Mazda 1983 RX7 - Testing

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CRUISE CONTROL SYSTEM

Article Text (p. 2)

1983 Mazda RX7

For www.iluvmyrx7.com

Sunday, August 26, 2001 03:28PM

Faulty actuator, control switch or unit. Actuator control

cable malfunction.

TESTING

1) Support vehicle with drive wheels off of ground. Turn

ignition switch ON. With control unit connected, connect negative

probe of voltmeter to terminal M of control unit connector. Refer to

CRUISE CONTROL UNIT CONNECTOR DIAGRAM. Test terminals D through N. See

CRUISE CONTROL UNIT TESTING table. If values do not match those

specified, check appropriate circuits. If values do match those

specified, go to next step.

2) Start engine and switch cruise control main switch ON.

Increase speed until 30 MPH is indicated and push cruise control SET

button. Connect negative probe of voltmeter to terminal M of control

unit connector. Test terminals A through C. See

CRUISE CONTROL UNIT TESTING table. If values do not match those

specified, check appropriate circuits.

Cruise Control Unit Connector Diagram

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CRUISE CONTROL UNIT TESTING TABLE

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Terminal

Action

Voltage