Btra 4 Auto Transmission - SSANGYONG 2004 Rexton 2.7XDi Workshop Manual

SECTION 3A2 ´Ü¿ø 00

BTRA 4 AUTO TRANSMISSION

Table of Contents
DESCRIPTION AND OPERATION ............... 3A2-2
BTRA M74 4WD automatic transmission .... 3A2-2
Operators interfaces ............................... 3A2-3
Control systems ...................................... 3A2-4
Electronic control system ........................ 3A2-4
Hydraulic control system ....................... 3A2-10
Hydraulic control circuit ......................... 3A2-11
Power train system ................................ 3A2-15
Power flows ........................................... 3A2-19
Park and neutral ................................... 3A2-20
Reverse ................................................ 3A2-22
Manual 1 ............................................... 3A2-24
Drive 1 .................................................. 3A2-26
Drive 2 and manual 2 ........................... 3A2-28
Drive 3 and manual 3 ........................... 3A2-30
Drive 3 lock up and manual 3 lock up ...... 3A2-32
Drive 4 (overdrive) ................................ 3A2-34
Drive 4 lock up ...................................... 3A2-36
DIAGNOSTIC INFORMATION AND
PROCEDURES .......................................... 3A2-38
DIAGNOSIS ............................................... 3A2-38
Basic knowledge required ..................... 3A2-38
Functional check procedure ................. 3A2-38
Transmission fluid level service
procedure ............................................. 3A2-39
Fluid leak diagnosis and repair ............. 3A2-40
Electrical / garage shift test ................... 3A2-41
Road test procedure ............................. 3A2-41
Electronic adjustments .......................... 3A2-41
SYMPTOM DIAGNOSIS ........................... 3A2-43
Drive faults ........................................... 3A2-43
Faulty shift pattern ................................ 3A2-44
Shift quality faults .................................. 3A2-46
After teardown faults ............................. 3A2-48
BTRA 4 AUTO TRANSMISSION
REXTON SM - 2004.4
TROUBLE CODE DIAGNOSIS
- GASOLINE VEHICLE ............................ 3A2-50
TCU diagnostic system overview .......... 3A2-50
Clearing trouble codes .......................... 3A2-50
Diagnostic trouble codes ...................... 3A2-50
TROUBLE CODE DIAGNOSIS
- DISEL VEHICLE ...................................... 3A2-52
Tcm diagnostic system overview ........... 3A2-52
Clearing trouble codes .......................... 3A2-52
Diagnostic trouble codes ...................... 3A2-52
REPAIR INSTRUCTIONS ......................... 3A2-159
ON-VEHICLE SERVICE ........................... 3A2-159
Transmission ...................................... 3A2-159
UNIT REPAIR .......................................... 3A2-162
Rebuild warnings ................................ 3A2-162
Disassembly procedure ...................... 3A2-163
Assembly procedure ........................... 3A2-173
Front and rear band adjustment ......... 3A2-201
Gear shift control lever ....................... 3A2-204
Kickdown switch .................................. 3A2-205
Transmission control module .............. 3A2-205
SPECIFICATIONS ................................... 3A2-206
General specification .......................... 3A2-206
Fastener tightening specifications ...... 3A2-210
SCHEMATIC AND ROUTING DIAGRAMS
................................................................ 3A2-211
TCU wiring diagrams
(gasoline engine) ............................... 3A2-211
TCU wiring diagrams (diesel engine) .. 3A2-213
Connector end view ............................ 3A2-215
SPECIAL TOOLS AND EQUIPMENT ....... 3A2-216
3A2-1
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