Notes On INTERMITTENTS

If intermittent code is being set, manipulate related wiring while observing parameter "BD23". If failure is induced, door reading will either stop or jump to an extreme value (0% or 100%). This will help to isolate location of malfunction.

Fig 1: Schematic, Code B440 - Air Mix Door Problem

Fig 2: Flow Chart, Code B440 - Air Mix Door Problem

Fig 3: Flow Chart, Code B440 - Air Mix Door Problem