6E–23 4JX1–TC ENGINE DRIVEABILITY AND EMISSIONS
Abbreviations Charts
List of abbreviations which may be used in this section.
Abbreviations
Te r mAbbreviationsTe r m
A/CAir ConditionerBLKBlack
A/TAutomatic TransmissionBLUBlue
ACCAccessoryBRNBrown
APAccel PositionGRNGreen
ASMAssemblyGRYGray
CKPCrank PositionLT B L ULight Blue
CMPCam PositionLT G R NLight Green
DLCData Link ConnectorORNOrange
DTCDiagnosis Trouble CodePNKPink
DVMDigital Volt MeterREDRed
ECMEngine Control ModuleVIOViolet
ECTEngine Coolant TemperatureWHTWhite
EGRExhaust Gas RecircurationYELYe l l o w
EVRVElectric Vacuum Regulating Valve
EXHExhaust
FTFuel Temperature
IATIntake Air Temperature
IGIgnition
ITPIntake Throttle Position
M/TManual Transmission
MAPManifold Absolute Pressure
MILMulfunction Indicator Lamp
OBDOn-Board Diagnostic
OTOil Temperature
QOSQuick on Start System
QWSQuick Warming-Up System
RPRail Pressure
RPCVRail Pressure Control Valve
SRSSupplemental Restraint System
STStart
SWSwitch
TEMPTemperature
TODTorque on Demand
VSSVehicle Speed Sensor
VSVVacuum Switching Valve
HEUIHydraulically Actuated Electronically Controlled Unit
InjectorInjector
6E–42
4JX1–TC ENGINE DRIVEABILITY AND EMISSIONS
4JX1-TC Engine (Automatic and Manual Transmission)
Te c h 2
Parameter
Data ListUnits
DisplayedTy p i c a l D a t a
Values (IDLE)Typical Data
Va l u e s
(2500 RPM)Refer To
Battery VoltageEngineVo l t s12.5 14.513 15General Description
Ignition StatusEngineOn/OffOnOnGeneral Description
Ignition Relay2EngineOn/OffOnOnGeneral Description
Idle SwitchEngineInactive/
Active——DTC P0510, P1510
Manifold
Absolute
PressureEngineKPa96 106110 150General Description
DTC P0107, P0108
Rail Oil
PressureEngineMPa3.5 54.5 10General Description
DTC P0192, P0193
Desired Rail Oil
PressureEngineMPa4 55 9General Description
DTC P0192, P0193
Fuel
TemperatureEngineC (F)75 8575 85DTC P0182, P0183
Quick Warming
SwitchEngineOn/OffOffOffDTC P0380
Thermo RelayEngineOn/Off——DTC P1655
Actual EGR
PressureEngineKPa58 60M/T 63 66
A/T 95
105
DTC P0405, P0406
Barometric
PressureEngineKPa98 10298 102General Description
Relative EGR
PressureEngineKPa–38 –45M/T –34 –37
A/T 0General Description
Desired EGR
PressureEngineKPa–43 –40M/T 36
A/T 0General Description
Brake SwitchEngineInactive/
Active——DTC P1588
GearEngine————
Vehicle SpeedEngineKm/h00Transmission Diagnosis
Rail Pressure
Control ValveEngine%17 2218 27DTC P1193
EGR StatusEngineDisable/
EnableEnableM/T Enable
A/T DisableGeneral Description
EGR Switching
Va l v eEngineOn/Off——General Description
Throttle Motor
Position SensorEngineVo l t s3.1 3.90.2 0.9DTC P1485, P1486,
P1487
Throttle Motor
PositionEngineSteps
0 1.00 1.0
DTC P1488
Delirered Fuel
QuantityEnginemm 3/st
6 106 12
General Description
Injector StatusEngineDisable/
EnableEnableEnableDTC P0201, P0202,
P0203, P0204, General
Description
Injector Pulse
WidthEnginems0.9 1.250.7 1.1General Description
Injector Start
OffsetEngineCA——General Description
6E–183 4JX1–TC ENGINE DRIVEABILITY AND EMISSIONS
Rough, Unstable, or Incorrect Idle, Stalling Symptom
StepActionVa l u e ( s )Ye sNo
1DEFINITION:
Engine runs unevenly at idle. If severe, the engine or
vehicle may shake. Engine idle speed may vary in
RPM. Either condition may be severe enough to stall
the engine.
