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HHT Information

This information applies to MBNA HHT module version 2.07 only!

To diagnose the DAS control module, use the option IRCL (DAS 2/X).
To diagnose the IRCL control module with DAS X, use the option IRCL (DAS X).

Note:
The IRCL module in model 129 (part number 129 820 29 26) can only be diagnosed with the impulse counter.

Note:
In the "Activations" menu, the convenience opening and convenience closing activations may not work exactly as described on the HHT screen.

Version coding:
Upon selecting this menu item, you must first select the engine management type (i.e., HFM, IFI or ME). Once this is selected, you can exit from this screen (press < <, not <--|) and reach the version coding menu:

1 Vehicle model (140/202/463; 129; 210; 170)

2 Country version (USA/Japan; Rest of world)

3 Convenience feature (Yes/No)

4 Remote trunk release Yes/No) (Not possible in R129)

5 Lock confirmation via (blinker system and indicator lamps; indicator lamps)

6 Drive Authorization via (transponder)

7 Blinker actuation via (relay K54/CCM [202/463/210/170]; combi. relay module [129/140])

Note:
The designation K54 doesn't apply to each model.

Diagnostic Information
Complete diagnostic test information for the DAS-2a system is available in Chapter 4.7 of the Diagnostic Manual, Body & Accessories, Volume 1.

Complete diagnostic test information for the DAS-X system is available in chapter 4.8 of the Diagnostic Manual, Body & Accessories, Volume 1.

Notes & Hints:
All transponder coils are the same.
If the supply voltage (circuit 30) is less than 9 volts, the system is inoperative.
If the supply voltage is interrupted, the version coding and DTC memories remain intact.
IRCL is inoperative if circuit 15 is on.