Mazda MX-5 1990 Workshop Manual page 695

Anti-theft System
Note
AUDIO
T
• The anti-theft system is activated if the electrical power source is ever disconnected from the
audio unit. When the system is activated, the audio unit will not operate when reconnected
to a power supply, and CODE will flash on the display unit the correct code number is input.
If the anti-theft system is activated, reset the unit as described; refer to "If anti-theft system
is activated".
• The anti-theft system is activated in the following conditions;
1. Negative battery cable is disconnected.
2. Battery is discharged.
3. Audio unit connectors are disconnected.
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05UOTX-242
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05UOTX-245
Setting procedure
05UOTX-241
1 . Turn the audio unit off with the ignition switch ACC.
2. Push REW and FF simultaneously for approximately 2 sec-
onds until CODE is on the display.
3. Again push REW and FF while CODE is displayed (within
10 seconds). The display will exhibit bars.
Note
• Record the personal code number before attempt-
ing to input it.
4. While the bars are displayed, input the personal code num-
ber by pressing preset channel buttons 1, 2, 3 and 4.
Press 1 for the first digit, 2 for the second, 3 for the third,
and 4 for the last digit.
ex. Setting 2547
Press 1 three times, 2 six times. 3 five times and 4 eight
times.
Note
• If the display returns to time while inputing, begin
from the Step 1.
5. With the code number is displayed, press REW and FF ap-
proximately 2 seconds until a beep is heard and CODE be-
gin to flash.
6. After approximately 5 seconds, the display will change to
time. This indicates the system is set.
T-113