Revision Notes: Revision A (ECO C05747) initial release. Reflects the new model numbers for the Knight upgrade.
Revision B (ECO C07072) reflects the change in design of manual air vent valve and the update of FIG. 3 on page 8.
Revision C (ECO #C09197) updates made to the SMART SYSTEM control (ECR #R04523).
Revision D (ECO #C10143) reflects updates made to the ignition timing information.
04/12