Reading and Clearing Diagnostic Trouble Codes
Diagnosis - Diagnostic Trouble Code (DTC) Memory
NOTE: DTC memory tables (for DTC's 002 through 065) for model 129, 140, 163, 170, 202, 208, and 210, follow. If there are no DTCs' stored, then continue with Section: 13. Review Section: 13 regardless, for additional information. Symptom Related Diagnostic Procedures
Read out DTC's using HHT
The HHT will display only the defective electrical component and will refer to the respective test steps in section Section 23.
1. Review Section 11 entirely and this page before continuing diagnosis.
2. Check AFT level and correct as necessary.
3. Check condition of AFT.
4. Connect HHT to data link connector (X11/4) as shown in connection diagram. (see Section 0) Scan Tool Testing and Procedures
5. Ignition: ON
6. Perform Quick Test with HHT and readout DTC'S.
NOTE: The HHT, via its display indicates only the defective electrical components or refers to the corresponding Test step.
In order to further localize and determine the cause of an intermittent DTC or find the root DTC, proceed as follows:
Subtract 96 from the displayed value (98 to 161) to determine the relevant DTC.
7. Retrieve any additional Information on the displayed DTC by pressing the enter key.
NOTE
1. If additional DTC's are stored in DTC memory of ETC or ME-SFI, further tests can be performed using the HHT (e.g. comparison of Nominal Values/Actual Values, or activation of components).
2. If no DTC'S are stored in DTC memory, the complaint may be of a hydraulic-mechanical nature (e.g. DTC (051 or 055), proceed with the Complaint Related Diagnostic Chart (see Section 13). Symptom Related Diagnostic Procedures
3. (USA) vehicles only:
Illumination of the "CHECK ENGINE" MIL (A1e26) will reference corresponding DTC's in the DTC memory of the engine control module.
4. Transmission adaption (adaption of the ETC), see Section 11. Initial Inspection and Diagnostic Overview
