TCM Inputs and Outputs at Connector A (37P)
Terminal number
Wire color
Terminal name
Description
3
BRN
VSSAMT
Detects vehicle speed sensor signal
4
YEL
STS (STARTER SWITCH SIGNAL)
Detects starter switch signal
9
LT GRN
IG1 (IGNITION SIGNAL)
Detects ignition signal
10
BLU
STEN (STARTER ENABLE)
Detects starter enable signal
20
PNK
WEN (WRITE ENABLE SIGNAL)
Detects write enable signal
28
WHT
VBU
Power souse for the TCU circuit
29
BLK
PG (Power Ground)
Ground circuit for TCU circuit
31
WHT
CANL (CAN COMMUNICATION SIGNAL LOW)
Sends communication signal
33
RED
CANH (CAN COMMUNICATION SIGNAL HIGH)
Sends communication signal
35
GRN
BKAWD
Detects brake signal
  37 *
GRY
S-SWITCH
Detects S-mode switch signal

*:
R18A2 engine model