Unit Terminals; Power Amplifier Relay Test - Acura NSX 1997 Service Manual

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Stereo Sound System

Unit Terminals

For MAST
ANTENNA
Terminal Wire
A 1
WHT Passenger's door speaker amplifier
A2 Driver's door speaker amplifier
WHT
A3 RED/BLK Lights-on signal
A4 WHT/YEL Constant power (Tuning memory)
A5 YEL/RED ACC (I) (Main stereo power supply)
Radio switched power (To antenna and
PNK/WHT
A6
relay)
A7 WHT Foot well bass speaker (Driver's
A8 WHT Foot well bass speaker (Passenger's
A9 ORN Passenger's door speaker amplifier
Driver's door speaker amplifier
A10 ORN
A 1 1
ORN/WHT Cellular phone mute signal
A 1 2 BLK/BRN Security (IN)
A13 BLK/LT GRN Security ground (G404)
BLK
A14 Ground (G401, G402, G403)
ORN
A15 Foot well bass speaker (Driver's
A16 ORN Foot well bass speaker (Passenger's
Table of Contents
DIN CONNECTOR
(for CD CHANGER)
For WINDOW
ANTENNA
Connects to
)
)
)
)

Power Amplifier Relay Test

1. Remove the power amplifier relay from under-hood
relay box B.
2. Check continuity at the relay terminals.
There should be continuity between the C and D
terminals.
There should be continuity between the A and B
terminals when power and ground are connect-
ed to the C and D terminals.
There should be no continuity between the A and
B terminals when power is disconnected.