Mazda 1990 323 Workshop Manual Supplement page 286

K2
SELF-DIAGNOSIS FUNCTION
CODE No.12 THROTTLE SENSOR
STEP
INSPECTION ACTION
1 Are there any poor connections in throttle sensor Yes Repair connector and/or wiring
circuit?
NO
Go to next step
2 Does EC-AT Tester display throttle sensor volt- Yes Throttle sensor OK
age? (Refer to page K2-116) Cancel memory of code number or replace EC-AT control
unit
No
Go to next step
3 Is variable resistor of throttle sensor OK? Yes Check for open or short circuit in wiring from throttle sen-
(Refer to page *F-143) sor to EC-AT control unit
No Replace throttle sensor
* Refer to 1990 323 Workshop Manual (1195-lo-89E).
03UOK2-056
Circuit Diaaram
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