1996 ACURA RL KA9 light

Relay an d Contro l Uni t Location s
Engine Compartmen t
UNDER-HOOD RELAY ,BOX B
IGNITIO N CONTRO LMODULE (ICM )
CIGARETTE LIGHTE R RELA Y
- FRON T SEA T HEATE R RELA Y
('96 - 9 7 models )- DRIVER' S POWE R WINDO W MOTO R RELA Y A('98 - 0 1 models )
• HOR N RELA Y
('96 - 9 7 models )
• POWE R WINDO W MASTE R SWITC H
RELA Y ('9 8 - 0 2 models )
SPAR K PLU G VOLTAG E
DETECTIO N MODUL E
• HEADLIGH T RELA Y
('96 - 9 8 models )• HEADLIGH T
LO W BEA M RELA Y
('9 9 - 0 2 models ) •
TAILLIGH T RELA Y
('9 6 - 9 8 models )
• HEADLIGH T HIG H BEA M RELA Y
('9 9 - 0 2 models )
DIMME
R RELA Y
UNDER-HOOD
FUSE/RELAYBOX
DRIVER' S POWE R WINDO W MOTO R RELA Y B('98 - 0 1 models )
• AB S PUM P MOTO R RELA Y
('9 6 - 9 9 models )
• VS A FAIL-SAF E RELA Y('00 - 0 2 models )
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Automatic Insid e Dimmin g Mirro r
Descriptio n ('0 2-04 Mode l USA )
The automati c dimmin g ha s a front-facin g lu x leve l sensor , a rear-facin g lu x leve l sensor , an d a contro l unit . Th e contro l
uni t receive s signal s fro m eac h sensor . Base d o n th e differenc e betwee n th e tw o lu x level s (th e ligh t outsid e th e vehicl e
an d th e ligh t fro m th e headlight s o f th e othe r vehicle , etc.) , th e contro l uni t control s th e electro-chromi c ge l t o reduc e th e
glare . Thi s dimmin g functio n is cancele d whe n th e transmissio n i s i n reverse , o r whe n th e automati c insid e dimmin g mir -
ro r switc h is turne d OFF .
BACKWAR D LU XLEVE L SENSO R
SWITCHFORWAR D LU XLEVE L SENSO R
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Cavity
Wire
Connects to

A1

A2

A3

A4

A5

A6

A7

A8

A9

A10

A11

A12

A13

A14

A15

A16
BLU

WHT

RED/BLK

WHT/YEL

WHT/RED

YEL/BLU

ORN

YEL

BRN

BLK

PNK

RED

GRN/RED

BLK

GRN

RED
Output (Right front +)

Output (Left front +)

Lights-on signal

Constant power

ACC (Main stereo power

supply)

Stereo amplifier (power)

Output (Left rear +)

Output (Right rear +)

Output (Right front -)

Output (Left front -)

OnStar system interface unit

(Cellular phone)

Dash lights brightness

Radio remote switch

Ground (G403)

Output (Left rear-)

Output (Right rear-)

*2B2

*2B3

B5

B8
WHT

BLU/RED

BLK

BLU or GRN*1
OnStar control unit (Line in +)

OnStar control unit (Line in -)

Ground (G401,G402)

Multiplex control unit (pas-

senger's)

Terminal B1, B4, B6 and B7 are not used.

C4

C7

*1C8

*1C9

C10
WHT

LT GRN

BLU/RED

WHT

BLK
Navigation unit

Navigation unit

OnStar control unit (Line in -)

OnStar control unit (Line in +)

Navigation unit

Terminal C1, C2, C3, C5, C6, C11 and C12 are not used.

*1: With navigation system (USA)

*2: Without navigation system (USA)ProCarManuals.com

Description

Basic operation:

1. OnStar system is activated.

2. Data is transmitted to service provider.

GPS SATELLITES

Two-way cellular communication

with call center.

Dispatch

Rescue/Police

911 CALL

CENTER

3. Call center associate makes appropriate response:

— Accident/Emergency notification (Police, Fire and EMS, etc.)

— Airbag deployment (Accident)

— Roadside assistance

— Stolen vehicle tracking

— Remote door lock/unlock command

— Misplaced vehicle (Flashes parking lights/honks horn)

— Route guidance

— Ride Assist

— Concierge services/convenience

Buttons and indicator:

DOT BUTTON
ONSTAR INDICATOR

Solid Green Light: System OK

Flashing Green Light: Call in

progress

Solid Red Light: System

malfunction

Flashing Red Light: Call

in progress, but malfunction

in system exist.

ONSTAR BUTTON
EMERGENCY BUTTON

Activation and termination

of voice recognition

(VR) for virtual advisor and cellular phone.
Used to connect to call

center (voice based information

service).
Used for emergencies.

