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age signal to the RF cable. When the voltage
signal is low, the amplifier sends the FM 1 sig-
nal. When the voltage level is high, it sends the
FM 2 signal. The FM 1 and FM 2 inputs are
continuously checked for the clearest signal.
The diversity module then checks the signal
from FM1/FM2 with the signal from FM 3. The
clearest of these signals will always be sent to
the radio for FM reception.
FZV Antenna
The RF receiver module (315MHz) is integrated into the antenna amplifier.The receiver
has a separate KL30 power supply for its operation. Signal from the FZV key are
processed by the module and sent to the GM for locking/unlocking functions over a ded-
icated line.
21
E46SptWgn/ST039/3/17/00
AUDIO SYSTEM SPEAKERS
The rear speakers for the sound system are mounted on the left and right wheel housing
behind the trim covers
If the Navigation system is installed in the Sport wagon, the GPS receiver module is installed
under the load floor in front of the spare tire well.
GPS RECEIVER MODULE
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22
E46SptWgn/ST039/3/17/00
REVIEW QUESTIONS
1. What are the similarities between the E46 and E39 Sport Wagon tail gates?
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2. What change was designed into the E46 Sport Wagon rear seat and why ?
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3. Describe the E46 Sport Wagon antenna system s operation.
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4. Where is the emergency release for the tailgate located on the E46 Sport Wagon ?
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5. What rear window wiping stage occurs when shifting into reverse?
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23
E46SptWgn/ST039/3/17/00
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