DIS Tester Checks
WARNING: This page does not describe the selected car, but rather 41 other vehicles, including the 2003 BMW M5, 2003 BMW M3, 2003 BMW 540i, 2003 BMW 530i, and 2003 BMW 525i. However, it is still accessible from the selected car via links, so may be relevant.
- Instrument cluster temperature gauge and Engine Control Module temperature value indicate engine coolant temperature is normal.
- IHKR/IHKA has no faults in memory and the system is not operating with stored substitute values.
- Water valves open/close correctly, heater core temperature sensors indicate that the heater cores cool down on system cue.
- Outlet flaps operate correctly, actual air discharge locations agree with tester indicated flap open/closed positions.
- A/C compressor clutch energizes on system cue with engine running. (Many systems will not energize the compressor clutch with the ignition switched on, engine not running.)