AUXILIARY CONTROL DEVICE
Article Text
1983 Mazda RX7
For www.iluvmyrx7.com
Copyright © 1998 Mitchell Repair Information Company, LLC
Sunday, August 26, 2001 04:58PM
ARTICLE BEGINNING
1983 Exhaust Emission Systems
MAZDA RX7 AUXILIARY CONTROL DEVICE
DESCRIPTION
In addition to the regular exhaust emission control systems
previously described, RX7 models use an auxiliary control device.
This unit works in conjunction with emission systems previously
explained.
The components of the auxiliary control device include the
control unit, choke switch, choke magnet, choke relay, and 2 water
temperature switches.
TESTING
CONTROL UNIT
1) Engine must be at normal operating temperature and
transmission in Neutral (Park on A/T models). Check the control unit
according to Control Unit Testing chart.
2) When more than 1 Checking Condition is listed, all
conditions must be checked. Connect the negative probe of voltmeter
to terminal "P" and positive probe to other terminals as described.
3) If a problem exists, check circuit to which terminal is
connected. If circuit is normal, replace control unit.
NOTE : Disconnect electrical coupler from throttle sensor
on carburetor and connect a known good throttle sensor
to coupler.
Fig. 1: Terminal Locations of Control Unit & Throttle Sensor
Unit is located under left side of dashboard.
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