Defect Code 07

Defect code 07:

•D• 900 Defect code memory: 07 Air mass meter (HLM):

Explanation: This defect code is stored when a short or a break occurs at the air mass meter HLM. The DME control unit then operates with fixed substitute values load signal tL = 3.0 ms and ignition angle = 18...20° crank angle - when engine is not running at idle speed.

Troubleshooting: As displayed on screen. For test values, see - Component Testing -.
Air Mass Meter (HLM)