Continuously Variable Transaxle System Terminals Of Ecm

Transmission. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35
K111F Cvt. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35
  1. ECM

Continuously Variable Transaxle System -- Terminals Of Ecm



ECM

Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35.K111F Cvt.Continuously Variable Transaxle System.Continuously Variable Transaxle System  Terminals Of Ecm

HINT:
The standard voltage and resistance of 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 be inspected. The standard voltage or resistance 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
A12-1 (+B2) - B32-105 (E1)
B - BR
Power source of ECM
Ignition switch ON
11 to 14 V
A12-2 (+B) - B32-105 (E1)
B - BR
Power source of ECM
Ignition switch ON
11 to 14 V
A12-3 (+BM) - B32-105 (E1)
LG - BR
Power source of throttle actuator
Always
11 to 14 V
A12-8 (CANH) - B32-105 (E1)
Y - BR
CAN communication line
Ignition switch ON
Pulse generation
(See waveform 1)
A12-9 (CANL) - B32-105 (E1)
W - BR
CAN communication line
Ignition switch ON
Pulse generation
(See waveform 2)
A12-16 (SFTU) - B32-105 (E1)
LG - BR
Up-shift position switch signal
Ignition switch ON and shift lever in M
11 to 14 V
  1. Ignition switch ON and shift lever in "+" (up-shift)
  2. Ignition switch ON and "+" shift paddle operated (up-shift)
Below 1 V
A12-17 (PWMS) - B32-105 (E1)
GR - BR
Pattern select switch (SPORT) signal
Ignition switch ON and pattern select switch (SPORT) off
11 to 14 V
Ignition switch ON and pattern select switch (SPORT) on
Below 1.5 V
A12-20 (BATT) - B32-105 (E1)
W - BR
Battery (for measuring battery voltage and for ECM memory)
Always
11 to 14 V
A12-25 (NSW) - B32-105 (E1)
W - BR
Park/neutral position switch signal
Ignition switch ON and shift lever in P or N
Below 1 V
Ignition switch ON and shift lever not in P or N
11 to 14 V
A12-36 (STP) - B32-105 (E1)
L - BR
Stop light switch signal
Brake pedal depressed
11 to 14 V
Brake pedal released
Below 1.5 V
A12-44 (MREL) - B32-105 (E1)
P - BR
EFI MAIN relay
Ignition switch ON
11 to 14 V
A12-47 (D) - B32-105 (E1)
B - BR
D position switch signal
Ignition switch ON and shift lever in D
11 to 14 V
Ignition switch ON and shift lever not in D
Below 1 V
A12-48 (STA) - B32-105 (E1)
LG - BR
Starter signal
Cranking
5.5 V or higher
A12-51 (SFTD) - B32-105 (E1)
Y - BR
Down-shift position switch signal
Ignition switch ON and shift lever in M
11 to 14 V
  1. Ignition switch ON and shift lever in "-" (down-shift)
  2. Ignition switch ON and "-" shift paddle operated (down-shift)
Below 1 V
B32-39 (S) - B32-105 (E1)
L - BR
M position switch signal
Ignition switch ON and shift lever in M
11 to 14 V
Ignition switch ON and shift lever not in M
Below 1 V
B32-51 (STAR) - B32-105 (E1)
W - BR
Park/neutral position switch signal
Ignition switch ON and shift lever in P or N
Below 1 V
Ignition switch ON and shift lever not in P or N
11 to 14 V
B32-54 (SLS+) - B32-53 (SLS-)
Y - V
Shift solenoid valve SLS signal
Engine idling
Pulse generation
(See waveform 3)
B32-55 (DS2) - B32-105 (E1)
G - BR
Shift solenoid valve DS2 signal
Accelerator pedal depressed further after driving at constant vehicle speed with shift lever in D
Pulse generation
(See waveform 4)
B32-56 (DS1) - B32-105 (E1)
W - BR
Shift solenoid valve DS1 signal
Accelerator pedal released while driving with shift lever in D
Pulse generation
(See waveform 5)
B32-58 (SL) - B32-105 (E1)
L - BR
Shift solenoid valve SL signal
Ignition switch ON and shift lever in N
11 to 14 V
B32-59 (DSU) - B32-105 (E1)
GR - BR
Shift solenoid valve DSU signal
Lock-up turned from off to on
Pulse generation
(See waveform 6)
B32-70 (THO1) - B32-71 (ETHO)
LG - BR
CVT fluid temperature sensor signal
CVT fluid temperature: 60 to 120°C (140 to 248°F)
0.2 to 1.0 V
B32-73 (PTO) - B32-72 (EPTO)
B - W
Oil pressure sensor signal
Engine idling speed and shift lever in P
0.8 to 1.2 V
B32-76 (R) - B32-105 (E1)
R - BR
R position switch signal
Ignition switch ON and shift lever in R
11 to 14 V
Ignition switch ON and shift lever not in R
Below 1 V
B32-77 (P) - B32-105 (E1)
L - BR
P position switch signal
Ignition switch ON and shift lever in P
11 to 14 V
Ignition switch ON and shift lever not in P
Below 1 V
B32-95 (VCPT) - B32-72 (EPTO)
R - W
Power supply for oil pressure sensor signal
Ignition switch ON
4.5 to 5.5 V
B32-99 (N) - B32-105 (E1)
Y - BR
N position switch signal
Ignition switch ON and shift lever in N
11 to 14 V
Ignition switch ON and shift lever not in N
Below 1 V
B32-105 (E1) - Body ground
BR - Body ground
Ground
Always
Below 1 Ω
B32-122 (NIN+) - B32-100 (NIN-)
W - B
Transmission revolution sensor (NIN) signal
Vehicle is driven with shift lever in D, vehicle speed approx. 6 km/h (3.7 mph) and engine speed approx. 760 rpm
Pulse generation
(See waveform 7)
B32-124 (NTO) - B32-123 (NTB)
L - W
Transmission revolution sensor (NT) signal
Vehicle is driven with shift lever in D, vehicle speed approx. 12 km/h (7.5 mph) and engine speed approx. 1000 rpm
Pulse generation
(See waveform 8)
B32-125 (NOTO) - B32-101 (NOTB)
W - R
Transmission revolution sensor (NOUT) signal
Vehicle is driven with shift lever in D, vehicle speed approx. 12 km/h (7.5 mph) and engine speed approx. 1000 rpm
Pulse generation
(See waveform 9)


    Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35.K111F Cvt.Continuously Variable Transaxle System.Continuously Variable Transaxle System  Terminals Of Ecm
  1. Using an oscilloscope, check waveform 1.

    Waveform 1 (reference)
    Terminal No. (Symbol)
    Tool Setting
    Condition
    A12-8 (CANH) - B32-105 (E1)
    1 V/DIV., 10 μsec./DIV.
    Ignition switch ON


  2. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35.K111F Cvt.Continuously Variable Transaxle System.Continuously Variable Transaxle System  Terminals Of Ecm
  3. Using an oscilloscope, check waveform 2.

    Waveform 2 (reference)
    Terminal No. (Symbol)
    Tool Setting
    Condition
    A12-9 (CANL) - B32-105 (E1)
    1 V/DIV., 10 μsec./DIV.
    Ignition switch ON


  4. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35.K111F Cvt.Continuously Variable Transaxle System.Continuously Variable Transaxle System  Terminals Of Ecm
  5. Using an oscilloscope, check waveform 3.

    Waveform 3 (reference)
    Terminal No. (Symbol)
    Tool Setting
    Condition
    B32-54 (SLS+) - B32-53 (SLS-)
    5 V/DIV., 1 msec./DIV.
    Engine idling


  6. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35.K111F Cvt.Continuously Variable Transaxle System.Continuously Variable Transaxle System  Terminals Of Ecm
  7. Using an oscilloscope, check waveform 4.

    Waveform 4 (reference)
    Terminal No. (Symbol)
    Tool Setting
    Condition
    B32-55 (DS2) - B32-105 (E1)
    10 V/DIV., 5 msec./DIV.
    Accelerator pedal depressed further after driving at constant vehicle speed with shift lever in D
    HINT:
    Duty ratio increases as the gear ratio increases.


  8. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35.K111F Cvt.Continuously Variable Transaxle System.Continuously Variable Transaxle System  Terminals Of Ecm
  9. Using an oscilloscope, check waveform 5.

    Waveform 5 (reference)
    Terminal No. (Symbol)
    Tool Setting
    Condition
    B32-56 (DS1) - B32-105 (E1)
    10 V/DIV., 5 msec./DIV.
    Accelerator pedal released while driving with shift lever in D
    HINT:
    Duty ratio increases as the gear ratio decreases.


  10. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35.K111F Cvt.Continuously Variable Transaxle System.Continuously Variable Transaxle System  Terminals Of Ecm
  11. Using an oscilloscope, check waveform 6.

    Waveform 6 (reference)
    Terminal No. (Symbol)
    Tool Setting
    Condition
    B32-59 (DSU) - B32-105 (E1)
    10 V/DIV., 20 msec./DIV.
    Lock-up turned from off to on
    HINT:
    Duty ratio increases to 100% with lock-up on.


  12. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35.K111F Cvt.Continuously Variable Transaxle System.Continuously Variable Transaxle System  Terminals Of Ecm
  13. Using an oscilloscope, check waveform 7.

    Waveform 7 (reference)
    Terminal No. (Symbol)
    Tool Setting
    Condition
    B32-122 (NIN+) - B32-100 (NIN-)
    1 V/DIV., 2 msec./DIV.
    Vehicle is driven with shift lever in D, vehicle speed approx. 6 km/h (3.7 mph) and engine speed approx. 760 rpm
    HINT:
    The wavelength shortens and the voltage increases as the primary pulley speed increases.


  14. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35.K111F Cvt.Continuously Variable Transaxle System.Continuously Variable Transaxle System  Terminals Of Ecm
  15. Using an oscilloscope, check waveform 8.

    Waveform 8 (reference)
    Terminal No. (Symbol)
    Tool Setting
    Condition
    B32-124 (NTO) - B32-123 (NTB)
    1 V/DIV., 2 msec./DIV.
    Vehicle is driven with shift lever in D, vehicle speed approx. 12 km/h (7.5 mph) and engine speed approx. 1000 rpm
    HINT:
    The wavelength shortens as the turbine speed increases.


  16. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35.K111F Cvt.Continuously Variable Transaxle System.Continuously Variable Transaxle System  Terminals Of Ecm
  17. Using an oscilloscope, check waveform 9.

    Waveform 9 (reference)
    Terminal No. (Symbol)
    Tool Setting
    Condition
    B32-125 (NOTO) - B32-101 (NOTB)
    1 V/DIV., 2 msec./DIV.
    Vehicle is driven with shift lever in D, vehicle speed approx. 12 km/h (7.5 mph) and engine speed approx. 1000 rpm
    HINT:
    The wavelength shortens as the secondary pulley speed increases.