Was the “On-Board Diagnostic (OBD) System Check”
performed?
—Go to Step 2
Go to OBD
System
Check
21. Perform a bulletin search.
2. If a bulletin that addresses the symptom is found,
correct the condition as instructed in the bulletin.
Was a bulletin found that addresses the symptom?
—Go to Step 6Go to Step 3
3Was a visual/physical check performed?
—Go to Step 4
Go to Visual/
Physical
Check
41. Check the ECM grounds for cleanliness, tightness
and proper routing. Refer to the ECM wiring
diagrams in
Electrical Diagnosis.
2. If a problem is found, repair as necessary.
Was a problem found?
—Verify repairGo to Step 5
51. Check for incorrect idle speed. Ensure that the
following conditions are present:
The engine is fully warm.
The accessories are “OFF.”
2. Using a Tech 2, monitor the AP position.
Is the AP position within the specified values?
0%Go to Step 10Go to Step 9
61. Visually/physically inspect for the following
conditions:
Restricted air intake system. Check for a
possible collapsed air intake duct, restricted
air filter element, or foreign objects blocking
the air intake system.
2. If a problem is found, repair as necessary.
Was a problem found?
—Verify repairGo to Step 7
71. Injector Test
Operate the each injector by Tech 2 with the
ignition “ON” and check if the working noise
confirm.
2. If a problem is found, check the harness or replace
the injector.
Is the action complete?
—Verify repairGo to Step 8
81. Check the transmission range switch circuit. Use a
Tech 2 and be sure the Tech 2 indicates that the
vehicle is in drive with the gear selector in drive or
overdrive.
2. If a problem is found, diagnose and repair the
transmission range switch as necessary (Refer to
Automatic Transmission Diagnosis).
Was a problem found?
—Verify repairGo to Step 9
6E–199 4JX1–TC ENGINE DRIVEABILITY AND EMISSIONS
Default Matrix Table
Service Procedure Default Strategy
A referral strategy has been established to assist the
technician with additional information when the cause ofthe failure cannot be determined. If no problem is found
after performing diagnostics, then refer to the default
matrix table for further diagnostic information.
Default Matrix Table
Strategy Based Diagnostic ChartsInitial DiagnosisDefault Section(s)
On-Board Diagnostic (OBD) System
CheckVehicle does not enter diagnostics.Chassis Electrical
On-Board Diagnostic (OBD) System
CheckVehicle enters diagnostics and
communicates with the Tech 2. MIL is
“ON” in diagnostics. Engine does not
start and run.HEUI System Check
On-Board Diagnostic (OBD) System
CheckEngine starts and runs, no ECM codes
set. Customer complains of vibration.—
On-Board Diagnostic (OBD) System
CheckEngine starts and runs, no ECM codes
set. Customer complains of harsh or
soft shift, poor performance, delayed or
no engagement into drive or reverse,
transmission fluid leak, transmission
noise or vibration, or improper TCC
operation.Automatic Transmission
ECM Power and Ground CheckOn-Board Diagnostic (OBD) System
Check.Chassis Electrical
ECM Power and Ground CheckOn-Board Diagnostic (OBD) System
Check. ECM power and ground circuits
OK. Data link voltage incorrect.Chassis Electrical
On-Board Diagnostic (OBD) System
CheckEngine starts and runs, no ECM codes
set. Customer complains of harsh or
soft shift, poor performance, delayed or
no engagement into drive or reverse,
transmission fluid leak, transmission
noise or vibration, or improper TCC
operation.Automatic Transmission
SymptomsInitial DiagnosisDefault Section(s)
Intermittents1. On-board diagnostic (OBD)
system check.
2. Careful visual/physical inspections.Chassis Electrical
Hard Starts1. OBD system check.
2. Sensors (ECT, MAP, EGR, AP) ;
output chart.
3. Fuel system electrical test, fuel
system diagnosis.
4. Injector system.Engine Mechanical, Injector
System Check, Exhaust System
Diagnosis
Surges and/or Chuggles1. OBD system check.
2. Fuel system diagnosis.
3. Injector system.Calibration ID “Broadcast”
/Service Bulletins, Ignition
System Check, Generator
Output, Exhaust System
Diagnosis
Lack of Power, Sluggish or Spongy1. OBD system check.
2. Fuel system diagnosis.
3. Injector system.Refer to Exhaust System in
Engine Exhaust, TCC
Operation, Calibration
ID/Service Bulletins
6E–227 4JX1–TC ENGINE DRIVEABILITY AND EMISSIONS
QOS
Diagnostics
– Malfunction Indicator Lamp (Service Engine
Soon lamp)
– Data Link Connector (DLC)
– Data Output
ECM Service Precautions
The ECM is designed to withstand normal current draws
associated with vehicle operation. Avoid overloading any
circuit. When testing for opens and shorts, do not ground
or apply voltage to any of the ECM’s circuits unless
instructed to do so. These circuits should only be tested
using digital voltmeter. The ECM should remain
connected to the ECM or to a recommended breakout
box.
Intake Throttle Position (ITP) Sensor
ITP sensor is a potentiometer type and installed to the
intake throttle valve body. A voltage of 5V is applied
constantly from ECM to ITP sensor thereby to determine
by change in voltage the opening of the intake throttle
valve during warming up.
Transmission Range Switch
IMPORTANT:The vehicle should not be driven with the
transmission range switch disconnected; idle quality will
be affected.
The four inputs from the transmission range switch
indicate to the ECM which position is selected by the
transmission selector lever.
For more information on the transmission on the
transmission range switch, refer to
Automatic
Tr a n s m i s s i o n
.
Accelerator Position Sensor (AP)
AP sensor is a potentiometer type and installed to
accelerator pedal bracket. A voltage of 5V constantly
applied from ECM to the sensor thereby to determine the
accelerator pedaling angle by change in voltage. Further,
this sensor is provided with an accelerator switch, which
is set off only when the accelerator pedal is stepped on.
Aftermarket Electrical and Vacuum
Equipment
Aftermarket (add-on) electrical and vacuum equipment is
defined as any equipment which connects to the vehicle’s
electrical or vacuum systems that is installed on a vehicle
after it leaves the factory. No allowances have been
made in the vehicle design for this type of equipment.
NOTE: No add-on vacuum equipment should be added
to this vehicle.
NOTE: Add-on electrical equipment must only be
connected to the vehicle’s electrical system at the battery
(power and ground).
Add-on electrical equipment, even when installed to
these guidelines, may still cause the powertrain system to
malfunction. This may also include equipment not
connected to the vehicle electrical system such asportable telephones and radios. Therefore, the first step
in diagnosing any powertrain problem is to eliminate all
aftermarket electrical equipment from the vehicle. After
this is done, if the problem still exists, it may be diagnosed
in the normal manner.
Electrostatic Discharge Damage
Electronic components used in the ECM are often
designed to carry very low voltage. Electronic
components are susceptible to damage caused by
electrostatic discharge. Less than 100 volts of static
electricity can cause damage to some electronic
components. By comparison, it takes as much as 4000
volts for a person to feel even the zap of a static
discharge.
TS23793
There are several ways for a person to become statically
charged. The most common methods of charging are by
friction and induction.
An example of charging by friction is a person sliding
across a vehicle seat.
Charge by induction occurs when a person with well
insulated shoes stands near a highly charged object
and momentary touches ground. Charges of the
same polarity are drained off leaving the person
highly charged with the opposite polarity. Static
charges can cause damage, therefore it is important
to use care when handling and testing electronic
components.
NOTE: To prevent possible electrostatic discharge
damage, follow these guidelines:
Do not touch the ECM connector pins or soldered
components on the ECM circuit board.
Do not open the replacement part package until the
part is ready to be installed.
Before removing the part from the package, ground
the package to a known good ground on the vehicle.
If the part has been handled while sliding across the
seat, while sitting down from a standing position, or
while walking a distance, touch a known good ground
before installing the part.
6H – 2 ENGINE SPEED CONTROL
GENERAL DESCRIPTION
3For A/T
1For M/T
2
1
101RW012
Engine control has been changed from the control
cable system to an electronically controlled TP (Throttle
Position) sensor.
The TP sensor is a potentiometer (Variable resistance)
type and installed to the accelerator pedal bracket.
A voltage of 5 V is always applied from the ECM
(Electronic Control Module) to the TP sensor so that the
operating angle of the accelerator pedal can be
detected from a change in voltage.
