64 99 ... Reading out flashcode: Instruction:
Connect inspection lamp to glow plug above peripherals box (pin allocation: refer to DIS circuit diagram). Switch on independent heating via MID or on-board monitor, switch off after 3 minutes running time and, once after-running time has elapsed, count the number of flash pulses.
NOTE:
If there is a fault, park heating switches to fault overrun automatically after 2 minutes.