64 99... Reading out flashcode

WARNING: This page is about a different car, the 2003 BMW 530i, 2002 BMW 530i, and 2001 BMW 530i. However, it is still accessible from the selected car via links, so may be relevant.

TEST PRECONDITION:

Check function of independent park heater, refer to 64 12 005 CHECKING FUNCTION OF INDEPENDANT HEATING (THERMO TOP S) .

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.

Flashcode evaluation

FLASHCODE TROUBLESHOOTING

Flash Pulses	Fault Cause And Corrective Measures
1	Flame detector has short or break, refer to FAULT 02 FLAME DETECTOR
2	Overvoltage or undervoltage at heater, charge battery.
3	Temperature sensor has short-circuit, refer to FAULT 05 TEMPERATURE SENSOR
4	Flame detector defective (does not detect flame), refer to FAULT 02 FLAME DETECTOR
5	Flame detector defective (always detects flame), refer to FAULT 02 FLAME DETECTOR
None	Combustion air blower, refer to FAULT 01 COMBUSTION AIR BLOWER , or glow plug refer to FAULT 03 GLOW PLUG , or metering pump defective refer to FAULT 06 PARK HEATING METERING PUMP .