Further, this sensor is equipped with an accelerator
switch which sends signals to the ECM when the
accelerator pedal is stepped on.
This switch remains on and turns off only when the
accelerator pedal is stepped on.An A/T (Automatic Transmission) vehicle is equipped
with a throttle cable for A/T use. There is a return spring
provided on the throttle cable lever side. No change in
the throttle cable lever. An MT (Manual Transmission)
vehicle has no throttle cable, and therefore, a return
spring is provided on the accelerator pedal and a return
cable assembly having the sliding resistance of a cable
is used to give the pedal a feeling.
To meet the newly adopted electronic control system,
the idling control button has been dropped. Legend
(1) Accerator Position Sensor
(2) Return Cable
(3) A/T Throttle Cable
7A–1 AUTOMATIC TRANSMISSION (4L30–E)
TRANSMISSION
AUTOMATIC TRANSMISSION (4L30–E)
CONTENTS
Service Precaution 7A–3. . . . . . . . . . . . . . . . . . . . . .
Construction 7A–3. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Range Reference Chart 7A–4. . . . . . . . . . . . . . . . . .
Normal Operation Of 2000 4L30–E
Transmission 7A–5. . . . . . . . . . . . . . . . . . . . . . . . . . .
Diagnosis 7A–5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Driver Information 7A–5. . . . . . . . . . . . . . . . . . . . . . .
General Diagnosis Procedure 7A–8. . . . . . . . . . . . .
Preliminary Inspection Chart 7A–9. . . . . . . . . . . . . .
Checking Transmission Fluid Level and
Condition 7A–10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Test Driving 7A–11. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Mechanical / Hydraulic Diagnosis Check Trans
Indicator Chart 7A–12. . . . . . . . . . . . . . . . . . . . . . . . . .
Mechanical / Hydraulic Diagnosis
Symptoms Index 7A–13. . . . . . . . . . . . . . . . . . . . . . . .
Stall Test 7A–23. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Line Pressure Test 7A–23. . . . . . . . . . . . . . . . . . . . . .
Shift Speed Chart (V6 3.2L 6VD1 Model) 7A–24. . .
Shift Speed Chart (V6 3.5L 6VE1 Model) 7A–26. .
Lockup Speed Chart (V6 3.2L 6VD1 Model) 7A–28
Lockup Speed Chart (V6 3.5L 6VE1 Model) 7A–28
Changing Transmission Fluid 7A–29. . . . . . . . . . . . .
Selector Lever 7A–29. . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection 7A–29. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Removal 7A–30. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation 7A–30. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Mode Switch 7A–31. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Removal 7A–31. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation 7A–31. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Transmission (With Transfer Case) 7A–33. . . . . . . .
Transmission And Associated Parts 7A–33. . . . . .
Removal 7A–33. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation 7A–35. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Solenoid (Main Case Valve Body) 7A–39. . . . . . . . .
Removal 7A–39. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation 7A–39. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Solenoid (Adapter Case Valve Body) 7A–40. . . . . . .
Removal 7A–40. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation 7A–40. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Valve Body Assembly (Main Case) 7A–41. . . . . . . .
Removal 7A–41. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation 7A–41. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Valve Body Assembly (Adapter Case) 7A–43. . . . . .
Removal 7A–43. . . . . . . . . . . . . . . . . . . . . . . . . . . . . Installation 7A–43. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Powertrain Control Module (PCM) 7A–43. . . . . . . . .
Removal 7A–43. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation 7A–43. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Speed Sensor (Extension Housing) 7A–44. . . . . . . .
Removal 7A–44. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation 7A–44. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Transmission Oil Temperature Sensor
(Adapter Case) 7A–44. . . . . . . . . . . . . . . . . . . . . . . . .
Removal 7A–44. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation 7A–45. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Front Oil Seal (Converter Housing) 7A–45. . . . . . . .
Removal 7A–45. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation 7A–45. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Rear Oil Seal (Extension Housing) 7A–46. . . . . . . . .
Removal 7A–46. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation 7A–46. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Transmission (4L30–E) 7A–46. . . . . . . . . . . . . . . . . .
Disassembly 7A–46. . . . . . . . . . . . . . . . . . . . . . . . . .
