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

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

F1-F3:

F4-F12:

F12-F13:

Normal Operation
Under normal operation, the EATC module receives a ground through circuit 1203 (BK/LB). The EATC module is supplied constant battery voltage through circuit 483 (RD) and ignition switched voltage through circuit 1566 (RD/YE).

NOTE: For a complete explanation of the EATC system functions, refer to Description and Operation.

Possible Causes
- Fuse(s)
- An open in circuit 1203 (BK/LB), 483 (RD) or 1566 (RD/YE)
- EATC module