Audio System Description

Overview


The audio unit acts as the ‘‘processor'' for all audio functions. Select audio functions from the audio unit, the audio remote (on steering wheel). The audio display provides the current audio status.

The cassette player unit signal to the audio unit. In addition communicates with the audio unit via the GA-Net bus.

A security signal is daisy-chained between the audio and vehicle components for integration into the vehicle's security system.

 

Audio Unit Connector for Inputs and Outputs


When replacing an audio unit connector, match the wires to the cavities listed in the following table.

6CD type 

1CD type 

1DIN 1CD type 

Except 1DIN 1CD type
Cavity Wire Connect to 
A1 RED Dash lights brightness controller 
A2 BRN Left rear speaker (-) 
A3 PNK Left front door speaker (-),
Left tweeter (-) 
A4 GRN Multiplex integrated control unit (MICU) (SCTY RADIO) 
A5 ——— Not used 
A6 LT BLU Multiplex integrated control unit (MICU) (K-LINE) 
A7 BRN Right front door speaker (-),
Right tweeter (-) 
A8 ORN Right rear speaker (-) 
A9 BLK Ground (G505) 
A10 GRY Lights-on signal 
A11 YEL Left rear speaker (+) 
A12 LT GRN Left front door speaker (+),
Left tweeter (+) 
A13 BLU ECM/PCM (VSP) 
A14 PUR Multiplex integrated control unit (MICU) (ACC RADIO) 
A15 GRY Right front door speaker (+),
Right tweeter (+) 
A16 BLU Right rear speaker (+) 
A17 WHT Multiplex integrated control unit (MICU) (+B BACK UP) 

1DIN 1CD type
Cavity Wire Connect to 
A1 YEL Antenna module unit
(SWD +B) 
A2 PUR Multiplex integrated control unit (MICU) (ACC RADIO) 
A3 ——— Not used 
A4 GRN Multiplex integrated control unit (MICU) (SCTY RADIO) 
A5 BLU Right rear speaker (+) 
A6 YEL Left rear speaker (+) 
A7 GRY Right front door speaker (+), Right tweeter (+) 
A8 LT GRN Left front door speaker (+), Left tweeter (+) 
A9 GRY Lights-on signal 
A10 WHT Multiplex integrated control unit (MICU) (+B BACK UP) 
A11 ——— Not used 
A12 ——— Not used 
A13 ——— Not used 
A14 ——— Not used 
A15 ORN Right rear speaker (-) 
A16 BRN Left rear speaker (-) 
A17 BRN Right front door speaker (-), Right tweeter (-) 
A18 PNK Left front door speaker (-), Left tweeter (-) 
A19 RED Dash lights brightness controller 
A20 BLK Ground (G505) 

1DIN 1CD type
Cavity Wire Connect to 
B1 LT BLU Cassette player unit
(+B (2)) 
B2 BRN Cassette player unit
(SYSTEM ACC) 
B3 ——— Cassette player unit
(GND (2)) 
B4 ——— Cassette player unit
(SHIELD) 
B5 RED Cassette player unit
(R CH+) 
B6 WHT Cassette player unit
(L CH+) 
B7 PNK Cassette player unit
(+B (1)) 
B8 YEL Cassette player unit
(ILLUMI) 
B9 ORN Cassette player unit
(BUS+) 
B10 GRY Cassette player unit
(BUS-) 
B11 PUR Cassette player unit
(GND (1)) 
B12 BLU Cassette player unit
(PARKING GND) 
B13 GRN Cassette player unit
(R CH-) 
B14 BLK Cassette player unit
(L CH-) 

Excepet 1DIN 1CD type
Cavity Wire Connect to 
B1 ——— Not used 
B2 ——— Not used 
B3 BRN Auxiliary jack assembly
(AUX SGND) 
B4 GRY Auxiliary jack assembly
(AUX SHIELD GND) 
B5 BLU Auxiliary jack assembly
(AUX GND) 
B6 BRN Radio remote switch
(AUDIO REMOTE GND) 
B7 PNK Radio remote switch
(AUDIO REMOTE SW) 
B8 ——— Not used 
B9 ——— Not used 
B10 ——— Not used 
B11 ——— Not used 
B12 ——— Not used 
B13 YEL Auxiliary jack assembly
(AUX L) 
B14 GRN Auxiliary jack assembly
(AUX R) 
B15 WHT Auxiliary jack assembly
(AUX DET) 
B16 ——— Not used 
B17 ——— Not used 
B18 ——— Not used 
B19 ——— Not used 
B20 ——— Not used 

Except 1DIN 1CD type
Cavity Wire Connect to 
C1 ——— Antenna module unit
(SIG) 
C2 ——— Antenna module unit
(SH (AM/FM)) 
C3 ——— Antenna module unit
(SWD+B) 

Cassette Player Unit Connector for Inputs and Outputs


When replacing an cassette player unit connector, match the wires to the cavities listed in the following table.

 

Cavity Wire Connect to 
LT BLU Audio unit (+B (2)) 
BRN Audio unit (SYSTEM ACC) 
——— Audio unit (GND (2)) 
——— Audio unit (SHIELD) 
RED Audio unit (R CH+) 
WHT Audio unit (L CH-) 
PNK Audio unit (+B (1)) 
YEL Audio unit (ILLUMI) 
ORN Audio unit (BUS+) 
10 GRY Audio unit (BUS-) 
11 PUR Audio unit (GND (1)) 
12 BLU Audio unit (PARKING GND) 
13 GRN Audio unit (R CH-) 
14 BLK Audio unit (L CH-) 

Auxiliary Jack Assembly Connector for Inputs and Outputs


When replacing an auxiliary jack assembly connector, match the wires to the cavities in the following table.


 

Cavity Wire Connect to 
WHT Audio unit (AUX DET) 
BLU Audio unit (AUX GND) 
BRN Audio unit (AUX SGND) 
YEL Audio unit (AUX L) 
GRN Audio unit (AUX R)