Traction Systems and SPS (DTC Memory [12])
Traction Systems (ABS, ASR, ETS) and Speed-Sensitive Power Steering (SPS)
Model 210 (4MATIC)
Diagnostic Trouble Code (DTC) Memory [12]
Preparation for DTC Readout
1. Review section 0
2. Additionally review [21], [22], [23](connector connections).
3. Connect Hand-Held Tester (HHT) to data link connector (X11/4) according to connection diagram (see section 0). Scan Tool Connecting [0]
4. Ignition: ON
5. Read out DTC memory for the BAS,ETS, ME and ETC systems.
Note: It is important to read out the DTC's from the BAS system first, since the DTC's from the other systems are stored in BAS during the diagnostic process.
6. Perform actual/nominal values comparison.
7. Perfrom activations.
8. Follow-up and repair displayed DTCs.
9. After successful repairs, erase all DTCs.
DTC readout is no longer possible using the impulse counter scan tool.
In case of complaint, and no fault is present in system,
perform ETP [23] in its entirety.
Special Tools:
