Stereo Soun d Syste m
Audio Uni t Terminal s
'02-03 Mode ls Withou t Navigatio n System :
'0 2-03 Mode ls Wit h Navigatio n System :
ProCarManuals.com
Emergency call operation:
Button/Item
Emergency button
OnStar button
Dot button
Speaker
Phone line
LED indicator
Audio volume
Pre-call status
Button is pushed
Waiting
Green light
Call in progress
Emergency call in progress
This button is inactive during an emergency call
Ends emergency call when pushed
Sound of system calling
Connecting to call cen-
ter
Call center communication
Linking to
call center
Flashing green light
Call ends
(Dot button
pushed)
Post-call status
Waiting
Green light
Can be adjusted at any time by turning the volume knob
OnStar Call operation:
Button/Item
Emergency button
OnStar button
Dot button
Speaker
Phone line
LED indicator
Audio volume
Pre-call status
Button is pushed
Waiting
Green light
Call in progress
Will switch over to an emergency call when pushed
OnStar service call in the progress
Ends OnStar service call when pushed
Sound of system calling
Connecting to call
center
Call center communication
Linking to
call center
Call ends
(Dot button
pushed)
Flashing green light
Post-call status
Waiting
Green light
Can be adjusted at any time by turning the volume knob
Voice recognition operation:
Button/Item
Emergency button
OnStar button
Dot button
Speaker
Phone line
LED indicator
Audio volume
Pre-call status
Button is pushed
Waiting
Green light
Voice recognition mode in use
Will switch over to an emergency call when pushed
Will switch over to OnStar service call when pushed
Voice recognition mode is activated ends the voice
recognition mode when pushed a second time
"Ready"
Acknowledgement
Waiting
Feedback sound of voice recog-
nition
for verbal command
Green light
Post-call status
Waiting
Green light
Can be adjusted at any time by turning the volume knob
Voice recognition for cellular phone:
Button/Item
Emergency button
OnStar button
Dot button
Speaker
Phone line
LED indicator
Audio volume
Pre-call status
Button is pushed
Waiting
Green light
Voice recognition mode for cellular phone in use
Will switch over to an emergency call when pushed
Will switch over to OnStar service call when pushed
Voice recognition mode is activated ends the voice
recognition mode when pushed a second time
"Ready"
Acknowled-
gement
Feedback
sound of voice
recognition
Waiting for verbal command
Green light
Conversation in
progress
Linking to phone network
Flashing green light
Post-call status
Waiting
Green light
Can be adjusted at any time by turning the volume knobProCarManuals.com
OnStar System ('02 Model USA)
OnStar Control Unit Input Test (cont'd)
Disconnect the connectors from the unit
Cavity Wire Test condition
Test: Desired result
Possible cause if result is not obtained
B17
B22
A32
B6
B3
B2
B9
B18
B32
WHT/YEL
WHT
BLK
ORN
RED/GRN
BLK
Under all conditions
Ignition switch in ACC
(I)
Under all conditions
Under all conditions
Under all conditions
Under all conditions
Check for voltage to ground:
There should be battery voltage.
Check for voltage to ground:
There should be battery voltage.
Check for continuity to ground:
There should be continuity.
Connect to ground:
All horns should sound.
Connect to ground:
The taillights should come on.
Check for continuity to ground:
There should be continuity.
• Blown No. 56 (7.5 A) fuse in the
under-hood fuse/relay box
• An open in the wire
• Blown No. 4 (10 A) fuse in the
under-dash fuse/relay box
• An open in the wire
• Poor ground (G601)
• An open in the wire
• Blown No. 39 (15 A) fuse in the
under-hood fuse/relay box
• Faulty horn relay
• Either horn faulty
• Poor ground (G201)
• An open in the wire
• Blown No. 1 (15 A) fuse in the
under-dash fuse/relay box
• Faulty taillight relay
• Faulty taillight system
• An open in the wire
• An open in the wire
Reconnect the connectors to the unit
Cavity Wire
Test condition
Test: Desired result
Possible cause if result is not obtained
B20
B5
A8
A25
A10
A11
A23
A24
GRN/WHT
GRN/RED
GRY
BRN/YEL
WHT
BLU/RED
BLK
WHT
Front passenger's door
lock key cylinder in neu-
tral position
Front passenger's door
lock key cylinder in
locked position
Front passenger's door
lock key cylinder in neu-
tral position
Front passenger's door
lock key cylinder in
unlocked position
Under all conditions
Under all conditions
OnStar "DOT" button
pushed and human
advisor voice comes
on.
