Electronic 4-Speed Automatic Transmission AF 13 / 14 / 20 / 22 F2:TROUBLE CODE TABLE
Trouble
Code
Information Sensor
Cause of Fault
Remedy in
F0:DATA LIST
No.
Trouble Code Storage when ...
Remarks
31
NO ENGINE RPM
SIGNAL
27
Automatic Transmission as of Model Year '90
· Engine speed higher than 2000 rpm
· Vehicle speed range 24 km/h to 91 km/h (15 to 56.5 mph)
· No transmission input speed signal recognized