Suzuki WagonR+ RB310 Service Manual page 1418

Transmission control module (TCM)
TCM is an electronic circuit component that controls gear shift, idle-up according to the signal from each sensor.
Also it has learning control function for performing optimum control. It is a microcomputer consisting of an IC,
transistor, diode, etc. It is installed behind glove box.
5
6
7
8
P
IG11
R
Y
N
D
2
L
1. "O/D OFF" lamp
2. O/D off switch
3. Brake light
4. Brake light switch
5. ECM
6. Barometric pressure sensor
7. To A/C compressor
8. Transmission range sensor
1
Bl/Y E13-21
IG1
2
E13-17
Bl/B
4
+BB
3
E13-4
G/W
12V
E22-14 W E13-8
E22-21
Y/B E12-8
E21-5 Gr E13-18
12V
E22-23
Bl/W E13-20
12V
E23-16 Br/Y E12-5
E13-5
B/Y
O
E12-1
R E12-2
E12-3
Bl/Y
9
G/R E12-9
G E12-10
G/B E12-11
E13
9. Backup lamp
10. A/T
11. Transmission fluid temperature sensor
12. Shift solenoid valve-A (No.1)
13. Shift solenoid valve-B (No.2)
14. Shift solenoid valve-C (No.3)
15. Shift solenoid valve-D (No.4)
16. Shift solenoid valve-E (No.5)
5V
E13-3
Bl
12V
12V
28
E13-16 G
E13-10
B/R
E13-23
B/O
12V
E13-24
R/W
E13-25
Y/Bl
E13-26
W/Bl
12V
E13-22 Br
12V
E13-11 R
5V
Y
E13-12
W
E13-13
E12-6 W
E12-14 B
E12-13 B
E12-7 Lg
E12-15 Lg/B
12V
E13-2 P/Bl
5V
E13-15 B
E12-12 W/R
17. TCC (lock-up) solenoid valve
18. Dropping resister
19. Output shaft speed sensor
20. Input shaft speed sensor
21. A/T relay
22. Ignition switch
23. Data link connector (DLC)
24. Terminal arrangement of TCM connector
(viewed from harness side)
AUTOMATIC TRANSMISSION (4 A/T) 7B-7
10
12
13
14
15
R/W
16
17
Y/Bl
W/Bl
18
19
20
21
+BB
22
IG1
IG11
W/R
23
E12
24
11