EMR no. | Display of actual values with HHT | Actual value no. FDS/FSS | Operation/requirement | Specified value HHT (FDS/FSS) | Note |
14 | Retarder recognition | EMR/M09 | Ignition: ON On vehicles with retarder, engage stages 1 – 5. With FDS/FSS cruise control switch not operated, and with automatic transmission (special equipment) stage N not engaged. On vehicles without retarder. On vehicles with retarder switched off. With FDS/FSS cruise control switch not operated. | ON (+00101) OFF (+00000) The figure underlined indicates the actual value concerned (this value can only be 0 or 1). | The input signal (connector VI, pin 10/4) from the retarder (to switch off the cruise control) is checked. If OFF (+00000) is displayed with retarder switched on: – Relay K6 on the relay carrier A31 is defective – Cable/connectors to relay carrier A31, open-circuit or short-circuit to ground. The connection does not have to connected as the function is provided by means of the engine brake input (actual value 19, M11 on FDS). |