Reassembly 7A–50. . . . . . . . . . . . . . . . . . . . . . . . . .
Converter Housing And Oil Pump Assembly 7A–60
Disassembled View 7A–60. . . . . . . . . . . . . . . . . . . .
Disassembly 7A–60. . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection And Repair 7A–60. . . . . . . . . . . . . . . . . .
Reassembly 7A–60. . . . . . . . . . . . . . . . . . . . . . . . . .
Oil Pump 7A–61. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Disassembled View 7A–61. . . . . . . . . . . . . . . . . . . .
Disassembly 7A–61. . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection And Repair 7A–61. . . . . . . . . . . . . . . . . .
Reassembly 7A–61. . . . . . . . . . . . . . . . . . . . . . . . . .
Main Case Valve Body 7A–62. . . . . . . . . . . . . . . . . . .
Disassembled View 7A–62. . . . . . . . . . . . . . . . . . . .
Disassembly 7A–62. . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection And Repair 7A–63. . . . . . . . . . . . . . . . . .
Reassembly 7A–63. . . . . . . . . . . . . . . . . . . . . . . . . .
Adapter Case Valve Body 7A–64. . . . . . . . . . . . . . . .
Disassembled View 7A–64. . . . . . . . . . . . . . . . . . . .
Disassembly 7A–64. . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection And Repair 7A–64. . . . . . . . . . . . . . . . . .
Reassembly 7A–64. . . . . . . . . . . . . . . . . . . . . . . . . .
Third Clutch And Sprag Unit 7A–65. . . . . . . . . . . . . .
Disassembled View 7A–65. . . . . . . . . . . . . . . . . . . .
Disassembly 7A–65. . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection And Repair 7A–66. . . . . . . . . . . . . . . . . .
7A–2
AUTOMATIC TRANSMISSION (4L30–E)
Reassembly 7A–66. . . . . . . . . . . . . . . . . . . . . . . . . .
Third Clutch 7A–67. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Disassembled View 7A–67. . . . . . . . . . . . . . . . . . . .
Disassemble 7A–67. . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection And Repair 7A–67. . . . . . . . . . . . . . . . . .
Reassembly 7A–67. . . . . . . . . . . . . . . . . . . . . . . . . .
Sprag Unit 7A–69. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Disassembled View 7A–69. . . . . . . . . . . . . . . . . . . .
Disassembly 7A–69. . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection And Repair 7A–69. . . . . . . . . . . . . . . . . .
Reassembly 7A–69. . . . . . . . . . . . . . . . . . . . . . . . . .
Second Clutch 7A–70. . . . . . . . . . . . . . . . . . . . . . . . . .
Disassembled View 7A–70. . . . . . . . . . . . . . . . . . . .
Disassembly 7A–70. . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection And Repair 7A–71. . . . . . . . . . . . . . . . . .
Reassembly 7A–71. . . . . . . . . . . . . . . . . . . . . . . . . .
3–4 Accumulator Piston 7A–72. . . . . . . . . . . . . . . . . .
Disassembled View 7A–72. . . . . . . . . . . . . . . . . . . .
Disassembly 7A–72. . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection And Repair 7A–73. . . . . . . . . . . . . . . . . .
Reassembly 7A–73. . . . . . . . . . . . . . . . . . . . . . . . . .
Reverse Clutch Piston And Center Support 7A–74.
Disassembled View 7A–74. . . . . . . . . . . . . . . . . . . .
Disassembly 7A–75. . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection And Repair 7A–75. . . . . . . . . . . . . . . . . .
Reassembly 7A–75. . . . . . . . . . . . . . . . . . . . . . . . . .
Overrun Clutch And Turbine Shaft 7A–76. . . . . . . . .
Disassembled View 7A–76. . . . . . . . . . . . . . . . . . . .
Disassembly 7A–77. . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection And Repair 7A–77. . . . . . . . . . . . . . . . . .
Reassembly 7A–77. . . . . . . . . . . . . . . . . . . . . . . . . .
Main Data And Specification 7A–79. . . . . . . . . . . . . .
Special Tools 7A–83. . . . . . . . . . . . . . . . . . . . . . . . . . .
4L30–E Parts List 7A–86. . . . . . . . . . . . . . . . . . . . . . .