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1975 Datsun 280z FSM - Spooled up Racing

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Body Electrical System<br />

EMISSION WARNING SYSTEM<br />

CONTENTS<br />

CATALYZER WARNING SYSTEM<br />

WARNING LAMP<br />

TROUBLE SHOOTING GUIDE<br />

BE-109<br />

BE-109<br />

BE-111<br />

FLOOR TEMPERATURE WARNING<br />

SYSTEM<br />

WARNING LAMP<br />

TROUBLE SHOOTING GUIDE<br />

BE-111<br />

BE-111<br />

BE-113<br />

CATALYZER<br />

WARNING SYSTEM<br />

(for California)<br />

The catalyzer warning system consists<br />

of a catalyzer temperature sensor,<br />

switching module, catalyzer warning<br />

lamp, catalyzer hold relay and harnesses.<br />

If the temperature of the catalyzer<br />

rises abnormally exceeding<br />

1,100°C (2,012°F), the catalyzer<br />

warning lamp lights to indicate an<br />

abnormal condition in the engine. The<br />

warning lamp also lights during operation<br />

of the starter motor, permitting<br />

inspection of the lamps condition. The<br />

lamp goes out after the engine starts.<br />

Refer to Section EC for details.<br />

Lamp body replacement<br />

1. Pull heater control knobs off.<br />

2. Remove four screws retaining instrument<br />

finisher to instrument panel.<br />

3. Pull instrument finisher forward<br />

slightly, and disconnect lead wires at<br />

three connectors. Instrument finisher<br />

can then be removed from instrument<br />

panel.<br />

Note: Three connectors are for map<br />

lamp, catalyzer warning lamp<br />

(California models) and floor temperature<br />

warning lamp (California<br />

models).<br />

4. Remove two screws retaining<br />

warning lamp body to instrument<br />

finisher. Lamp body can then be taken<br />

out.<br />

5. Installation is in the reverse sequence<br />

of removal.<br />

WARNING LAMP<br />

Bulb replacement<br />

1. Pull heater control knobs off.<br />

2. Remove four screws retaining instrument<br />

finisher to instrument panel.<br />

3. Pull instrument finisher forward<br />

slightly, and disconnect lead wires at<br />

three connectors. Instrument finisher<br />

can then be removed from instrument<br />

panel.<br />

Note: Three connectors are for map<br />

lamp, catalyzer warning lamp<br />

(California models) and floor temperature<br />

warning lamp (California<br />

models).<br />

BE654A<br />

WW<br />

4. Twist socket behind warning<br />

lamp and take out socket with bulb.<br />

5. Installation is in the reverse sequence<br />

of removal.<br />

Bulb wattage:<br />

Catalyzer warning lamp . . 1-4W<br />

BE-109<br />

BE617A<br />

1 Catalyzer warning lamp<br />

2 Map lamp<br />

3 Floor temperature warning lamp<br />

Fig. BE-178<br />

Catalyzer warning lamp

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