Page 564 of 1395

PGM Terminal Voltage/Measuring Conditions
A/T Control System -'97 Model
The PCM terminal voltage and measuring conditions are shown for the connector terminals that are related to the Ay'T con-
trol system. The other PCM terminal voltage and measuring conditions are described in section 11.
PCM Terminal Locations
A {32P} ConnectorB (25P1 ConnectolC {31PI ConnectorD {16P}Connector
PCM CONNECTOR A {32P}
FCM CONNECTOR B (25P)
Torminal NumbcrSignslDescriptionMeasuring Conditions/Terminal Vohage
A9LG1Ground (G101)
A10PG1Ground {G101)
At1IGPlPower supply system(under-hood Fuse 44 via main relav)
With ignition switch ON (ll): Battery voltage
With ignition switch OFF: 0 V
422Ground
Ground
424IG P2Power supply system(under-hood Fuse 44 via main relav)
With ignition switch ON (ll): Battery voltage
With ignition switch OFF: 0 V
Terminal NumberSignalDescriptionMeasuring Conditions/Terminal Vohage
B1LSMLinear solenoid power supply
negative electrode
lgnition switch ON (ll): Pulsing signa
82LSPLinear solenoid power supply
positive electrode
lgnition switch ON (lll: Pulsing signa
B3SHAShift control solenoid valve A
control
In @, @ position, in 2nd and 3rd gear in E,
E position: Battery voltage
In 1st gear in E. F! position, in 4th gear in E
position: 0 V
B4LCBLock-up control solenoid valve B
control
With full lock-up: Battery voltage
With half lock-up: Pulsing signal
With no lock-up: 0 V
B5LCALock-up control solenoid valve A
control
When lock-up is ON: Baftery voltage
With no lock-up: 0 V
86 to 87Not used
B8ATP D3,VT gear position switch E posi-
tion signal input
In E position: 0V
In other than E position: Battery voltage
89 to 810Not used
14-48
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Page 570 of 1395

PCM Terminal Voltage/Measuring Conditions
A/T Control System -'98 - 00 Models
The PCM terminal voltage and measuring conditions are shown for the connector terminals that are related to the A"/T con-
trol system. The other PCM terminal voltage and measuring conditions are described in section 11.
FCM Connector Terminal Localions
NOTE: 819 and C3 terminalsare applied to'99 - 00 models.
o (16Pt
T6rminal NumberSignalDescriptionMeasuring Conditions/Terminal Voltage
A5CRSDownshift signal input from
cruise control unit
When cruise control is used; Pulsing signal
A10scsTiming and adjustment service
check signal (5 V from PCM)
With ignition switch ON (ll) and service check
connector open:5 V
With ignition switch ON (ll) and service check
connector jumped with special tool: 0 V
A14('98 model)
D4 INDD4 indicator light control
{Voltage from PCM turns D4 light
oN)
When ignition switch is first turned ON (ll):
Battery voltage for two seconds
In E position: Battery voltage
A14
('99 - 00 models)
D INDD indicator light control(Voltage from PCM turns D light
oN)
When ignition switch is first turned ON (ll):
Baftery voltage for two seconds
ln E position: Battery voltage
428ILUInterlock control(Voltage from PCM)
When ignition switch ON {ll), brake pedal
depressed, and accelerator pedal released:
Battery voltage
A.32STOP SWBrake switch signal inputBrake pedal pressed; Battery voltage
Brake pedal released: 0 V
FCM CONNECTOR B I25P}
Terminal NumberSignalDescriptionMeasuring Conditions/Terminal Voltage
B1IGPlPower supply circuit from main
relay via under-hood Fuse 44
With ignition switch ON {ll): Battery voltage
With ignition switch OFF: 0 V
82PG1Ground (G101)
B8LSMLinear solenoid power supply
negative electrode
IG P2Power supply circuit from main
relay
With ignition switch ON (ll): Baftery voltage
With ignition switch OFF: 0 V
810PG2Ground (G101)
B17Linear solenoid power supply
positive electrode
With ignition switch ON (ll): Pulsing signal
819
('99 - 00 models)
O/D INDOver-Drive (O/D) OFF indicator
light control
When ignition switch is first turned ON (ll):
0 V for two seconds
O/D OFF indicator light ON:0 V
O/D OFF indicator light OFF: Battery voltage
s20Ground (G101)
B 21VBUBack-up power supply(under-hood Fuse 47)
Always battery voltage
B 22LG2Ground (G101)
14-54
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Page 597 of 1395
Ch€ck Ground Lin€:1. Disconnect the A (32P) con-nector from the PCM.2. Check lor continuity betweenterminals Ag and A10 andbetween terminals A22 andA.23.
Repair loose terminal or opon inth€ wires between terminals A9,A10, A22 and A23 and g.ound, andrepair poor ground lG101, G4011.
Measure Linear Solenoid R*ist-
ance:1. Connect the linear solenoid 2P
connector.2. Measure the resistancebetween the 81 and 82 terminals,
Ropair loos€ terminal or op6n in
the wiles between th€ 81 and 82
l6rminals and the linear solenoid.ls the resistance about 5.0 0?
Chock lor loose tarminalfit in thePCM connectors. lf necosaarv,subsiituto a known-good PCMand recheck.
PGl IBLKI
PG2 (ALKI
Wire side of temale terminals
14-81
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Page 603 of 1395

Troubleshooting Flowchart - E Indicator Light Does Not Come On
PCM CONNECTOR A {32PI
Wire side ot temale terminals
LGl IBRN/BLKI
LG2 (BRN/BLKI
(cont'd)
The E indicator light doos notcomo on whon the ignition switchis first turned ON {lll. (lt shouldcome on lor about two aaclnd!.I
Check the Sorvice Check Connec-toriMake sure the special tool 1SCSService Connector) is not connect-ed tothe service check connector,
Di3connect the spccial tool tromthe servica chock connoctor andrechsck.
ls the specialtool (SCS ServiceConnectorlconnected to the ser-vice check connector?
chock th. El Indicator Light:Shift to E position.
Ch6ck for looie terminal fit in thePCM connoctors. ll nocesssry,sub.titule a known-good PCMand rechock.
Check the Ground Circuit:1. Turn the ignition switch OFF.2. Disconnect the A {32P)connec-tor from the PCM.3. Check for continuity betweenthe A9 terminal and bodyground and tho A22 terminaland body ground.
R€pair opon in the wire3 betweenthe Ag or A22 torrninab and G101.Repair the body ground (G1011.
To page 14-88
14-87
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Page 610 of 1395

Electrical Troubleshooting ('98 - 00 Models)
Troubleshooting Flowchart - Lock-up Control Solenoid Valve A (cont'dl
FCM CONNECTORS
B {25P} C t31Pl
Wire side ot female terminals
LGlIARN/ALKI LG2IBRN/BLKI
LOCK-UP CONTROL SOLENOIDVALVE A/B ASSEMBLY CONNECTOR
tFttl._T=
A LC A (YELI(o)Y
I
Terminal side of male terminals
From page 14-93
Check tor continuity between theB20 terminal and body ground,and between the 822 terminaland body ground.
Ropair open in the wire3b€tweon tha 820 and 822 termi-nals and ground lG101l.
Ch6ck Lock-up Control SolonoidValv6 A tor a Short Ci.cuit:'1. Disconnect the 2P connectorfrom the lock up controlsolenoid valve A/B assembly.2. Check for continuity betweenthe Dt and B2O or 822 te(minals.
Ropai. lhort to g.ound in the wireb€twe€n the Dl terminal and thelock-up control solonoid vslvg A.
Mersurg Lock-up Co|ttrol SolonoidValvo A Rolktanco at tho SolonoidConnoctor:Measure the resistanco betweenthe No. 2 terminal of the lock,upcontrol soleno;d valve A/Bassembly connector aod bodyground.
Replace the lock-up controlsolonoid vrlve A/B a$ambly,ls the resistance 12 - 25 0?
Chsck for open in th€ wircbctwe€n tho Dl terminal lnd th6lock-up cont.ol solonoid v.lve A.
a t32P)D l16Pl
a l32Plc t3lPl
14-94
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Page 613 of 1395

