CHECK AT A/T-ECU TERMINALS





Terminal No.
Check item
Inspection condition
Standard value
1
Earth
Always
1 V or less
7
Ignition switch
Ignition switch: LOCK (OFF)
1 V or less
Ignition switch: LOCK (OFF) to ON
System voltage to 1 V or less (after several seconds have elapsed)
18
Earth
Always
1 V or less
21
Backup power supply
Always
System voltage
41
UD solenoid valve

  • Engine: Idling
  • Selector lever position: Sport mode (1st gear)

System voltage

  • Engine: Idling
  • Selector lever position: P

6 - 9 V
42
OD solenoid valve

  • Engine: Idling
  • Selector lever position: Sport mode (3rd gear)

System voltage

  • Engine: Idling
  • Selector lever position: P

6 - 9 V
43
Solenoid valve power supply
Ignition switch: LOCK (OFF)
1 V or less
Ignition switch: ON
System voltage
44
A/T control relay
Always
1 V or less
45
Input shaft speed sensor

  • Measure between terminals 64 and 88 with an oscilloscope.
  • Engine: 2,000 r/min
  • Selector lever position: Sport mode (3rd gear)

Refer to , Inspection Procedure Using an Oscilloscope.
46
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
47
Earth
Always
1 V or less
48
DCC solenoid valve

  • Engine: Idling
  • Selector lever position: P

System voltage
49
Solenoid valve power supply
Ignition switch: LOCK (OFF)
1 V or less
Ignition switch: ON
System voltage
51
Output shaft speed sensor

  • Measure between terminals 73 and 88 with an oscilloscope.
  • Engine: 2,000 r/min
  • Selector lever position: Sport mode (3rd gear)

Refer to , Inspection Procedure Using an Oscilloscope.
52
Sensor earth
Always
1 V or less
53
Power supply voltage
Always
System voltage
54
2ND solenoid valve

  • Engine: Idling
  • Selector lever position: Sport mode (2nd gear)

System voltage

  • Engine: Idling
  • Selector lever position: P

6 - 9 V
57
Inhibitor switch: L

  • Ignition switch: ON
  • Selector lever position: L

System voltage

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

1 V or less
58
Inhibitor switch: 2

  • Ignition switch: ON
  • Selector lever position: 2

System voltage

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

1 V or less
59
Inhibitor switch: 3

  • Ignition switch: ON
  • Selector lever position: 3

System voltage

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

1 V or less
61
LR solenoid valve

  • Engine: Idling
  • Selector lever position: P

System voltage

  • Engine: Idling
  • Selector lever position: Sport mode (2nd gear)

6 - 9 V
63
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
64
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
65
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
66
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