Page 1208 of 1395
Ground Distribution
Ground-to-Component(sl Index (cont'dl
Wire ColorGround
G552
G501
G801
BLK
BLK
BLK
BLK
Component or Circuits Grounded
Audio unit
Driver's door lock actuator (door lock knob switch)
Driver's door lock switch
Driver's power window motor
Keyless door lock control unit ('98 - 00 models)
Power door lock control unit
Power mirror switch
Power window master switch
Driver's seat belt switch
Fuel gauge sending unit
Fuel pump (FP)
Left rear side marker light
Left taillight
Rear accessary socket
Right rear side marker light
Trailer lighting connector
High mount brake light
Rear window defogger
Rear window wiper motor
Rjght taillight- plus eveMhing grounded through G631
Hatch glass opener solenoid
License plate light- plus eveMhing grounded through G6l1
SRS unit
BLK
BLK
BLK
23-48
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Page 1215 of 1395
Gauge Assembly
Component Location Index
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.
I x 1.25 mm24 N.m {2.4
VEHICLE SPEED SENSOF {VSS'Troubleshooting, page 23-62
GAUGE ASSEMBLYGau ge/lndicator/TerminalLocation Index, page 23-56Bulb Locations, page 23-57Removal, page 23-61
J-
FUEL GAUGE SENDING UNITSee section 1 l
PARKING BRAKE SWITCH
COOLANT TEMPERATURE GAUGESENDING UNITBRAKE FLUID LEVEL SWITCH
ENGINE OIL PRESSURE SWITCH
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Page 1220 of 1395
Gauge Assembly
Circuit Diagram (cont'd)
GAUGE ASSEMBLY
REARCEILINGLIGHT
TAILGATELATCHswtTcH
rCLOSED I Glass open ItoPEN : Glass closed I
fCLoSED rTailsate open II0PEN iTailsateclosed.J
23-60
BLK
T
G552tlsA)-
AI Jl
I SRAKE FLUIOI LEVET SWITCHI fCLOSED . Floal down)
lLoPEN . Floal up J
BLK
+
G401G402
ABSCONTROLUNIT
PREVIOUSPAGE
a1
\J
BRAKESYSTEMLIGHTl1.4Wl
\
./
SEATBELTREMINDERLIGHT(1.4W)
\/'
7\
\
TAILGATEINDICATORLIGHT{1.4W}
Gnru;neo I f7 |
I i oo,,#, i| | RUI\N|NG 0GHTS I
I L__c_o!l!g_yI'__l
I t
rcanada)
l\
-l I
BED
RED
B6
'BLU
I INTEGRATEDI coNTRoLI UN|T
lv
IItt
r-IBLU
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Page 1225 of 1395
< - ELK/WHT
S'TARTEBCUTRELAY
A,/rGEARPOSrr 0N SWTTCH(CLOSED :ln postion Eor N)
COMBINATONLIGHT SWITCH
\-/
IRED/GRN
I
.l-
NTEGRATED CONTROL UNIT
POWERDOOR LOCKCONTROL UNIT
I B1o PowERBLU/RED DOOR LOCK
I CONTFOL UN T
IY
F r,r'tro J
BLUi RED
"l\
u/
llon. no*
155,1'*IaCLOSED Keylnseded
| \oPEN Key rcmoved
8LK
4
G40r
LTGRN/RED LTGRN/RED LTtl
/rh d[)v !s-l
I FFONT I LEFTI PASSENGEBS I REABI DOOR | 00ORoDen ) lSwlTcH I SWITCHdosedJ J f C-OSED : ooot ooer ) | f CLOSED : Door opel
| ( ooE Doot dosed,r | \oPEN Doo' closed
tl_L -._:-
1,,,,,"
Yilei'rGRN/RED
. BNAKE FLUIOLEVEL SWITCH.PARKING ERAKEswrTcH (usA)
A8
BRAKE BULBCHECKCIFCUTKEY.IN]SEAT BELT and LIGHTS'ONREMINDER C RCU T
23-65
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Page 1227 of 1395
GRY
IGRN
I
rql)
Y4-orotI POSTT1ON SWTTCH (A/T)I (cLosED In posrlion Eor NII . CLUTCNI INTERLOCKI swrTcH (M,T)I /CLOSED :Clulch Dedal\
| \lullydeprsssed I
II8LK
{
Gl01 (A,T)
f;iillrvrr
-"'-},,,,,"
Y l1eff E
v**JT"
g
' BFAKE FLUIDLEVEL SWITCH'PARKING BRAKEswrTcH (usA)
A8A6 INTEGRATED CONTROL UNIT
KEY]N/SEAT BELT and LIGHTS.ONREMINDER CLRCUIT
COMBlNATIONLIGHT SWIlCH
\-7
IREO/GFN
KEYLESS/POWERDOOB LOCKCONTROL UNlT
V
GFN/nED+-]
LTGRN/R€D LT GRN/RED
tl
d[' 4P'\\s.i
EF's l*'n IFF^I'
13fft" l39P*:Door oper ) | fCLOSED. Doo'open ) | fCLO#D. Door ooe. ). Door dos€d,
I
\oPE . 000' closed,
|
\oPE Door ciosed,
ll-- --
,,,[:
ltrh::ffIxl,,'.l'"
l*,*,J IBLU/ BED I
AA
Y Y*,u,.,
I cvro | Bft_oi|l
sl:$P)l lHfi.#' Hrtrff"% ) l
(3!?i".
