Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Control Module: Diagrams



Control Module Located In Module Box (Aluminum)

TCM (N15(1):






F23 Module box
1 Valve block control valve (Y3/1y2) (+)
2-9 Not used
10 Valve block control valve (Y3/1y2) (-)
13-17 Not used
23 Voltage supply circuit 87SA (from base module N16/1)
24 Not used
25 Diagnosis (output)
26 Not used
27 Kickdown switch (S16/6)
28 TR "D" contact switch (S16/9)
29 Transmission mode switch (S16/5)
30 Not used
31 Ground (W15)
33 Not used
34 Transmission overload protection switch (S65)
35-38 Not used
L CAN Data line (-)
H CAN Data line (+)


Control Module Located In Module Box (Plastic)

TCM (N15/1):






1 Valve block control valve (y3/1y2) (+)
2-9 Not used
10 Valve block control valve (Y3/1y2) (-)
12-17 Not used
23 Voltage supply circuit 87SA
24 Not used
25 Diagnosis (output)
26 Not used
27 Kickdown switch (S16/6)
28 TR "D" contact switch (S16/9)
29 Transmission mode switch (S16/5)
30 Ground (W15, W15/1)
33 Not used
34 Transmission overload protection switch (S65)
35-38 Not used
L CAN Data line (-)
H CAN Data line (+)