Automatic Transmission System (For 1Gr-Fe) Terminals Of Ecm

Drivetrain. Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25
A750F Automatic Transmission Transaxle. Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25

  1. CHECK ECM

Automatic Transmission System (For 1Gr-Fe) -- Terminals Of Ecm



CHECK ECM

Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission System (For 1Gr-Fe) Terminals Of Ecm

HINT:
The standard voltage at each ECM terminal is shown in the table below.
In the table, first follow the information under "Condition". Look under "Terminal No. (Symbol)" for the terminals to inspect. The standard voltage between the terminals is shown under "Specified Condition".
Use the illustration above as a reference for the ECM terminals.

Terminal No. (Symbol)
Wiring Color
Terminal Description
Condition
Specified Condition
C131-13 (L4) - C131-1 (E1)
G-W - BR
Transfer L4 position signal
  1. Ignition switch ON
  2. Transfer shift lever in L4
Below 1 V
  1. Ignition switch ON
  2. Transfer shift lever not in L4
11 to 14 V
C130-25 (TFN) - C131-1 (E1)
W-G - BR
Transfer Neutral position signal
  1. Ignition switch ON
  2. Transfer shift lever in N
Below 1 V
  1. Ignition switch ON
  2. Transfer shift lever not in N
11 to 14 V
C130-8 (NSW) - C131-1 (E1)
L-Y - BR
PNP switch signal
  1. Ignition switch ON
  2. Shift lever in P or N
Below 1 V
  1. Ignition switch ON
  2. Shift lever not in P or N
11 to 14 V
G154-11 (R) - C131-1 (E1)
R-Y - BR
R shift position switch signal
  1. Ignition switch ON
  2. Shift lever in R
11 to 14 V
  1. Ignition switch ON
  2. Shift lever not in R
Below 1 V
G154-21 (D) - C131-1 (E1)
G-Y - BR
D shift position switch signal
  1. Ignition switch ON
  2. Shift lever in D or 4
11 to 14 V
  1. Ignition switch ON
  2. Shift lever not in D or 4
Below 1 V
G154-20 (4) - C131-1 (E1)
G-O - BR
4 shift position switch signal
  1. Ignition switch ON
  2. Shift lever in 4
11 to 14 V
  1. Ignition switch ON
  2. Shift lever not in 4
Below 1 V
G154-19 (3) - C131-1 (E1)
L - BR
3 shift position switch signal
  1. Ignition switch ON
  2. Shift lever in 3
11 to 14 V
  1. Ignition switch ON
  2. Shift lever not in 3
Below 1 V
G154-10 (2) - C131-1 (E1)
G-R - BR
2 shift position switch signal
  1. Ignition switch ON
  2. Shift lever in 2 or L
11 to 14 V
  1. Ignition switch ON
  2. Shift lever not in 2 or L
Below 1 V
G154-9 (L) - C131-1 (E1)
GR-L - BR
L shift position switch signal
  1. Ignition switch ON
  2. Shift lever in L
11 to 14 V
  1. Ignition switch ON
  2. Shift lever not in L
Below 1 V
C130-11 (S1) - C131-1 (E1)
GR - BR
S1 solenoid signal
1st or 2nd gear
11 to 14 V
3rd, 4th or 5th gear
Below 1 V
C130-10 (S2) - C131-1 (E1)
W-L - BR
S2 solenoid signal
2nd or 3rd gear
11 to 14 V
1st, 4th or 5th gear
Below 1 V
C130-9 (SR) - C131-1 (E1)
G - BR
SR solenoid signal
5th gear
11 to 14 V
1st gear
Below 1 V
C130-19 (SL1+) - C130-18 (SL1-)
G-W - P-L
SL1 solenoid signal
Engine idling
Pulse generation
C130-17 (SL2+) - C130-16 (SL2-)
G-B - G-R
SL2 solenoid signal
Engine idling
Pulse generation
C130-13 (SLT+) - C130-12 (SLT-)
G-Y - L-B
SLT solenoid signal
Engine idling
Pulse generation
C130-15 (SLU+) - C130-14 (SLU-)
L - W
SLU solenoid signal
5th gear (lock-up)
Pulse generation
C130-24 (THO1) - C129-28 (E2)
W-R - BR
No. 1 ATF temperature sensor signal
No. 1 ATF temperature 115°C (239°F) or higher
Below 1.5 V
C130-32 (THO2) - C129-28 (E2)
B-Y - BR
No. 2 ATF temperature sensor signal
No. 2 ATF temperature 115°C (239°F) or higher
Below 1.5 V
C130-34 (SP2+) - C130-26 (SP2-)
V - P
Speed sensor SP2 signal
Vehicle speed 20 km/h (12 mph)
Pulse generation
(See waveform 1)
C130-35 (NT+) - C130-27 (NT-)
L - Y
Speed sensor NT signal
Engine idling
(shift lever in P or N)
Pulse generation
(See waveform 2)


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission System (For 1Gr-Fe) Terminals Of Ecm

  1. Using an oscilloscope, check waveform 1.

    Reference
    Terminal No. (Symbol)
    		Tool Setting
    		Condition
    C130-34 (SP2+) - C130-26 (SP2-)
    		2 V/DIV., 20 msec./DIV.
    		Vehicle speed 20 km/h (12 mph)


    2. Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A750F Automatic Transmission Transaxle.Automatic Transmission System (For 1Gr-Fe).Automatic Transmission System (For 1Gr-Fe) Terminals Of Ecm

  2. Using an oscilloscope, check waveform 2.

    Reference
    Terminal No. (Symbol)
    		Tool Setting
    		Condition
    C130-35 (NT+) - C130-27 (NT-)
    		1 V/DIV., 2 msec./DIV.
    		Engine idling (shift lever in P or N)