64 99... Fault 03 Glow plug
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:
Overheating protection not active. Voltage supply at independent parking heater O.K.
Instruction:
Switch on independent heater via MID or on-board monitor.
Measure voltage of glow plug at peripherals box (pin allocation: refer to DIS circuit diagram).
Specified value: Voltage switches between 0V and 12V
FAULT 03 GLOW PLUG TROUBLESHOOTING
| Question | Measure | |
|---|---|---|
| Is supply voltage O.K.? | No | Replace independent parking heater control unit, refer to 64 12 520 REMOVING AND INSTALLING/REPLACING CONTROL UNIT WITH HEAT EXCHANGER (THERMO TOP S) . |
| Yes | Switch off park heating, remove connector from glow plug and measure resistance. | |
| Specified value: 3 Ω +/- 1 Ω Is measured value within valid range? |
No | Replace glow plug, refer to 64 12 505 REMOVING AND INSTALLING/REPLACING GLOW ELEMENT (THERMO TOP S) . |
| Yes | Glow plug is O.K. | |