Test Point 4 - Flap Control

Test Point 4 - FLAP CONTROL

4. Flap Control (Test Lamp)

Remove control switch; plug remains connected.

Run engine at idle speed and set blower switch to maximum speed.

4.1 Circulating Air Flap

Program switch in off position.

Control switch plug term. 9 and 10 must have approx. 12 V and circulating air flap must be open (air circulated).

If not: Check 6-pin plug term. 1 (black/white) (center console) approx. 12 V.
Check voltage on blue connection of circulating air solenoid valve (approx. 12 V).
Replace solenoid valve, if vacuum is okay and flap vacuum box works.

Circulating air flap must close when setting program switch to DASH (fresh air).

4.2 Defroster Flap

Program switch in OFF/DASH/FOOTWELL.

Approx. 12 V on control switch term. 2 and 10; defroster flap must be closed.

If not: Check 6-pin plug term. 1 (black/white) (center console) (approx. 12 V).
Check for approx. 12 V on green connection of defroster solenoid valve.
Replace solenoid valve if vacuum is okay and flap vacuum box works.

Defroster flap must be open, when program switch is set to BI/WINDSHIELD/DEF.

4.3 Footwell Flap

Set program switch to BI/WINDSHIELD.

There should be approx. 12 V on control switch plug term. 1 and 10; footwell flap must be open.

If not: Check 6-pin plug term. 1 (black/white) (center console) (approx. 12 V).
Check for approx. 12 V on yellow connection of footwell solenoid valve.
Replace solenoid valve, if vacuum is okay and flap vacuum box works.

Footwell flap must close, when program switch is moved to OFF/DASH/BI/DEF