Related Diagnostic Chart


Diagnosis - Complaint Related Diagnostic Chart

Complaint/Problem Possible cause Test step/Remedy 1)
ASR MIL (A1e22) or ABS MIL (A1e17) comes on while engine is running   12,
Base module 1.1 11
ASR MIL (A1e22) or ABS MIL (A1e17) comes on while driving and stays on   12
ASR MIL (A1e22) or ABS MIL (A1e17) intermittently comes on while driving Voltage supply less than 11 V, too many electrical consumers on Test generator (G2),
12
ABS MIL (A1e17) does not come on with Ignition: ON   23 2.0
ASR MIL (A1e22) does not come on with Ignition: ON   23 3.0
ASR MIL (A1e22) comes on while engine is running, DTC in memory   Hydraulic Test
33 1.0, 2.0
23 2.0
ABS MIL (A1e17) comes on while engine is running, after applying brakes or on a dynamometer VSS implausible due to different VSS from front and rear axle 12
1) Observe Preparation for Test, see 22.