OnStar "DOT" button
pushed and human
advisor voice comes
on.
Under all conditions
Ignition switch in ACC
(I). OnStar "DOT" but-
ton pushed. Speak into
the microphone.
Check for voltage to ground:
There should be battery voltage.
Check for voltage to ground:
There should be less than 1 V.
Check for voltage to ground:
There should be battery voltage.
Check for voltage to ground:
There should be less than 1 V.
Check for continuity to ground:
There should be continuity.
Check for continuity to ground:
There should be continuity.
Check for voltage between the A10
terminal and audio unit C9 or B2
terminal:
There should be 1 V or less.
Check for voltage between the A11
terminal and audio unit C8 or B3
terminal:
There should be 1 V or less.
Check for continuity to ground:
There should be continuity.
Check for voltage to ground:
There should be about 4 V.
• Faulty front passenger's door lock
key cylinder switch
• Poor ground (G401, G402)
• An open in the wire
• Short to ground (if you don't have
5 V when you should)
• An open in the wire
• An open in the wire
• Faulty audio unit
• Faulty speaker
• An open in the wire
• Faulty audio unit
• Faulty speaker
• An open in the wire
• Faulty OnStar buttons and microphone
• An open in the wire
• Faulty OnStar buttons and micro-
phone
• An open in the wireProCarManuals.com
Disconnect the connectors from the unit
Cavity Wire Test condition
Test: Desired result
Possible cause if result is not obtained
A1
A7
BLK
Under all conditions
Check for continuity to ground:
There should be continuity.
• An open in the wire
Reconnect the connectors from the unit
Cavity Wire Test condition
Test: Desired result
Possible cause if result is not obtained
B2
B3
B4
B5
A12
A3
A9
A6
A10
A8
A5
A2
A4
B13
B14
BLU/YEL
YEL/GRN
ORN
WHT/GRN
BLU
PUR
ORN
ORN
BLU
BLK
ORN
GRN
PUR
PNK
GRN
Ignition switch in ACC (I)
Ignition switch in ACC (I)
With the ignition switch
OFF, press and hold the
"DOT" button. Turn the
ignition switch from OFF
to ACC three times and
back to ACC, then release
the "DOT" button.
Ignition switch in ACC (I)
Ignition switch in ACC (I)
Ignition switch turned
OFF
With the ignition switch
OFF, press and hold the
"DOT" button. Turn the
ignition switch from OFF
to ACC three times and
back to ACC, then release
the "DOT" button.
Ignition switch in ACC (I)
Under all conditions
Ignition switch in ACC (I)
Ignition switch in ACC (I)
OnStar "DOT" button
pushed
Ignition switch in ACC (I)
Ignition switch in ACC (I)
Ignition switch in ACC (I)
Ignition switch in ACC (I) On-
Star "DOT" button pushed
Ignition switch in ACC (I)
Check for voltage to ground:
There should be approx 8V.
Check for voltage to ground:
"DOT" button pushed: 280mV
"OnStar" button pushed: 1V
"Emergency" button pushed: 1.7V
Check for voltage to ground:
There should be 4V.
Check for voltage to ground:
There should be about 8V.
Check for voltage to ground:
There should be no voltage.
Check for voltage to ground:
There should be 10V.
Check for voltage to ground:
There should be 4V.
Check for voltage to ground:
There should be less than 1V.