TI:l
G40tG402
6
DRIVER'SSEATBELTswrTcHrcLosED(OPEN
YEL
RED/BLU
SEAT EELTREM NDERLIGHT(1.4W)
\-
i
I
:
*,
/BLU RED/BLU
q
FEO/BLU
I
dF)
Y*lsE
13fr
l(3BtK
4
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Page 1230 of 1395

lntegrated Control Unit
Input Test -'97 Model (cont'd)
At----------+A7
Key-in/Seat Belt Reminder, Lights-on Remindor System:
Cavity WireTest conditionTest: Desired rosultPossible cause if re3ult is nol obtainod
Bulb Check System (Brake System Light):
Cavity WireTest conditionT6st: DGsirgd rosultPossible cause if resuh is not obtainod
23-70
A8
Combination light
switch ON
Check for voltage to ground:
There should be battery voltage.
Blown No.30 (7.5 A) fuse in the
under-dash fuse/relay box
Faulty combination light switch
An open in the wire
B7R ED/BLU
lgnition switch ON {lll.
and driver's seat belt
switch unbuckled
Check for voltage to ground:
There should be 1 V or less.
Poor ground (G552)
Faulty seat belt switch
Blown seat belt reminder light
bulb
An open in the wirelgnition switch ON (ll),
and driver's seat belt
switch buckled
Check for voltage to groundl
There should be 4 V or more.
B9GRN
Driver's door openCheck ior voltage to ground:
There should be 1 V or less.
. Faulty driver's door switch. An open in the wire
Driver's door closedCheck for voltage to ground:
There should be 4 V or more.
810BLU/RED
lgnition key insened
into the ignition key
switch
Check for voltage to ground;
There should be 1 V or less.
Poor ground (G401, G,[02)
Faulty ignition key switch
An open in the wire
lgnition key removed
trom the ignition key
swrtch
Check for voltage to ground:
There should be 4 V or more.
A4
lgnition switch ON { ll),
brake fluid reservoir
full, and parking brake
tever oown
Connect to ground: Brake system
light should come on.
Blown No. 25 (7.5 A) iuse in the
under-dash fuse/relay box
Blown brake system light bulb
An open in the wire
A13
lgnition switch at
START (lll), and
A/T gear position
switch E or E
Check for voltage to ground:
There should be battery voltage.
Blown No.31 (7.5 A) fuse in the
under-dash fuse/relay box
Faulty starter cut relay
Faulty A/f gear position switch
Poor ground (G101)
An open in the wire
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Page 1234 of 1395

Integrated Control Unit
A1 --------> A7
Input Test -'98 - 00 Models (cont'dl
YEL/BLULT GRNWHT/BLK
GRN/BLKLT GRN/REO
Wire side offemale terminals
A8------->A14WHT/BLK
Key-in/Se8t Beft Reminder, Lights-on Remindol System:
BLU/RED
Cavity WireTest conditionTest: Desired resultPossible caus€ it result is not obtained
Bulb Check System lBrake System Lightl:
Cavity WireTest conditionTest: Desired resultPossible caus€ if result is not obtained
A4
lgnition switch ON (ll),
brake fluid reservoir
full, and parking brake
lever down
Connect to ground: Brake system
light should come on.