Emergency calls have priority

over all others.
ONSTAR CALL

CENTER

(Human Advisor)
Requests for

dispatchProCarManuals.com

OnStar Syste m ('0 2 Mode l USA )
Descriptio n (cont'd )
Stolen vehicl e tracking :
If th e vehicl e i s stolen , th e owne r ca n repor t i t t o th e cal l center . The y wil l notif y th e authoritie s an d trac k th e vehicl e loca -
tio n t o assis t i n recovery .
Virtual advisor :
1. Virtua l adviso r setup . A subscribe r set s u p a persona l profil e o n thei r hom e compute r throug h th e interne t a t th e
OnSta r we b site .
— Stoc k portfoli o
— Traffi c
— Sport s
— New s
— Weather
— E-mai l
2 . Subscribe r call s OnSta r cal l center .
3 . OnSta r receive s an d processe s request .
4 . Profil e accesse d fo r requeste d information .
5 . OnSta r send s informatio n bac k t o subscriber . A compute r voic e relay s th e requeste d information .
Cellular phone :
The use r can mak e a hands-fre e cellula r phon e cal l wit h on e touc h (b y pressin g th e "dot " button) , an d b y usin g voic e
recognitio n commands .
Remote operation :
Vehicle door s ca n b e locke d remotel y if forgotte n o r unlocke d whe n key s ar e accidentall y lef t insid e th e vehicle . I f th e vehi -
cl e is misplace d in a parkin g lot , vehicl e aler t (honk s th e hor n an d Flashe s th e parkin g lights ) ca n b e requeste d remotely .
NOTE : Durin g norma l vehicl e operation , th e syste m is i n hig h powe r mode . Afte r th e ignitio n switc h i s turne d OF F th e sys -
te m wil l g o int o lo w powe r mod e fo r 4 8 hours , afte r tha t th e syste m wil l switc h t o slee p mod e t o conserv e batter y power .
Whe n
in lo w powe r mode , the syste m will switc h back to th e hig h powe r mod e for 1 minut e out o f ever y 10 minute s for a
perio d o f 4 8 hours . Remot e operatio n is onl y availabl e durin g th e 1 minut e perio d o f hig h powe r operation . Whe n th e sys -
te m is i n slee p mode , remot e operatio n i s no t possible .
Registerin g replacemen t components :
If th e OnSta r contro l uni t o r th e OnSta r radi o frequenc y modulato r uni t ar e replaced , yo u mus t cal l OnSta r deale r suppor t
b y regula r telephon e an d registe r th e ne w seria l number(s) .
OnStar contro l unit :OnSta r syste m radi ofrequenc y modulato r unit :
SERIA L NUMBE R
SERIAL NUMBE R
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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 Syste m ('0 2 Mode l USA )
Troubleshootin g
1. Chec k th e No . 5 6 (7. 5 A ) fus e i n th e under-hoo d
fuse/rela y bo x an d th e No . 4 (1 0 A ) fus e i n th e
under-das h fuse/rela y box .
Are the fuses OK?
YES - G o to ste p 2 .
NO - Fin d an d repai r th e caus e o f th e blow n fuse .
2. Remov e the rea r sea t (Refe r to th e '96-'0 1 3.5R L
Servic e Manual , P/ N 61SZ305 , fo r th e item s no t
show n in thi s section) .
3 . Chec k fo r continuit y betwee n th e A3 2 termina l o f
th e OnSta r contro l uni t an d bod y ground .
Is there continuity?
YES - G o to ste p 4 .
NO - Repai r ope n i n th e BL K wir e betwee n th e
OnSta r contro l uni t an d G601 .
4 . Chec k fo r continuit y betwee n th e B 1 termina l o f th e
OnSta r syste m interfac e uni t an d bod y ground .
Is there continuity?
YES - G o to ste p 5 .
NO - Repai r ope n i n th e BL K wir e betwee n th e
OnSta r syste m interfac e uni t an d G401 , G402 .
5 . Wit h th e ignitio n switc h OFF , pres s an d hol d th e
"dot " button . Tur n th e ignitio n switc h fro m OF F t o
AC C thre e time s an d bac k t o ACC , the n releas e th e
"dot " button .
6. Th e indicato r wil l flas h (gree n o r red ) i f an y failure s
hav e bee n detected . Troubleshoo t th e DTC s a s indi -
cate d below :
DTC
1
2
3
4
5
Sel f Diagnostic s Item s
GPS signa l erro r
Inter-devic e dedicate d
bu s malfunctio n
Deploymen t com -
mande d circui t
malfunctio n
OnSta r contro l uni t
malfunctio n
Cellula r phon e selec t
servic e switc h malfunc -
tio n (butto n module )
Note
OnSta r syste m
radi o frequenc y
modulator uni t com -
munication s erro r
SR S signa l ou t i s
ope n
Will onl y show s a s
"history " durin g
DTC displa y Example
: Whe n DTC 1 an d DTC 2 ar e detecte d
T1: 1 sec . T2 : 0. 2 sec . T3 : 0. 3 sec . T4 : 2 sec . T5 : 3 sec .
NOTE :
• Gree n indicato r flashe s histori c (stored ) failur e DTCs .
• Re d indicato r flashe s curren t failur e DTCs .
• Curren t DTCs , ar e displaye d first , followe d b y histor y
DTCs, i f any .
• DTC s ar e displaye d in numerica l orde r fo r tw o cycles .
Th e indicato r return s t o norma l functio n afte r th e tw o
cycles .
How to clea r th e codes :
Press th e OnSta r butto n withi n 3 second s afte r th e sec -
on d DT C cycle .
Ho w to ente r demonstratio n mode :
1 . Whe n ignitio n switc h i s turne d OF F withi n 3 se c
afte r DTC , syste m wil l b e shifte d t o demonstratio n
mode .
2. Eac h signals will be appea r in orde r below .
• 2 sec afte r ignitio n switc h is OFF : Doo r loc k
• 1 sec afte r doo r lock : door : Doo r unloc k
• 1 sec afte r doo r unlock : Hor n an d exterio r light s
perio d o f 0. 7 sec .
ProCarManuals.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