Displaying & Reading Trouble Codes (DTC Memory)
Air Conditioning (A/C)
Models 140 up to MY 1995
Diagnostic trouble Code Memory [14]
Notes For Diagnosis:
Preparation for Test
1. Turn left temperature selector wheel to "red" detent.
2. Turn right temperature selector wheel to "blue" detent.
3. Turn ignition ON .
4. Press AUTO.
5. Within 20 seconds simultaneously press REST and 0 for > 2 seconds.
6. The display will show permanent DTC's stored in memory (see table on following page). Press right AUTO until all stored DTC's are displayed. Record each DTC as it is displayed.
7. Each malfunction (short circuit, open circuit, etc.) has a specific DTC. The letter E (Error) along with the hundredth digit of the DTC is displayed in the left window. The tenth and single digit of the DTC is displayed in the right window. By pressing the right AUTO button the next DTC stored in memory will be displayed.
8. Turn ignition OFF and repair recorded DTC's according to the respective diagnostic chart.
9. Turn ignition ON and press left AUTO button. A "d" (delete) is displayed in the left window.
By pressing the right AUTO button the DTC will be deleted from memory. Continue to press the left and right AUTO buttons until all DTC's are deleted from memory (display will show E000).
10. Return temperature selector wheels to normal setting.
Note: The red diode in the recirculation switch will blink during the test as of software status 6.2 (Bosch) or 06 (Kammerer).
DTC E001 - E013:
