Troubleshooting Flowchart - Shift Control System
Possible Cause
Faultv shift control sYstem
NOTE: Do not continue thas trou
bleshooting until the causes of any
other DTCS have been corrected.
(cont'd)
14-121
. OBD ll Scan Tool indicates
Code P0730.. Self-diagnosis Jir or E indica-
tor light indicates Code 41.
lf the PGM Tester is available,
retrieve the AJ.I Freeze Data, then
clear the PCM.
Test-drive the vehicle under the
same conditions the Freeze Data
lntermittent failure. The system
is OK at this time. Ch€ck the fit
of the pins in all connectors
atfected by this code.
Did the code return?
Check for Another Code:
Check whether the OBD ll scan
tool or the l-Drl or E] indicator
light indicates another code.
Perlorm the TroubleshootingFlowchart for the indicaled
Codets). Recheck for code P0730
{411 6ft6r troubleshooting.
Does the OBD ll scan tool
or the Da or E indicatorlighl indicate another code?
Measure Each Clutch Pressure:
Measure the 1st, 2nd, 3rd, and
4th clutch Pressure (see Page 14
161 thru 14163).
Repair the hydraulic sYstem as
necessary (se€ page 14-162 and
14-163).
ls eac h clutch Pressurewithin the service limit?
To page 14-122
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Electrical Troubleshooting ('98 - 00 Modelsl
Troubleshooting Flowchart - E or @ Indicator Light Does Not come on(cont'd)
PCM CONNECTORS
B {25P} C (3D (16P1
n f,-ff nt f,Fjrti.trnnmflnr
D4 INO or D IND IGRN/BLKI
From page 14-123
Measure D4IND or D lNDVoh.ge:'L Turn the ignition switch OFF.2. Connect the B (25Plconnector
to the PCM.3. Connect a djgital multimeterto the A14 and 820 or B22 terminals,4. Turn the ignition switch ON(ll), and make sure that voltageis available for two seconds.
Check lor open in the wireb€tween the Al/t terminal .nd thegeugo a$eftbly. lf wi.a is OK.check tor a fautty E or E indica-tor light bulb or a faulty gaugeass€mbly p.inted circuit board.
Check D4 IND or D IND for aShort CircuitiCheck for continuity between theA14 terminal and body ground.
Ropair short in tha wiro b€twesnthe A14 termin.l and th€ gaugo.ssemblv.
Check tor looso telminal tit in thePCM connoctors. Chock the A/Tgear position swiich. It neces-3ary, substitute a known-goodPCM and rech€ck.
c (31P)
LG2 (BRN/BLKI
Wire side of female terminals
D {16P)
D4 IND or D IND
14-124
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Troubleshooting Flowchart - Interlock system - Key Interlock system
IGNITION SWITCH 6P CONNECTOR
KEY LOCK SOL
IWHT/BLU)
ACC PUSH SW (WHT/YEL}
Wire side ot female terminals
KEY LOCK SOL
IWHT/BLUI
+B KEY LOCK(WHT/GRN)
(cont'd)
lgnition ksy cannot be moved
from ACC (l) pGition to LOCK (01
position while Pushing it with
the shift lever in E PGition.
Check Key lntorlock Solenoid
Operation:1. Disconnect the ignition switch
connector (6P).
2. Connect the No. 4 terminal of
the ignition switch 6P connec-tor to the battery Posative ter_minal, and connect the No. 3
terminal to the battery nega
tive terminal.3. Check the key interlock sole-no id operation. A clicking
sound should be heard.
F.ulty key interlock solenoid.
Replace tho ignition key cylinder/
steering lock asembly.
Does the key interlocksolenoid operate ProPerlY?
Ch€ck Key |motlock Switch OPer'etion:1. Connect the No. 5 terminal of
th€ ignition switch connectorto the battery Positive termi-nal, and connectthe No.3 teF
minal to the baftery negativetermrnal,2. TLrrn the ignition switch toACC (l), then PUsh it.3. Check the key interlock sole-noid operation. A clickingsound should be heard whilepushing the ignition kev.
Faulty key interlock 3witch.
Roplaco the ignidon key cylinder/
steoring lock tssamblY.
Does the key interlocksolenoid operate Properly?
To page 14-130
14-129
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A/T Gear Position Indicator
1.
f nput Test -'97 - 98 Models
Remove the gauge assembly from the dashboard (see section 20). and disconnect the 14P connector from the gauge
assemblv (see section 23),
Inspect the connector and socket terminals to be sure they are all making good contact.