From page 14-96
Check Ior continuity betlveen the
B2O terminal and body ground,
and between the 822 terminal
and body ground.
Bepair open in the wirea
between the 820 and 822 te.mi-
nals and ground (G1011.
Check Lock-up Control Solenoid
Valve I fo. a Short Circuit:1. Disconnect the 2P connectorfrom the lock_u p control
solenoid valve A,/B assembly2. Check for continuity betweenthe D3 and 820 or 822 termi
nats.
Rep.ir short to ground in the wiie
between the D3 terminal and the
lock-uD control solenoid valve B.ls there continuity?
Measure Lock-up Control Solenoid
valve B Resistance at the solenoid
ConnedoMeasure the resistance between
the No. 1 terminal of the lock_up
control solenoid valve A/B
assembly connector and bodYground.
Replace the lock_up conirol
solenoid valve A/8 a$embly.ls the resistance 12 - 25 O?
Check for open in the wiro
betwoen the D3 terminal and the
lock-up control solenoid valve B.
PCM CONNECTORS
B (25Pt c (31P1 D (16P1
rc1 rBRN/BLKk'
c$G2
{BRN/BLKI
t
Wire side ol female terminals
L(rcK.UP CONTROL SO1TNOID
VALVE A/B ASSEMBLY CONNECTOR
LC B IGRN/BLK)
(cont'd)
14-97
A {32P1
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Page 615 of 1395

TroubleshootingFfowchart - AIT Gear Position Switch {Short)
Possible Cau3e
. short in A/T gear position switch wire. Faulty A/T gear pGition switch
NOTE: Code 1705 (5) is set when the PCM receives two gear position inputs at
the same time,
PCM CONNECTORS
A (32P1
LGl IBRN/BLK) LG2 (BRN/BLK)
Wire side of female terminals
' O8O ll Scan Tool indicatas Code
P1705.. self-diagnGi3 E or El indica'
tor light blinks five time3
Obs€rve the A/T Goar Position
lndicalor:1. Turn the ignition switch ON (ll).
2. Observe the A/T gear Positionindicator, and shift each Posi'tion seParatelY.
The system is OK at lhis time.
Check the wir€ harne3s fot dam'
age.
Does any indicator stay on when
the shift lever is not in thatposition?
Moasu.e ATP R Voltage:1. Shift to all positions other
than E.2. Measure the voltage between
the D6 and 820 or 822 termi-nals,
Check for short in the wire
betwoon thc DS terminal and tho
A/T gear position switch or A/Tgear porition indicatol, and
check for open in the wires
batween the 820 and 822 t6lmi'
nals and body ground 1G1011. lf
wires are OK, check lor loos€ i€r_
minel fit in the PCM connectors.
lf necBsarv, substittlle a known'good PCM and recheck.
To page'14-100
(cont'd)
14-99
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Page 621 of 1395
From page 14-104
Measure ATP 1 Voliag€:1. Shift to E position.2, Measure the voltage betweenthe D15 and 820 or B22 termi-nals.
Repair open in the wire betweenthe D15 terminal and the A/Tgear poaition switch.
Check LG Wire tor an OpenCircuit:'1. Turn the ignition switch OFF.2. Check lor continuity betweenthe 820 terminal and bodyground, and between the 822terminal and body ground.
Repair open in th. wiresbetween the B20 and 822 tarmi-nals and body ground. and repairpoor ground {G101).
ls there continuity?
Check tor loose terminaltit in thePCM connectors. lf n6cassary,substitute d known-good PCMand recheck.
B t25Pl
FCM CONNECTORS
c t3lPtD tl6Pl
LGl IBRN/BLKI
LGl (BRN/BLKI
Wire side of female terminals
A (32P1B (2sP)c (31P|
14-105
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