Test F: No Communication With The Electronic Automatic Temperature Control (EATC) Module

PINPOINT TEST F: NO COMMUNICATION WITH THE ELECTRONIC AUTOMATIC TEMPERATURE CONTROL (EATC) MODULE

F1-F2:

Normal Operation
Under normal operation, the EATC module receives a ground through circuit GD116 (BK/VT). The EATC module is supplied constant battery voltage through circuit SBP07 (WH/RD) and ignition switched voltage through circuit CBP20 (YE/VT).

Possible Causes
- Fuse(s)
- An open in circuit GD116 (BK/VT), SBP07 (WH/RD) or CBP20 (YE/VT)
- EATC module