. lf the terminals are bent, loose, or corroded, repairthem as necessary, and recheck the system.. lf the terminals look OK, make the following input tests at the 14P connector.- lf I test indicates a problem, find and correct the cause, then recheck the system.- lf all the input tests prove OK, but the indicator is faulty. replace the printed circuit board,
GAUGE ASSEMBLY 14P CONNECTOR
Wire side of female terminals
CavityWirs
ColorTest ConditionTest: Desir€d ResultPossible Cause
{lf rosult is not obtainod)
YEL
lgnition switch ON (ll)Check for voltage to ground:
There should be battery voltage,
. Blown No. 25 (7.5 A) fuse in the
under-dash fuse/relay box. An open in the wire
RE D/BLKCombination light
switch ON and dash
lights brightness con-
trol dial on full bright
Check for voltage between No. 2
and No. 3 terminals;
There should be battery voltage.
Blown No. 47 (7.5 A) fuse in the
under-dash fuse/relay box
Faulty combination Iight switch
Faulty dash iight brightness
controller
An open in the wire
RED
4BLUShift lever in ECheck for continuity to ground:
There should be continuity.
NOTE: There should be no continu-
ity in any other shift lever position.
' Faulty Ay'T gear position switch. An open in the wireBRNShift lever in E
7YELShift lever in @
8BLKUnder all conditionsCheck for continuity to ground:
There should be continuity
. Poor ground {G401). An open in the wire
9GRN/BLK
lgnition switch ON {ll)
and shift lever in any
position except E
Check for voltage to ground:
There should be battery voltage
for two seconds after the ignition
switch is turned ON {ll), and less
than 1 V two seconds later,
' Faulty PCM. An open in the wire
10GRNShift lever in ECheck for continuity to ground:
There should be continuity.
NOTE: There should be no conti-
nuity in any other shift lever posi-
UOn.
. Faulty A,ff gear position switch. An open in the wire1'lREDShift lever in @
12WHTShift lever in E
BLVBLU
Shift lever in ENOTE: Do not push
the brake pedal.
14LT GRN
lgnition switch ON { ll)
and shift lever in any
position except E and
E
Check for voltage to ground:
There should be about 5 V.
. Faulty PCM. An open in the wire
14-142
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L
Input Test -'99 - 00 Models
Remove the gauge assembly from the dashboard {see section 20), and disconnect the 14P connector from the gauge
assembly (see section 23).
Inspect the connector and socket terminals to be sure they are all making good contact.
a lf the terminals are bent. loose, or corroded. repair them as necessary. and recheck the system.
. lf the terminals look OK, make the following input tests at the 14P connector.- lf a test indicates a problem, find and correct the cause, then recheck the system.- lf all the input tests prove OK, but the indicator is faulty, replace the printed circuit board.
GAUGE ASSEMBLY 14P CONNECTOR
Wire side of female terminals
CavityWire
ColorTest ConditionTest: Desired ResuhPossible Caus6
{lf resutt is not obtainod)
1YEL
lgnition switch ON (ll)Check for voltage to ground:
There should be battery voltage.
. Blown No.25 (7.5 A) fuse in the
under-dash fuse/relay box. An open in the wire
2RE D/BLK
Combination light
switch ON and dash
lights brightness con-
trol dial on full bright
Check for voltage between No. 2
and No.3 terminals:
There should be battery voltage.
Blown No. 47 {7.5 A) fuse in the
under-dash fuse/relay box
Faulty combination light switch
Faulty dash light brightness
controller
An open in the wire
5RED
BRNShift lever in ECheck for continuity to ground:
There should be continuity.
NOTE: There should be no continu-
ity in any other shift lever position.
. Faulty A/T gear position switch. An open in the wire7YELShift lever in E
'10BLUShift lever in E
LT BLU
lgnition switch ON (ll),
shift lever in E. and
Over-Drive is OFF bypressing O/D switch.
Check for continuity to ground:
There should be continuity.
Faulty O/D switch
Faulty A/T gear position switch
Faulty PCM
An open in the wire
8BLKUnder all conditionsCheck for continuity to ground:
There should be continuity
. Poor ground (G401)
. An open in the wire
9a:FI\|/Et| ta
lgnition switch ON (ll)
and shift lever in any
position except E
Check for voltage to groundl
There should be battery voltage
for two seconds after the ignition
switch is turned ON (ll). and less
than 1 V two seconds later.
. Faulty PCM. An open in the wire
11REDShift lever in SCheck for continuity to ground:
There should be continuity.
