Mazda 1990 323 Workshop Manual Supplement page 285

SELF-DIAGNOSIS FUNCTION
K2
CODE No.06 VEHICLE SPEED SENSOR
STEP
INSPECTION
ACTION
1 Are there any poor connections in vehicle speed Yes Repair connector and/or wiring
sensor circuit?
No Go to next step
2 Does EC-AT Tester display vehicle speed?
Yes Vehicle speed sensor OK
(Refer to page K2-116)
Cancel memory of code number or replace EC-AT control
unit
No Go to next step
3 Does vehicle speed sensor operate correctly?
Yes Check for open or short circuit in wiring from speedome-
(Refer to page *T-67)
ter to EC-AT control unit
No
Replace speed sensor (Refer to page *T-67)
* Refer to 1990 323 Workshop Manual (1195lo-89E).
03UOK2-055
Circuit Diaaram
"JU"
K2-109