A/T-ECU TERMINAL VOLTAGE REFERENCE CHART





Terminal No.
Check item
Inspection condition
Standard value
39
Stop lamp switch
Brake pedal: Depressed
System voltage
Brake pedal: Released
1 V or less
55
4LLc detection switch

  • Ignition switch: ON
  • Selector lever operation: N
  • Transfer position: 4LLc

1 V or less

  • Ignition switch: ON
  • Selector lever operation: N
  • Transfer position: Other than above

System voltage
64
Input shaft speed sensor

  • Measure between terminals 64 and 88 with an oscilloscope.
  • Engine: 2,000 r/min
  • Selector lever position: Sport mode (4th gear)

Refer to , Inspection Procedure Using an Oscilloscope.
66
Inhibitor switch: P

  • Ignition switch: ON
  • Selector lever position: P

System voltage

  • Ignition switch: ON
  • Selector lever position: Other than above

1 V or less
67
Inhibitor switch: R

  • Ignition switch: ON
  • Selector lever position: R

System voltage

  • Ignition switch: ON
  • Selector lever position: Other than above

1 V or less
68
Shift switch (Down)

  • Ignition switch: ON
  • Selector lever operation: Downshift and hold the selector lever

System voltage

  • Ignition switch: ON
  • Selector lever operation: Other than above

1 V or less
73
Output shaft speed sensor

  • Measure between terminals 73 and 88 with an oscilloscope.
  • Engine: 2,000 r/min
  • Selector lever position: Sport mode (4th gear)

Refer to , Inspection Procedure Using an Oscilloscope.
75
Inhibitor switch: N

  • Ignition switch: ON
  • Selector lever position: N

System voltage

  • Ignition switch: ON
  • Selector lever position: Other than above

1 V or less
76
Inhibitor switch: D

  • Ignition switch: ON
  • Selector lever position: D

System voltage

  • Ignition switch: ON
  • Selector lever position: Other than above

1 V or less
77
Shift switch (Up)

  • Ignition switch: ON
  • Selector lever operation: Upshift and hold the selector lever

System voltage

  • Ignition switch: ON
  • Selector lever operation: Other than above

1 V or less
79
Vehicle speed signal

  • Measure between terminals 79 and earth with an oscilloscope.
  • Engine: 2,000 r/min
  • Selector lever position: Sport mode (4th gear)

Refer to , Inspection Procedure Using an Oscilloscope.
85
Select switch

  • Ignition switch: ON
  • Selector lever position: Sport mode

System voltage

  • Ignition switch: ON
  • Selector lever position: Other than above

1 V or less
88
Sensor earth
Always
1 V or less
96
Sensor earth
Always
1 V or less
119
A/T fluid temperature sensor

  • Ignition switch: ON
  • A/T fluid temperature: 20°C

3.8 - 4.0 V

  • Ignition switch: ON
  • A/T fluid temperature: 40°C

3.2 - 3.4 V

  • Ignition switch: ON
  • A/T fluid temperature: 80°C

1.7 - 1.9 V
123
Solenoid valve power supply
Ignition switch: LOCK (OFF)
1 V or less
Ignition switch: ON
System voltage
124
Solenoid valve power supply
Ignition switch: LOCK (OFF)
1 V or less
Ignition switch: ON
System voltage
127
A/T control relay
Ignition switch: OFF
1 V or less
Ignition switch: ON
System voltage to 1 V or less (after several seconds have elapsed)
128
LR solenoid valve

  • Engine: Idling
  • Selector lever position: P

System voltage

  • Engine: Idling
  • Selector lever position: 2nd gear

6 - 9 V
129
RED solenoid valve

  • Engine: Idling
  • Selector lever position: 5th gear

System voltage

  • Engine: Idling
  • Selector lever position: P

6 - 9 V
130
DCC solenoid valve

  • Engine: Idling
  • Selector lever position: P

System voltage
131
Earth
Always
1 V or less
136
2ND solenoid valve

  • Engine: Idling
  • Selector lever position: 2nd gear

System voltage

  • Engine: Idling
  • Selector lever position: P

6 - 9 V
137
UD solenoid valve

  • Engine: Idling
  • Selector lever position: 1st gear

System voltage

  • Engine: Idling
  • Selector lever position: P

6 - 9 V
138
OD solenoid valve

  • Engine: Idling
  • Selector lever position: 3rd gear

System voltage

  • Engine: Idling
  • Selector lever position: P

6 - 9 V
139
Earth
Always
1 V or less