NOTE: There should be no conti-
nuity in any other shift lever posi-
Iton.
. Faulty A/T gear position switch. An open in the wire12WHTShift lever in E
BLI(BLU
Shift lever in ENOTE: Do not push
the brake pedal.
14LT GRN
lgnition switch ON (ll)
and shift lever in any
position except E and
E
Check for voltage to groundl
There should be about 5 V,
. Faulty PCM. An open in the wire
14-143
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Interlock System
Interlock Control Unit Input Test
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.
'1. Remove the instrument panel lower cover (see section 20).
2. Disconnect the 8P connector from the interlock control unit.
3. Inspect the connector and connector 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 following input tests at the connector.
- lf a test indicates a problem, find and correct the cause, then recheck the system
- lf all the input tests prove OK, substitute a known-good control unit, and recheck the system. lf the check is OK,
the control unit must be faulty; replace it.
NOTE: lf the shift lock solenoid clicks when the ign ition switch is tu rned ON (ll) while pressing the brake pedal withthe
shift lever in E position, the shift lock system is OK. lf the shift lever cannot be shifted from E position. test the A/T
gear position switch.
14-144
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1?
4678
CavityWire
ColorTest CondhionTost: Desired RosultPossible Cause(lf result is not obtainedl
1WHT/BLU
lgnition switch turned
to ACC (l), ignition key
pushed all the way in
Check for voltage to ground:
There should be battery voltage.
Blown No. 48 {30 A} fuse in the
under-hood fuse/relay box
Blown No.33 (7.5 A) fuse in the
under-dash fuse/relay box
Faulty steering lock assembly
{key interlock solenoid)
An open in the wire
YEL
lgnition switch ON (ll)Check for voltage to ground:
There should be battery voltage.
Blown No.25 (7.5 A) fuse in the
under-dash fuse/relay box
An open in the wire
YEUBLK
lgnition switch ON (ll)Check for voltage to ground:
There should be baftery voltage.
Blown No. 25 (7.5 A) fuse in the
under-dash fuse/relay box
Faulty shift lock solenoid
An open in the wire
4BLKUnder all conditionsCheck for continuity to ground:
There should be continuity.
. Poor ground (G401)
. An open in the wire
5WHT
lgnition switch turned
to ACC (l), ignition key
pushed all the way in
Check for voltage to ground:
There should be battery voltage.
Blown No.48 (30 A) fuse in the
under-hood fuse/relay box
Blown No. 33 (7.5 A) fuse in the
under-dash fuse/relay box
Faulty steering lock assembly(key interlock switch)
An open in the wire
BLI(BLU
Shift lever in ECheck for continuity to ground:
There should be continuity,
Faulty Ay'T gear position switch
Poor ground (G101)
An open in the wire
8WHT/BLK
Shift lever in @ and
pulled toward steering
wneel
Check for continuity to ground:
There should be continuity.
Faulty park pin switch
Shon to ground
Shift lever in ECheck for continuity to ground:
There should be no continuity.
Wire side of female terminals
Reconnect the interlock control unit 8P connector.
14-145
7WHT/RED
lgnition switch ON (ll)
and brake pedal
presseo
Check for voltage to ground:
There should be 1 V or less.
Faulty brake switch
Faulty throttle position (TP)
sensor
Faulty PCM
An open in the wire
Faulty interlock control unit
lgnition switch ON (lll,
brake pedal and accel-
erator pedal pressed at
the same time
Check for voltage to ground:
There should be baftery voltage,
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Park Pin Switch Test
SRS components are located in this area. Review the SRS
compongnt locations, precautions, and procedures in the
SRS section (24) before performing repairs or service,
1. Remove tho instrument panel lower cover (see sec-
tion 20).
Remove the upper and lower steering column cov-
ers (see section 17).
Disconnect the park pin switch connector.
Shift the shift lever into E position, then check for
continuity betwsgn these conngctor terminals:
. '97 - 98 models; No. 1 and No, 3 terminals of the
park pin switch connector.
.'99-00 models: No. 3and No. 4terminalsof the
park pin switch/Over-Drive {O/D) switch connec-
tor.
There should be continuity,
37 - 98 MODELS:
'99 - 00 MODELS:
PARK PIN SWITCH/oVER-DRTVE {O/D) SWTTCHCONNECTOR
PAR( PIN
.qI
Shift the shift lever out of the E position, and check
for continuity between the terminals as in step 4.
Thsre should be no continuity.
lf the park pin switch is faulty, replace it.
14-149
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