Terminal Voltage (A/T Control Unit)
Z-64spec tableTerminal Voltage
A/T Control Unit terminal voltage
1A (Battery power)
Connected toBattery
VoltageApprox. 12V
ConditionIgnition switch ON
1A (Battery power)
Connected toBattery
VoltageBelow 1.5V
ConditionIgnition switch OFF
1B (Ground)
Connected to—
VoltageBelow 1.5V
Condition—
1C (Input)
Connected toOD OFF switch
VoltageApprox. 12V
ConditionOD OFF switch released; OD not available
1C (Input)
Connected toOD OFF switch
VoltageBelow 1.5V
ConditionOD OFF switch depressed; OD available
1D (Input)
Connected toKickdown switch
VoltageApprox. 12V
ConditionSwitch ON: Throttle opening 7/8—8/8
1D (Input)
Connected toKickdown switch
VoltageBelow 1.5V
ConditionSwitch OFF: Other than conditions above
1E (Input)
Connected to4-3 switch
VoltageApprox. 12V
ConditionSwitch ON: Throttle opening 6/8—8/8
1E (Input)
Connected to4-3 switch
VoltageBelow 1.5V
ConditionSwitch OFF: Other than conditions above
1F (Input)
Connected toOil pressure switch
VoltageApprox. 12V
ConditionSwitch OFF: 1st, 2nd, and 3rd gear positions in forward ranges; P, R, and N ranges
1F (Input)
Connected toOil pressure switch
VoltageBelow 1.5V
ConditionSwitch ON: OD gear position
1H (Input)
Connected toEngine control unit
VoltageBelow 1.5V
ConditionIgnition switch ON
1I
Connected to—
Voltage—
Condition—
1J (Input)
Connected toCruise control unit
VoltageApprox. 12V
ConditionNormal conditions
1J (Input)
Connected toCruise control unit
VoltageBelow 1.5V
ConditionSet or Resume switch ON, or vehicle speed 8 km/h (5 mph) lower than preset speed (Driving vehicle: cruise control operation)
1K (Output)
Connected toOD cancel solenoid
VoltageApprox. 12V
ConditionSolenoid OFF: OD gear position
1K (Output)
Connected toOD cancel solenoid
VoltageBelow 1.5V
ConditionSolenoid ON: 1st, 2nd, and 3rd gear positions in forward ranges; P, R, and N ranges
1L (Input)
Connected toSpeed sensor
Voltage1.5—7V
ConditionDuring driving
1L (Input)
Connected toSpeed sensor
VoltageApprox. 7V or below 1.5V
ConditionVehicle stopped
1M (Input)
Connected toKickdown relay
VoltageApprox. 12V
ConditionKickdown relay OFF: Other than conditions below
1M (Input)
Connected toKickdown relay
VoltageBelow 1.5V
ConditionKickdown relay ON: Kickdown switch ON (throttle opening more than 7/8)
1N (Output)
Connected toLockup solenoid
VoltageApprox. 12V
ConditionSolenoid OFF: Lockup prohibition / Ignition switch ON
1N (Output)
Connected toLockup solenoid
VoltageBelow 1.5V
ConditionSolenoid ON: Lockup / Engine running