Isuzu KB P190. Manual — part 1071
CONSTRUCTION AND FUNCTION 7A1-45
4th Gear (O/D) in D Position
The driving force from the input shaft is transmitted to the rear sun gear and reverse & high clutch drum.
Since the 2-4 brake is engaged, the front sun gear is fixed. In addition to this the high clutch is engaged. As
a result, the front pinion gear rotates itself together with other gears clockwise. This rotation increases the
speed of rotation of the front internal gear and is transmitted to the output shaft.
TRANSMISSION CONTROL SYSTEM (JR405E) 7A2-1
TRANSMISSION
TRANSMISSION CONTROL SYSTEM (JR405E)
This manual conforms when Scan Tool of ISO CAN Base Software is used.
TABLE OF CONTENTS
Specifications . . . . . . . . . . . . . .. 7A2-2
Transmission General Specifications. . . ... 7A2-2
Transmission Fluid Temperature vs. Resistance. . 7A2-3
Clutch, Brake, Solenoid and Pressure Switch Logic . . 7A2-4
Diagnostic Trouble Code (DTC) List . . . . 7A2-5
Schematic and Routing Diagrams. . . . . ... 7A2-6
Transmission Controls Schematics. . . . .. 7A2-6
Component Locator. . . . . . . . . . ... 7A2-13
Transmission Controls Component Views . . 7A2-13
Transmission Control Module (TCM)
Connector End Views . . . . . . . . ... 7A2-17
Transmission Control Connector End Views.. 7A2-18
Diagnostic Information and Procedures . . . 7A2-21
Diagnostic Starting Point - Transmission Controls. . . 7A2-21
Diagnostic System Check - Transmission Controls . ... 7A2-22
Scan Tool Data List. . . . . . . . . . 7A2-24
Scan Tool Data Definitions. . . . . . . . 7A2-25
Scan Tool Output Controls. . . . . . . . 7A2-27
Scan Tool Does Not Power Up . . . . . .. 7A2-28
Scan Tool Does Not Communicate
with Keyword Device . . . . . . . . . 7A2-29
with The Transmission Control Module (TCM) . 7A2-31
DTC P0560 (Flash Code 16). . . . . . .. 7A2-33
DTC P0602 . . . . . . . . . . . . . 7A2-35
DTC P0705 (Flash Code 17). . . . . . .. 7A2-36
DTC P0710 (Flash Code 15). . . . . . .. 7A2-40
DTC P0717 (Flash Code 14). . . . . . .. 7A2-44
DTC P0722 (Flash Code 11). . . . . . .. 7A2-47
DTC P0727 (Flash Code 13). . . . . . .. 7A2-50
DTC P0731, P0732, P0733 or P0734
(Flash Code 41, 42, 43 or 44). . . . . ... 7A2-52
DTC P0748 (Flash Code 35). . . . . . .. 7A2-55
DTC P0753 (Flash Code 31). . . . . . .. 7A2-58
DTC P0758 (Flash Code 32). . . . . . .. 7A2-61
DTC P0763 (Flash Code 33). . . . . . .. 7A2-64
DTC P0768 (Flash Code 34). . . . . . .. 7A2-67
DTC P1120 (Flash Code 22). . . . . . .. 7A2-70
DTC P1750 (Flash Code 51). . . . . . .. 7A2-71
DTC P1755 (Flash Code 52). . . . . . .. 7A2-73
DTC P1853 (Flash Code 26). . . . . . .. 7A2-75
DTC P1858 (Flash Code 27). . . . . . .. 7A2-78
DTC P1860 (Flash Code 36). . . . . . .. 7A2-81
DTC P1863 (Flash Code 28). . . . . . .. 7A2-84
DTC P1875 (Flash Code 25). . . . . . .. 7A2-87
Check Trans Lamp Inoperative,
Always On or Always Blinking . . . . . .. 7A2-89
Symptoms - Transmission Controls . . . . .. 7A2-92
Symptoms - Transmission Controls . . . ... 7A2-92
Intermittent Conditions . . . . . . . . ... 7A2-93
Test Instructions . . . . . . . . . . . .. 7A2-121
Line Pressure Test . . . . . . . . . ... 7A2-121
Stall Test . . . . . . . . . . . . . .. 7A2-123
Time Lag Test . . . . . . . . . . . .. 7A2-124
Road Test. . . . . . . . . . . . . . 7A2-125
TCM Signal Test . . . . . . . . . . .. 7A2-134
Repair Instructions . . . . . . . . . . .. 7A2-139
Transmission Controls Module (TCM) Replacement. 7A2-139
Service Programming System (SPS) Description. . 7A2-139
Service Programming System
(SPS) (Remote Procedure). . . . . . . 7A2-140
(SPS) (Pass-Thru Procedure). . . . . . 7A2-141
Description and Operation . . . . . . . .. 7A2-143
Transmission Identification Information. . 7A2-143
Transmission General Description . . . ... 7A2-143
Transmission Component Description . . . 7A2-144
Transmission Control System Description ... 7A2-152
Transmission Power Flow Description . . . 7A2-161
7A2-2 TRANSMISSION CONTROL SYSTEM (JR405E)
Specifications
Transmission General Specifications
Transmission model
JR405E
Transmission type: J
Jatco
Transmission type: R
Rear wheel drive
Transmission type: 4
Four forward gears
Transmission type: 05
Product series
Transmission type: E
Electronic controls
Torque converter type
Three elements, one stage & two phases type with torque converter clutch
Torque converter stall torque ratio
1.8
Transmission fluid
Name
DEXRON III
Capacity (L)
9.2 - 9.6
Cooling system
Water cooled type
Gear ratio
1st
2.785
2nd
1.545
3rd
1.000
4th
0.694
Reverse
2.272
Clutch
High clutch (Number of disc)
5
Low clutch (Number of disc)
7
Reverse clutch (Number of disc)
2
One-way clutch
Low one-way clutch (Number of set)
1
Brake
Low & reverse brake (Number of disc)
6
2-4 brake (Number of disc)
5
Front planetary gear unit
Sun gear (Number of teeth)
33
Pinion gear (Number of teeth)
21
Ring gear (Number of teeth)
75
Rear planetary gear unit
Sun gear (Number of teeth)
42
Pinion gear (Number of teeth)
17
Ring gear (Number of teeth)
75
TRANSMISSION CONTROL SYSTEM (JR405E) 7A2-3
Transmission Fluid Temperature vs. Resistance
°C
°F
Ohms
Temperature vs. Resistance Value (Approximately)
150
302
60
140
284
80
130
266
90
120
248
120
110
230
150
100
212
190
90
194
250
80
176
320
70
158
430
60
140
590
50
122
820
40
104
1160
30
86
1680
20
68
2500
10
50
3820
0
32
6030
-10
14
9840
-20
-4
16710
-30
-22
29610
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