Specifications

DECELERATION CONTROL SYSTEM - CARBURETEDArticle Text (p. 2)

1984 Mazda RX7For iluvmyrx7.c

Fig. 1: Deceleration Control System

THROTTLE SENSOR

1) Warm engine to normal operating temperature. Stop engine

and connect tachometer. Disconnect Brown connector under air cleaner

on carbon canister side of engine.

2) Using 2 voltmeters, connect negative lead of each

voltmeter to each terminal in connector. Connect positive leads to

"B" terminal of alternator. See Fig. 2.

Fig. 2: Voltmeters Connected to Adjust Throttle Sensor

3) Start engine. Quickly decelerate engine from 3000 RPM and

make sure that current flows to both terminals when engine speed is

1000-1200 RPM. If current does not flow to both terminals at

specified speed, adjust throttle sensor.

4) To adjust sensor, remove cap from adjusting screw. Adjust

timing of current flowing to voltmeter A in Fig. 2 by turning

adjusting screw. Turning screw clockwise causes current to flow