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OBD - Onboard diagnostics |
| WABCO ATR-E (ATC) |
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Read out fault memory |
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Prerequisites: |
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- Vehicle at standstill
- Turn system selector switch to heating-ventilation-climate control (HLK) position (see electrical key)
- Drive switch on (drive switch to step 2, drive position)
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Fault output via display on control panel: |
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- Hold down check key (red) for at least two seconds
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Note: |
- The ATR electronics system comprises the control panel and three substations. Each control unit has a separate fault memory. The alphanumeric position to the far right of the display shows which control unit has sent the indicated fault (addresses 7, 8, A, E or F).
Use the "+" key on the control panel to scroll through the individual fault memories. Assignment of addresses for the Integro O 550 and Setra Kombibus:
Address |
Control equipment connector |
Connector configuration |
Control range |
7 |
8 A 2 |
Roof channel right |
Wall heaters right and left |
8 |
8 A 3 |
Roof channel right |
Roof left and right |
A |
8 A 4 |
Roof channel right |
Wall heaters rear and central right climate control system |
E, F |
2 A 10 |
On the control panel (left side by the driver's seat) |
Driver's seat/hot water supply |
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Explanation of display indications |
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a) |
Indication example: No fault on control unit 7. |
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b) |
Indication example: Control unit 8 is reporting no current faults, but has stored a fault (missing segment in segment bar at lower edge of display; in the example, this is segment no. 6) |
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c) |
Indication example: Control unit E is reporting a current fault (80 = driver's seat water valve). |
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Clear fault memory |
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- Press and hold down the check key with the drive switch at off,
- switch on the drive switch (step 2, drive position),
- release the check key after at least two seconds.
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Note: |
- All fault memories (for the four control units) will be cleared.
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