Automatic Transmission System (SBC)

Transmission Control Module (TCM) Circuit Diagrams

~7min read

1. TCM Connector and Terminal Function

2. TCM Terminal Function

Connector
Pin Description Pin Description
1 Battery Charge 48 -
2 Battery Charge 49 -
3 Power (IG 1) 50 27 Brake Control Solenoid Valve
4 Ground 51 -
5 Ground 52 On/Off Solenoid Valve
6 Ground 53 -
7 - 54 Input Speed Sensor Signal
8 - 55 Mid Speed Sensor Signal
9 - 56 Output Speed Sensor Signal
10 - 57 -
11 - 58 -
12 - 59 -
13 Inhibitor Switch Signal "S1" 60 -
14 Transmission Fluid Temperature Sensor (+) 61 Sport Mode Select Switch
15 - 62 -
16 Sport Mode Up Switch 63 -
17 Sport Mode Down Switch 64 -
18 - 65 CAN Communication Line (Low)
19 - 66 -
20 - 67 -
21 Inhibitor Switch Signal "S2" 68 -
22 "S4" Inhibitor Switch Signal 69 -
23 Inhibitor Switch Signal "S3" 70 Solenoid Power Supply 2
24 - 71 -
25 - 72 -
26 - 73 Solenoid Power Supply
(4 and OD/C, 35R/C, 6/C, L/P)
27 - 74 -
28 - 75 -
29 Solenoid Power Supply (UD/C, 27/B, 8LR/B, D/C) 76 -
30 Input Speed Sensor Power 77 -
31 Mid Speed Sensor Power 78 -
32 - 79 -
33 - 80 -
34 - 81 -
35 - 82 -
36 - 83 -
37 - 84 -
38 Oil Temperature Sensor (-) 85 CCP CAN Low
39 - 86 CCP CAN High
40 - 87 CAN Communication Line (High)
41 35R Clutch Control Solenoid Valve 88 -
42 8LR Brake Control Solenoid Valve 89 -
43 Overdrive Clutch Control Solenoid Valve 90 -
44 6 Clutch Control Solenoid Valve 91 -
45 Line Pressure Control Solenoid Valve 92 -
46 Torque Converter Damper Clutch Control Solenoid Valve 93 Output Speed Sensor Power
47 4 and OD Clutch Control Solenoid Valve 94 -