Check for continuity to ground:
There should be continuity.
Check for voltage to ground:
There should be about 8V.
Check for voltage to ground:
There should be about 8V.
Check for voltage to ground:
There should be about 8V.
Check for voltage to ground:
There should be about 8V.
Check for voltage to ground:
"DOT" button pushed: 280mV
"OnStar" button pushed: 1V
"Emergency" button pushed: 1.7V
Check for voltage to ground:
There should be about 8V.
Check for voltage to ground:
There should be about 4V.
• Blown No. 56 (7.5 A) fuse in the
under-hood fuse/relay box
• An open in the wire
• Faulty OnStar button
• An open in the wire
• Faulty OnStar button
• An open in the wire
• Faulty OnStar button
• An open in the wire
• An open in the wire
• An open in the wire
• An open in the wire
• Poor ground (G401, G402)
• An open in the wire
• An open in the wire
• An open in the wire
• An open in the wire
• An open in the wire
• An open in the wire
• Faulty audio unit
• An open in the wire
• Faulty SRS unit
• An open in the wireProCarManuals.com
Audio System
Component Locatio n Inde x
SRS components are located in this area. Review the SRS component locations, precautions, and procedures in the SRS
section (24) before performing repairs or service.
AUDI O UNI T
Removal , '96-01 3.5R L servic e
manual , P/ N 61SZ305 , pag e 23-15 0
Terminals , pag e 23-3 7
RADI O REMOT E SWITC H
Test ,
'96-0 1 3.5R L servic e
manual , P/ N 61SZ305 ,
pag e 23-15 4
Cabl e Ree l Test ,
se e sectio n 24 . X
M ANTENN A
Replacement , pag e 23-4 2
WINDO W ANTENN A
Test, '96-0 1 3.5R L servic e manual ,P/N 61SZ305 , pag e 23-15 5
Repair , '96-01 3.5R L servic e manu -
al , P/ N 61SZ305 , page 23-15 5
RIGHT REA R DOO R SPEAKE R
Replacement , '96-01 3.5R L servic emanual , P/ N 61SZ305 , pag e 23-15 3
AUDIO AMPLIFIE R
Terminals , pag e 23-3 6
Removal ,
'96-01 3.5R L Servic e
manual , P/ N 61SZ305 , pag e 23-15 2
LEFT TWEETE RReplacement , '96 - 0 1 3.5R L
servic e manual , P/ N
61SZ305 ,page 23-15 3
LEFT TWIDDLE RReplacement , '96-01 3.5R L
servic e manual , P/ N
61SZ305 ,page, 23-15 3
DRIVER' S DOO R SPEAKE RReplacement , '96-01 3.5RL servic e
manual , P/ N 61SZ305 , pag e 23-15 3
REAR SPEAKER SReplacement , '96-01 3.5R Lservic e manual , P/ N 61SZ305 ,
pag e 23-15 3
LEFT REA R DOO R SPEAKE RReplacement , '96-01 3.5RL servic e
manual , P/ N 61SZ305 , pag e 23-15 3XM RECEIVE R
ANTENNA LEA D Terminal , pag e 23-3 8
23-35
RIGH T TWEETE R
Replacement , '96-01 3.5RLservic e manual , P/ N 61SZ305 ,
pag e 23-153
FRON T PASSENGER' S DOO R SPEAKE R
Replacement , '96-01 3.5R L servic e manual ,
P/ N 61SZ305 , page 23-153
RIGH T TWIDDLE R
Replacement , '96-01 3.5R Lservic e manual , P/ N 61SZ305 ,
pag e 23-153
ProCarManuals.com
Audio System
Audio Amplifier TerminalsProCarManuals.com
Audio Uni t Terminal s
'04 Mode l Withou t Navigatio n System
'04 Mode l Wit h Navigatio n Syste m
ProCarManuals.com
Audio System
XM Receiver Terminals
'03 Model With Navigation SystemProCarManuals.com