Blown No. 25 (7.5 A) fuse in the
under-dash fuse/relay box
Blown brake system light bulb
An open in the wire
A13
lgnition switch at
START ( lll), and
A,/T gear position
switch E or E
Check for voltage to ground:
There should be battery voltage.
Blown No. 31 {7.5 A) fuse in the
under-dash fuse/relay box
Faulty sta rter cut relay
Faulty A,/T gear position switch (A,/T)
Faulty clutch interlock switch (M/T)
Poor ground {G101: AfI. G401 and
G402: M/T)
An open in the wire
23-74
A8
Combination light
switch ON
Check for voltage to ground:
There should be battery voltage.
Blown No. 30 (7.5 A) fuse in the
under-dash fuse/relay box
Faulty combination light switch
An open in the wire
RED/BLU
lgnition switch ON ( ll),
and driver's seat belt
switch unbuckled
Check for voltage to ground:
There should be 1 V or less.
Poor ground {G552)
Faulty seat belt switch
Blown seat belt reminder light
bu lb
An open in the wirelgnition switch ON (ll),
and driver's seat belt
switch buckled
Check for voltage to ground:
There should be 4 V or more.
814GRN
Driver's door openCheck for continuity to ground:
There should be continuity,
. Faulty driver's door switch. An open in the wire
Driver's door closedCheck for continuity to ground:
There should be no continuity.
B8BLU/RED
lgnition key inserted
into the ignition key
swrtch
Check for voltage to ground:
There should be 'l V or less.
Poor ground (G401, G402)
Faulty ignition key switch
An open in the wire
lgnition key removed
from the ignition key
switch
Check for voltage to ground:
There should be 4 V or more.
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Page 1239 of 1395

Daytime Running Lights Control Unit Input Test (Canadal
1.Remove the driver's dashboard lower cover and the
knee bolstet (see section 20).
Disconnect the connectors from the daytime run-
ning lights control unit.
Inspect the connector and socket terminals to be
sure they are all making good contact.
lf the terminals are bent, loose or corroded, repair
them as necessary, and recheck the system.
lf the terminals look OK, make the tollowing
inout tests at the connector'
- lf anv test indicates a problem, find and correct
the cause, then recheck the system.
- lf all the input tests prove OK, the control unrt
IPCONNECTOR
must be faulty; replace it.
T€st condition
DAYTIME RUNNING LIGHTS
CONTBOL UNIT
Tost: Desired result
8P CONNECTOR
YEL/BLK
GRN/RED
Possible cause ii r$uh is not obtained
BLK/WHT
Cavity
RED/GRN
B1BLKUnder all conditionsCheck for continuity to ground:
There should be continuity.
. Poor ground (G401, G402)
. An open in the wire
A2BLK,4iVHT
Under all conditionsCheck tor voltage to ground:
There should be battery voltage.
Blown No. 20 (7.5 A) luse in the
under-dash fuse/relay box
An open in the wire
82YEUBLK
lgnition switch oN (ll)Check for voltage to ground:
There should be battery voltage.
Blown No. 18 (7.5 A) fuse in the
under-dash tuse/relay box
Faulty ignition switch
An open in the wire
A4RED
Combination light
switch in " =D " Posi-
uon
Check for voltage to ground:
There should be battery voltage.
Blown No.,tg (30 A) fuse in the
under-hood fuse/relay box
Faulty combination light switch
An open in the wire
A1WHT/RED
Combination light
switch OFF; connect a
jumper wire between
the 82 and 41 termi-
nals, then turn the igni-
tion switch ON (ll)
Headlights (high beam) should
come on, (and high beam
indicator should come on).
Poor ground (G201. G202, G401,
G402)
Blown headlight bulbs
Faulty daytime running lights
resrslor
An open in the wire
R'IGRN/RED
lgnition switch ON (ll),
brake fluid reservoir
full. and parking brake
lever down
Connect to ground: The brake
system light should come on.
Blown No. 25 (7.5 A) fuse in the
under-dash fuse/relaY box
Blown brake system light
An open in the wire
B68EDlGRNParking brake lever upCheck for continuity to ground:
There should be continuity
. Faulty parking brake switch
. An open in the wire
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