Throttle Sensor Adjustment; Throttle Sensor Replacement - Mazda MX-5 1990 Workshop Manual

CONTROL SYSTEM
F
05UOFX-216
3. Insert a feeler gauge between the throttle stop screw and
the stop lever.
4. Note the operation of the buzzer or the continuity between
terminals.
Feeler gauge Buzzer
Continuity between terminals
IDL~TL POW~TL
OAmm (0.016 in)
Yes Yes No
0.7mm (0.027 in)
No
No No
Wide-open throttle Yes
No Yes
Adjustment
1. Disconnect the connector from the throttle sensor and con-
nect the SSTs.
2. Insert a 0.4mm (0.016 in) feeler gauge between the throt-
tle stop screw and the stop lever.
3. Loosen the two attaching screws.
4. Rotate the throttle sensor clockwise approx. 30 degrees,
then rotate it back counterclockwise until the buzzer sounds.
5. Replace the feeler gauge with a 0.7mm (0.027 in) gauge.
6. Verify that the buzzer does not sound.
7. If it sounds, repeat Steps 3 through 6.
8. Tighten the two attaching screws.
Note
• Do not move the throttle sensor from the set posi-
tion when tightening the screws.
9. Open the throttle valve fully a few times.
10. Recheck the adjustment of the throttle sensor.
Replacement
1. Disconnect the throttle sensor connector.
2. Remove the throttle sensor mounting screws.
3. Remove the throttle sensor.
4. Install in the reverse order of removal.
Tightening torque:
1.6-2.4 N·m (16-24 em-kg, 13.9-20.8 in-Ib)
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