CHECK MODE DOOR ACTUATOR.

1) Disconnect the mode door actuator connector.

2) Use a tester to measure the resistance between mode door actuator terminals.

Connector & terminal

(B77) No. 3 — No. 1:

(B77) No. 3 — No. 2:

(B77) No. 3 — No. 5:

(B77) No. 3 — No. 6:

QUESTION

Is the resistance between 80 — 100 Ω?

Yes No

Replace the mode door actuator.