Honda Civic Service Manual page 906

TCM Terminal Voltage/Measuring Gonditions
('96 - 98 Modelsl
TCM Terminal Loc.tions
TCM-A l25P) Connecto.
TCM CONNECTOR A (26P}
TCM-B (22P) Connectot
2
4
1 8
9 1 0
1 1
12 1 3
1 1 1 5 16 1 7
20
23 25 26
Terminal Numbet
Signal
Dsscription
Moasuring Conditions/Torminsl Vohrgo
A 1
SC LS_
Stan clutch control linear solenoid
power supply negative electrode
Engine idling, E position:
Approx. 0.4 V
HLC LS-
PH-PL control linear solenoid Dower
supply negative electrode
Engine idling, E position:
Approx. 0.7 V
Shift control linear solenoid oower
supply negative electrode
Engine idling, E position:
Approx. 0.8 V
A4 L G 1
Ground
NE
Engine speed signal input
With engine running: Pulsing signal
A6
Not used
A7
ATP L
A/f gear position switch El position
signal input
I n E p o s i t i o n : O V
In other than El position: Approx. 1O V
A8
ATP S
ly'T gear position switch E position
signal input
In lg position: 0 V
In other than E position: Approx. 10 V
A9
ATP D
A{/T gear position switch E position
signal input
In lll position: 0 V
In other than E position: Approx. 10 V
A r 0
ATP NP
A,/T gear position switch E or E
position signals input
I n E o r E p o s i t i o n : o V
In otherthan E orE position: Approx. 1O V
A 1 1
ATP R
A,/T gear position switch E position
signal input
In lE position: 0 V
In other than E position: Approx. 1O V
A.12 t G l Power supply system
With ignition switch ON (ll): Banery voltsge
With ignition switch OFF: 0 V
A 1 3
P G 1
Ground
4 1 4
Start clutch control linea. solenoid
power supply positive electrode
Engine idling, E position:
Approx. 2.5 V
A 1 5 HLC LS+
PH-PL control line8|. solenoid power
supply positive electrode
Engine idling, El position:
Approx. 5.0 V
A 1 6
SH LS+
Shift control linear solonoid oower
supply positive electrode
Engine idling, E position:
Approx. 6.0 V
417
Ground
A 1 8 Not used
A 1 9
Not used
420
D IND
E indicator light control
When l9l indicator light comes on: Approx. jO V
When lll indicator lighr OFF: 0 V
A2'l Not used
422
Not used
VBU
Back-up power system
Always battery voltage
424
Not used
A.25
t G 1 Power supply system
With ignition switch ON (lt): Baftery voltage
With ignition switch OFF:0 V
P G 1 Ground
14-228