Test B

PINPOINT TEST B: THE DATC SYSTEM IS INOPERATIVE, INTERMITTENT OR INCORRECT OPERATION

Test B1-B3:

Test B4-B12:

Test B12-B13:

Normal Operation
Under normal operation, the Dual Automatic Temperature Control (DATC) module receives battery voltage through circuit 29-FA10 (OG/GN) and ignition voltage through circuit 20-FA10 (PK/OG). A ground is provided for the DATC module through circuit 31-FA10 (BK).

Possible Causes
- An open in circuit 29-FA10 (OG/GN), 20-FA10 (PK/OG) or 31-FA10 (BK).
- DATC module.