Mazda 1990 323 Workshop Manual Supplement page 275

TROUBLESHOOTING GUIDE
K2
iTEP
INSPECTION ACTION
16 Check if engine stall speed is OK Yes Go to next step
c7 page K2-119
Engine stall speed: 2,550-2,650 rpm
No Check for cause (Refer to Evaluation)
v page K2-121
17 Check engine control system or
Try known good EC-AT control unit, control
valve assembly or replace transaxle
03UOK2-049
K2-99