Diagnosis Procedure
1.CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

Main line between HVAC and A-bag circuitIncreasing fuel economy
Keep your engine tuned up.
Follow the recommended scheduled maintenance.
Keep the tires inflated to the correct pressure.
Low tire pressure increases tire wear
and lowers fuel economy.
Keep the wheels in correct alignment. Improper
alignment increases tire wear and
lowers fuel eco ...
B2636, B2637, B2638, B2639, B2654, B2655 mode door motor
Description
COMPONENT DESCRIPTION
Mode Door Motor
The mode door motor (1) is attached to the heater & cooling unit
assembly.
It rotates so that air is discharged from the outlet set by the
A/C
auto amp. Motor rotation is conveyed to a link which activates the
mode door
DT ...
Tire Pressure Monitoring System (TPMS)
Each tire, including the spare (if provided),
should be checked monthly when cold and inflated
to the inflation pressure recommended by
the vehicle manufacturer on the vehicle placard
or tire inflation pressure label. (If your vehicle has
tires of a different size than the size indicated on
th ...