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TCM Terminal Voltage/Measuring Conditions
A l26Pl Connector
B (22PlConnector
TCM Terminal Locations
2
5
6
7
8
9
' 1 0
1 1
1 3
2
3
5
1
I
I
1 0
1 1
,/l/
2 0
2 4
2 6
1 2
1 4
,/l/
1 1
2 0
,/1,/
T6rminal Number
Signal
Description
Measuring Conditions/T€rminal Voltag€
A'I
Not used
A2
S H B
Shift control solenoid valve B
control
In 1st and 2nd gear in E anO E positions and
E position: Battery voltage
ln E position,3rd and 4th gear in E anO E
p o s i t i o n s : 0 V
SHA
Shift control solenoid valve A
control
In E, E positions,2nd and 3rd gear in E and
E positions: Batteryjloltage
In lst gear in !d and -qtl positons and 4th gear
i n E o o s i t i o n : 0 V
A4
Not used
A5
NE
Engine speed signal input
When engine is rotating: Pulsing signal
ATPl
A,/T gear position switch
E position input
In L!-l position: 0 V
In other than I
position: Battery voltage
A7
ATP2
Ay'T gear position switch
E position input
I n 1 3 p o s i t i o n : 0 V
In other than E position: Battery voltage
A8
ATP D3
A,/T gear position switch
E position input
I n E p o s i t i o n : 0 V
In other than @ position: Battery voltage
A9
ATP D4
A,/T gear position switch
E position input
I n E p o s i t i o n ; 0 V
In other than El position: Battery voltage
4 1 0
ATP PN
A,/T gear position switch
E and E positions input
I n E o r E p o s i t i o n s : O V
In other than E or N position: Battery vottage
4 1 1
ATP R
A/T gear position switch
E position input
l n E p o s i t i o n : o V
ln other than E position: 8attery voltage
412
t G l
Power supply system
With ignition switch ON (lll: Battery voltage
4 1 3
L G 1
G r o u n d
A 1 4
Not used
A 1 5
LCB
Lock-up control solenoid valve B
control
During hall and full lock-up and during deceler-
ation: Battery voltage
D u r i n g n o l o c k - u p : 0 V
A 1 6
LCA
Lock-up control solenoid valve A
control
When lock-up is ON; Battery voltage
With no lock-up: 0 V
417
D4 IND
D4 Indicator light control
When ignition switch is first turned ON (ll):
Battery voltage for two seconds
In E position: Battery voltsge
A 1 8
Not used
A 1 9
Not used
420
AT CHK
Upshifvdownshift comparative
signal output
With ignition switch ON (ll): Pulsing signal
421
Not used
422
ILU
Interlock control
When ignition switch is ON (ll), brake pedal
deoressed and accelerator oedal released:
Battery voltage
423
VBU
Back-up power system
Always Battery voltage
I
l
I
I
14-44
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Troubleshooting