3. TCM Terminal Input/Output Signals

Pin Description Condition Input/Output Value
Type Level
1 Battery Charge ON Power 0 V/Battery Voltage Level
2 OFF 9 V < Battery Voltage Level < 16 V
3 Power (IG 1) ON Input Battery Voltage Level
OFF 0 V Voltage Level
4 Ground - Ground 0 V (Ground Level)
5 Ground - Ground 0 V (Ground Level)
6 Ground - Ground 0 V (Ground Level)
7 - ON Output Approx. 1 V
OFF Battery Voltage Level
8 - - Output 0 V/Battery Voltage Level
9 V < Battery Voltage Level < 16 V
9 - - - -
10 - ON Pulse Input Voltage level approx. 9 V ~ 11 V
OFF 0 V Voltage Level
11 - - - -
12 - - - -
13 Inhibitor Switch Signal "S1" ON Input Battery Voltage Level
OFF 0 V (Ground)
14 Transmission Fluid Temperature Sensor (+) - Input Maximum voltage level 5 V
15 - - - -
16 Sport Mode Up Switch ON Input 0 V (Ground)
OFF Battery Voltage Level
17 Sport Mode Down Switch ON Input 0 V (Ground)
OFF Battery Voltage Level
18 - - Input 0 V/Battery Voltage Level
19 - - - -
20 - - - -
21 Inhibitor Switch Signal "S2" ON Input Battery Voltage Level
OFF 0 V (Ground)
22 "S4" Inhibitor Switch Signal ON Input Battery Voltage Level
OFF 0 V (Ground)
23 Inhibitor Switch Signal "S3" ON Input Battery Voltage Level
OFF 0 V (Ground)
24 - - - -
25 - - - -
26 - - Output 0 V/Battery Voltage Level
9 V < Battery Voltage Level < 16 V
27 - - - -
28 - - Output 0 V/Battery Voltage Level
9 V < Battery Voltage Level < 16 V
29 Solenoid Power Supply
(UD/C, 27/B, 8LR/B, D/C)
- Power Battery Voltage Level
9 V < Battery Voltage Level < 16 V
30 Input Speed Sensor Power ON Output Approx. 9 V voltage level
OFF 0 V
31 Mid Speed Sensor Power ON Output Approx. 9 V voltage level
OFF 0 V
32 - - - -
33 - - - -
34 - - - -
35 - - - -
36 - - - -
37 - - - -
38 Oil Temperature Sensor (-) - Input Minimum voltage level 0 V
39 - - - -
40 - - - -
41 35R Clutch Control Solenoid Valve - Output 0 V/Battery Voltage Level
9 V < Battery Voltage Level < 16 V
42 8LR Brake Control Solenoid Valve - Output 0 V/Battery Voltage Level
9 V < Battery Voltage Level < 16 V
43 Overdrive Clutch Control Solenoid Valve - Output 0 V/Battery Voltage Level
9 V < Battery Voltage Level < 16 V
44 6 Clutch Control Solenoid Valve - Output 0 V/Battery Voltage Level
9 V < Battery Voltage Level < 16 V
45 Line Pressure Control Solenoid Valve - Output 0 V/Battery Voltage Level
9 V < Battery Voltage Level < 16 V
46 Torque Converter Damper Clutch Control Solenoid Valve - Output 0 V/Battery Voltage Level
9 V < Battery Voltage Level < 16 V
47 4 and OD Clutch Control Solenoid Valve - Output 0 V/Battery Voltage Level
9 V < Battery Voltage Level < 16 V
48 - - - -
49 - - - -
50 27 Brake Control Solenoid Valve - Output 0 V/Battery Voltage Level
9 V < Battery Voltage Level < 16 V
51 - - - -
52 On/Off Solenoid Valve - Output 0 V/Battery Voltage Level
9 V < Battery Voltage Level < 16 V
53 - ON Output 0 V
OFF Battery Voltage Level
54 Input Speed Sensor Signal ? Pulse Input Low: approx. 0.7 V, High: 1.4 V
NTU1 ? Maximum/minimum frequency:
9 kHz/0 Hz
55 Mid Speed Sensor Signal ? Pulse Input Low: approx. 0.7 V, High: 1.4 V
NTU2 ? Maximum/minimum frequency:
9 kHz/0 Hz
56 Output Speed Sensor Signal ? Pulse Input Low: approx. 0.7 V, High: 1.4 V
NAB ? Maximum/minimum frequency:
9 kHz/0 Hz
57 - - - -
58 - - - -
59 - - - -
60 - - - -
61 Sport Mode Select Switch Sport Mode Input 0 V/Battery Voltage Level
Other 9 V < Battery Voltage Level < 16 V
62 - - - -
63 - - - -
64 - - - -
65 CAN Communication Line (Low) - - -
66 - - - -
67 - - - -
68 - - - -
69 - - - -
70 Solenoid Power Supply 2 - Power Battery Voltage Level
9 V < Battery Voltage Level < 16 V
71 ? - - -
72 ? - - -
73 Solenoid Power Supply
(4 and OD/C, 35R/C, 6/C, L/P)
- Power Battery Voltage Level
9 V < Battery Voltage Level < 16 V
74 ? - - -
75 ? - - -
76 ? - - -
77 ? - - -
78 ? - - -
79 ? - - -
80 ? - - -
81 ? - - -
82 ? - - -
83 ? - - -
84 ? - - -
85 ? - - -
86 ? - - -
87 CAN Communication Line (High) - - -
88 ? ? ? ?
89 ? ? ? ?
90 ? ? ? ?
91 ? ? ? ?
92 ? - - -
93 Output Speed Sensor Power ON Output Approx. 9 V voltage level
OFF 0 V
94 ? ? ? ?

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