Automatic Transmission System Terminals Of Ecm

Drivetrain. Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25
A343F Automatic Transmission Transaxle. Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25

  1. CHECK ECM

Automatic Transmission System -- Terminals Of Ecm



CHECK ECM

Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A343F Automatic Transmission Transaxle.Automatic Transmission System.Automatic Transmission System 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
G146-24 (NSW) - C98-5 (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
C97-17 (R) - C98-5 (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
G146-23 (3) - C98-5 (E1)
G-O - 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
C97-15 (2) - C98-5 (E1)
L - BR
2 shift position switch signal
  1. Ignition switch ON
  2. Shift lever in 2
11 to 14 V
  1. Ignition switch ON
  2. Shift lever not in 2
Below 1 V
C97-25 (L) - C98-5 (E1)
G-R - 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
C96-21 (S1) - C98-5 (E1)
B-W - BR
S1 solenoid signal
1st or 2nd gear
11 to 14 V
3rd or 4th gear
Below 1 V
C96-22 (S2) - C98-5 (E1)
B-R - BR
S2 solenoid signal
2nd or 3rd gear
11 to 14 V
1st or 4th gear
Below 1 V
C96-23 (SLT+) - C96-24 (SLT-)
B-L - B-Y
SLT solenoid signal
Engine idling
Pulse generation
C96-19 (SL) - C98-5 (E1)
L-Y - BR
SL solenoid signal
Vehicle speed 65 km/h (40 mph), lock-up (ON to OFF)
Pulse generation
(See waveform 1)
Vehicle driving under look-up condition
11 to 14 V
C95-2 (THOC) - C96-16 (E2)
W-L - BR
ATF temperature sensor signal
ATF temperature: 115°C (239°F) or higher
Below 1.5 V
C97-2 (SP2+) - C97-9 (SP2-)
G - R
Speed sensor SP2 signal
Vehicle speed 20 km/h (12 mph)
Pulse generation
(See waveform 2)
C97-5 (NC0+) - C97-10 (NC0-)
V - P
Speed sensor NC0 signal
Engine idling
(shift lever in P or N)
Pulse generation
(See waveform 3)
G145-14 (L4) - C98-5 (E1)
G-W - BR
L4 position signal
  1. Ignition switch ON
  2. Transfer in L4
Below 1 V
  1. Ignition switch ON
  2. Transfer not in L4
11 to 14 V
G146-16 (SPD) - C98-5 (E1)
V-R - BR
Speed signal
Vehicle speed 20 km/h (12 mph)
Pulse generation
(See waveform 4)
G146-18 (STP) - C98-5 (E1)
G-W - BR
STP light switch signal
  1. Ignition switch ON
  2. Brake pedal is depressed
11 to 14 V
  1. Ignition switch ON
  2. Brake pedal is released
Below 1 V
G146-8 (STA) - C98-5 (E1)
B-Y - BR
Starter signal
Cranking
6 V or more
G146-23 (TFN) - C98-5 (E1)
W-G - BR
N shift position switch signal
  1. Ignition switch ON
  2. Transfer in N
Below 1 V
  1. Ignition switch ON
  2. Transfer not in N
11 to 14 V
G146-34 (CANH) - C98-5 (E1)
B - BR
CAN communication line
Ignition switch ON
Pulse generation
(See waveform 5)
G146-33 (CANL) - C98-5 (E1)
W - BR
CAN communication line
Ignition switch ON
Pulse generation
(See waveform 6)


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A343F Automatic Transmission Transaxle.Automatic Transmission System.Automatic Transmission System Terminals Of Ecm

  1. Using an oscilloscope, check waveform 1.

    Reference
    Terminal No. (Symbol)
    		Tool Setting
    		Condition
    C96-19 (SL) - C98-5 (E1)
    		10 V/DIV., 100 msec./DIV.
    		Vehicle speed 65 km/h (40 mph), lock-up (ON to OFF)


    2. Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A343F Automatic Transmission Transaxle.Automatic Transmission System.Automatic Transmission System Terminals Of Ecm

  2. Using an oscilloscope, check waveform 2.

    Reference
    Terminal No. (Symbol)
    		Tool Setting
    		Condition
    C97-2 (SP2+) - C97-9 (SP2-)
    		2 V/DIV., 20 msec./DIV.
    		Vehicle speed 20 km/h (12 mph)


    3. Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A343F Automatic Transmission Transaxle.Automatic Transmission System.Automatic Transmission System Terminals Of Ecm

  3. Using an oscilloscope, check waveform 3.

    Reference
    Terminal No. (Symbol)
    		Tool Setting
    		Condition
    C97-5 (NC0+) - C97-10 (NC0-)
    		5 V/DIV., 0.5 msec./DIV.
    		Engine idling (shift lever in P or N)


    4. Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A343F Automatic Transmission Transaxle.Automatic Transmission System.Automatic Transmission System Terminals Of Ecm

  4. Using an oscilloscope, check waveform 4.

    Reference
    Terminal No. (Symbol)
    		Tool Setting
    		Condition
    G146-16 (SPD) - C98-5 (E1)
    		5 V/DIV., 20 msec./DIV.
    		Vehicle speed 20 km/h (12 mph)


    5. Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A343F Automatic Transmission Transaxle.Automatic Transmission System.Automatic Transmission System Terminals Of Ecm

  5. Using an oscilloscope, check waveform 5.

    Reference
    Terminal No. (Symbol)
    		Tool Setting
    		Condition
    G146-34 (CANH) - C98-5 (E1)
    		1 V/DIV., 10 μsec./DIV.
    		Ignition switch ON


    6. Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.A343F Automatic Transmission Transaxle.Automatic Transmission System.Automatic Transmission System Terminals Of Ecm

  6. Using an oscilloscope, check waveform 6.

    Reference
    Terminal No. (Symbol)
    		Tool Setting
    		Condition
    G146-33 (CANL) - C98-5 (E1)
    		1 V/DIV., 10 μsec./DIV.
    		Ignition switch ON