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Control Module, A/T

ECT Computer Terminal Voltages

Terminal /
Measuring Condition [1] Voltage (V)

V+(9) - Vt-(11)
Ignition ON 5.3 - 6.0

Vth(10) - Vt (11)
Fully open throttle valve 0.6 - 1.6
Fully closed throttle valve 4.4 - 5.6

SP1(21) - GND(18)
When meter cable turns slowly above 2 and below 5.4

SP2(22) - GND(18)
When vehicle stops (idling) above 2 and below 5.4

2(16) - GND(18)
Range 2 8 - 16
Other than Range 2 0

L(17) - GND(18)
Range L 8 - 16
Other than Range L 0

PWR(4) - GND(18)
Power Switch ON 8 - 16
Power Switch OFF 0

OD1(20) - GND(18)
Coolant Switch ON (above 70°C) 0 - 2
Coolant Switch OFF (below 70°C) 9.2 - 15

BK(15) - GND(18)
Depress brake 8 - 16
Release brake 0

OD2(8) - GND(18)
O/D Switch ON 0 - 2
O/D Switch OFF 10 - 16

L4(7) - GND(18)
Transfer Position 2H or 4H 9.2 - 15
Transfer Posistion 4L 0 - 2

TH1+(5) - TH-(19)
Open between terminals 6.1

TH2+(12) - TH-(19)
Open between terminals 6.1

S1(1) - GND(18)
OFF (3rd of O/D) 0.007 - 0.017
ON (1st or 2nd) 10 - 16

S2(2) - GND(18)
OFF (1st of O/D) 0.007 - 0.017
ON (2nd or 3rd) 10 - 16

S3(3) - GND(18)
OFF (lock-up OFF) 0.007 - 0.017
ON (lock-up ON) 10 - 16

S4(6) - GND(18)
OFF (L4 disabled) 0.007 - 0.017
ON (L4 enabled) 10 - 16

DG(24) - GND(18)
During diagnosis 0 - 8

+B(14) - GND(18)
Ignition ON 10 - 16

IGN(13) - GND(18)
Ignition ON 10 - 16



[1] Ignition Switch ON for all test conditions shown.