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Test F: The EATC System Is Inoperative, Intermittent or Incorrect Operation

PINPOINT TEST F: THE EATC SYSTEM IS INOPERATIVE, INTERMITTENT OR INCORRECT OPERATION


F1:






F2-F10:






F11-F13:






Normal Operation
Under normal operation, the electronic automatic temperature control (EATC) module is grounded through circuit 676 (PK/OG). The EATC module receives battery voltage through circuit 22 (LB/BK) and ignition voltage through circuit 296 (WH/VT).

Possible Causes
- Fuse(s)
- An open in circuit 22 (LB/BK), 296 (WH/VT) or 676 (PK/OG)