2004 ISUZU TF SERIES Workshop Manual

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Page 3753 of 4264

ISUZU TF SERIES 2004 Workshop Manual TRANSMISSION CONTROL SYSTEM (AW30–40LE) (V6 3.5L) 7A2-73

DTC P1791 (FLASHING CODE 62) Transmission Control Module RAM Error

Step Action Value(s) YES NO
1
Was the Powertrain On-Board Diagnos

Page 3754 of 4264

ISUZU TF SERIES 2004 Workshop Manual 7A2-74 TRANSMISSION CONTROL SYSTEM (AW30–40LE) (V6 3.5L)

DTC U2104 (FLASHING CODE 65) CAN BUSS OFF

RTW37AMF000401

Circuit Description
The automatic transmission control system in AW30-

Page 3755 of 4264

ISUZU TF SERIES 2004 Workshop Manual TRANSMISSION CONTROL SYSTEM (AW30–40LE) (V6 3.5L) 7A2-75

No detect DTC P1767.

No detect DTC P0560.

No detect DTC P0712, 0713.
Conditions For Clearing The DTC

The DTC can be clea

Page 3756 of 4264

ISUZU TF SERIES 2004 Workshop Manual 7A2-76 TRANSMISSION CONTROL SYSTEM (AW30–40LE) (V6 3.5L)

DTC U2104 (FLASHING CODE 65) CAN BUSS OFF

Step Action Value(s) YES NO
1
Was the Powertrain On-Board Diagnostic (OBD)
System Check p

Page 3757 of 4264

ISUZU TF SERIES 2004 Workshop Manual ON-VEHICLE SERVICE (AW30–40LE) 7A3-1
TRANSMISSION
ON-VEHICLE SERVICE (AW30–40LE)
CONTENTS

Service Precaution .................................................
7A3-2
Location of Cl

ON-VEHICLE SERVICE (AW30–40LE) 7A3-1
TRANSMISSION
ON-VEHICLE SERVICE (AW30–40LE)
CONTENTS

Service Precaution .................................................
7A3-2
Location of Clutch, Brake, One-Way Clutch
and Solenoid ........................................................
7A3-3
Operation of Clutch, Brake and One-Way
Clutch ....................................................................
7A3-4
Trnasmission Indentification ..............................
7A3-4
Speed Change and Lock-Up Pattern ...............
7A3-5
Overdrive and Lock-Up Operating
Conditions ............................................................
7A3-5
Diagnosis .................................................................
7A3-6
Basic Troubleshooting ........................................
7A3-6
Manual Shifting Test ...........................................
7A3-12
Stall Test ..............................................................
7A3-12
Time Lag Test .....................................................
7A3-13
Hydraulic Test ......................................................
7A3-14
Road Test .............................................................
7A3-15
Shift Pont Chart and Lock-Up Point Chart ..........
7A3-19
Shift Pont Chart ...................................................
7A3-19
Lock-Up Point Chart ...........................................
7A3-20
Transmission Fluid Level and Condition .............
7A3-21
Inspection .............................................................
7A3-21
ATF Replacement ..................................................
7A3-22
Inspection .............................................................
7A3-22
Neutral Start Switch (Mode Switch) .....................
7A3-23
Inspection .............................................................
7A3-23
Removal ...............................................................
7A3-23
Installation ............................................................
7A3-23
Brake Signal ............................................................
7A3-24
Inspection .............................................................
7A3-24
Input and Output Revolution Sensor ....................
7A3-25
Inspection .............................................................
7A3-25
Pattern Select Switch .............................................
7A3-25
Inspection .............................................................
7A3-25
Solenoid ...................................................................
7A3-26
Inspection .............................................................
7A3-26

ATF Temperature Sensor ......................................
7A3-27
Inspection .............................................................
7A3-27
Select Lever ....................................................... 7A3-28 Remove or Disconnect .......................................
7A3-28
Install or Connect .................................................
7A3-29
Shift Cable ......................................................... 7A3-31
Remove or Disconnect .......................................
7A3-31
Install or Connect .................................................
7A3-32
Torque specifications ..........................................
7A3-33
Transmission Control Module (TCM) ...................
7A3-34
Removal ................................................................
7A3-34
Installation .............................................................
7A3-34
Shift Solenoid and Lock-Up Solenoid ...................
7A3-35
Removal ................................................................
7A3-35
Installation .............................................................
7A3-36
Valve Body Assembly and Pressure Control Solenoid .................................................
7A3-37
Removal ................................................................
7A3-37
Installation .............................................................
7A3-39
Rear Oil Seal (Adapter Housing, 4
4) .................
7A3-40
Removal ................................................................
7A3-40
Installation .............................................................
7A3-40
Rear Oil Seal (Extension Housing, 4 2) ..............
7A3-41
Removal ................................................................
7A3-41
Installation .............................................................
7A3-41
Transmission Assembly .........................................
7A3-42
Transmission and Associated Parts .................
7A3-42
Removal ................................................................
7A3-43
Installation .............................................................
7A3-46
Major Components ..............................................
7A3-50

Page 3758 of 4264

ISUZU TF SERIES 2004 Workshop Manual 7A3-2 ON-VEHICLE SERVICE (AW30 –40LE)

Service Precaution
WARNING: THIS VEHICLE HAS A SUPPLEMENTAL
RESTRAINT SYSTEM (SRS). REFER TO THE SRS
COMPONENT AND WIRING LOCATION VIEW IN
ORDER TO DE

Page 3759 of 4264

ISUZU TF SERIES 2004 Workshop Manual ON-VEHICLE SERVICE (AW30 –40LE) 7A3-3

Location of Clutch, Brake, One-Way Clutch and Solenoid

RUW37ALF000201

Legend
(8) One-way clutch (No.2) (F–2)
(1) Overdrive direct clutch

Page 3760 of 4264

ISUZU TF SERIES 2004 Workshop Manual 7A3-4 ON-VEHICLE SERVICE (AW30 –40LE)

Operation of Clutch, Brake and One-Way Clutch

Transmission Identification

RUW37ASH004301
Legend
(1)
Transmission Model Number

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