A/T-ECU TERMINAL VOLTAGE REFERENCE CHART





Terminal No.
Terminal code
Check item
Inspection condition
Standard value
1
PCU1
Solenoid valve power supply
Ignition switch: LOCK (OFF)
1 V or less
Ignition switch: ON
System voltage
2
SLU
Lock-up solenoid
Measure between terminals 2 and 6 with an oscilloscope.
Refer to , Inspection Procedure Using an Oscilloscope.
3
SLT
Line pressure control solenoid
Measure between terminals 3 and 6 with an oscilloscope.
Refer to , Inspection Procedure Using an Oscilloscope.
4
SLUG
Lock-up solenoid earth
Measure between terminals 4 and 6 with an oscilloscope.
Refer to , Inspection Procedure Using an Oscilloscope.
5
SLTG
Line pressure control solenoid earth
Measure between terminals 5 and 6 with an oscilloscope.
Refer to , Inspection Procedure Using an Oscilloscope.
6
GRP1
Earth
Always
1 V or less
7
SVSA
Shift solenoid No.1

  • Engine: Idling
  • Selector lever position: P

System voltage
Steady state driving in 3rd, 4th or 5th
1 V or less
8
SVSB
Shift solenoid No.2

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

System voltage

  • Engine: Idling
  • Selector lever position: P

1 V or less
9
SVSC
Shift solenoid SR

  • Engine: Idling
  • Selector lever position: P

1 V or less
Steady state driving in 5th
System voltage
11
GRSE
A/T fluid temperature sensor 1 earth
Always
1 V or less
12
O/TS
A/T fluid temperature sensor 1

  • 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
13
GSE2
A/T fluid temperature sensor 2 earth
Always
1 V or less
14
SL1G
Clutch control solenoid No.1 earth
Measure between terminals 14 and 6 with an oscilloscope.
Refer to , Inspection Procedure Using an Oscilloscope.
17
SRAM
Back up power supply
Always
System voltage
18
GRP2
Earth
Always
1 V or less
19
SL1
Clutch control solenoid No.1
Measure between terminals 19 and 6 with an oscilloscope.
Refer to , Inspection Procedure Using an Oscilloscope.
20
SL2
Clutch control solenoid No.2
Measure between terminals 20 and 6 with an oscilloscope.
Refer to , Inspection Procedure Using an Oscilloscope.
21
OTS2
A/T fluid temperature sensor 2

  • 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
22
SL2G
Clutch control solenoid No.2 earth
Measure between terminals 22 and 6 with an oscilloscope.
Refer to , Inspection Procedure Using an Oscilloscope.
31
PGA+
Input shaft speed sensor

  • Measure between terminals 31 and 38 with an oscilloscope.
  • Engine: 2,000 r/min
  • Selector lever position: Sport mode (4th gear)

Refer to , Inspection Procedure Using an Oscilloscope.
32
PGB+
Output shaft speed sensor

  • Measure between terminals 32 and 40 with an oscilloscope.
  • Engine: 2,000 r/min
  • Selector lever position: Sport mode (4th gear)

Refer to , Inspection Procedure Using an Oscilloscope.
36
UPSW
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
38
PGA-
Input shaft speed sensor earth
Always
1 V or less
40
PGB-
Output shaft speed sensor earth
Always
1 V or less
42.
OTM
Oil temperature monitor modes switch
Ignition switch: ON
System voltage
45
MSW
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
46
INHN
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
47
INHD
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
54
INHP
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
55
INHR
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
56
DWSW
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