Information For Vehicles With Electronic Anti-Lock/Anti-Skid Brakes; Installation Warnings; Installation Precautions; Braking System Tests - Motorola Radius CM200 Installation Manual

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Information for Vehicles with
Electronic Anti-Lock/Anti-Skid Brakes
The following installation suggestions and test procedures are recommended for vehicles with electronic anti-
lock/anti-skid brakes. Refer to your vehicle service manual for your vehicle's braking system, or contact your
dealer directly.

Installation Warnings

Disruption of the anti-skid/anti-lock braking system by the radio transmitter may result in
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unexpected vehicle motion.
Motorola recommends the following radio installation precautions and vehicle braking
WARNING
system test procedures to ensure that the radio, when transmitting, does not interfere with
the operation of the vehicle braking system.

Installation Precautions

1. Always provide as much distance as possible between the braking modulator unit and the radio, the radio
antenna, and associated transmission line. Before installing the radio, determine the location of the brak-
ing modulator unit in the vehicle. Depending on the make and model of the vehicle, the braking modulator
unit may be located in the trunk, under the dashboard, in the engine compartment, or in some other cargo
area. If you cannot determine the location of the braking modulator unit, refer to the vehicle service man-
ual or contact a dealer for the particular make of the vehicle.
2. If the braking modular unit is located on the left side of the vehicle, install the radio on the right side of the
vehicle, and conversely.
3. Route all radio wiring, including the antenna transmission line, as far away as possible from the braking
modular unit and associated braking system wiring.
4. Never activate the radio transmitter while the vehicle is in motion and the vehicle trunk lid is open.

Braking System Tests

Be sure the following vehicle testing is done in an isolated area. The following procedure checks for the most
common types of interference that may be caused by a radio transmitter to a vehicle braking system:
1. Run the vehicle engine at idle speed and set the vehicle transmission selector to PARK. Release the brake
pedal completely and key the radio transmitter. While NOT speaking into the microphone, verify that there
are no unusual effects (visual or audible) to the vehicle lights, or other electrical equipment and accesso-
ries.
2. Repeat Step 1, except do so while speaking into the microphone.
3. Press the vehicle brake pedal slightly; just enough to illuminate the vehicle brake light(s). Then repeat
Steps 1 and 2.
4. Press the vehicle brake pedal firmly and repeat Steps 1 and 2.
5. Ensure that there is a minimum of two vehicle lengths between the front of the vehicle and any object in
the vehicle's forward path. Then, set the vehicle transmission selector to DRIVE. Press the brake pedal
just far enough to stop the vehicle motion completely. Key the radio transmitter. Verify that the vehicle does
not start to move while NOT speaking into the microphone.
6. Repeat Step 5, except do so while speaking into the microphone.
7. Release the brake pedal completely and accelerate the vehicle to a speed between 15 and 25 miles (25
and 40 kilometers) per hour. Ensure that a minimum of two vehicle lengths is maintained between the front
of the vehicle and any object in the vehicle's forward path. Have another person key the radio transmitter,
and verify that the vehicle can brake normally to a moderate stop while NOT speaking into the micro-
phone.