Code 14 (Ignition Signal Problem)
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 1989 Toyota Van, 1989 Toyota Pickup, 1989 Toyota MR2, 1989 Toyota Corolla, and 1989 Toyota Celica. However, it is still accessible from the selected car via links, so may be relevant.
ECU will store trouble code No. 14 in memory if it does not receive "IGF" (ignition detection) signal 6-8 times in succession.