ELECTRONIC SHIFT LEVER SYSTEM > TERMINALS OF ECU

for Preparation Click here



TRANSMISSION CONTROL ECU INSPECTION

C208988E07

HINT:
Inspect the connectors from the back while the connector is connected.


Terminal No. (Symbol)
Wiring Color
Terminal Description
Condition
Specified Condition
A21-1 (MWA) - A22-6 (E01)
W - W-B
Parking lock motor
Engine stopped (hybrid system stopped), power switch on (IG)
9 to 14 V
A21-2 (MVA) - A22-6 (E01)
R - W-B
Parking lock motor
Engine stopped (hybrid system stopped), power switch on (IG)
9 to 14 V
A21-5 (MUA) - A22-6 (E01)
B - W-B
Parking lock motor
Engine stopped (hybrid system stopped), power switch on (IG)
9 to 14 V
A21-7 (VC) - A21-19 (E2)
G - P
Power source (Rotation angle sensor)
Engine stopped (hybrid system stopped), power switch on (IG)
4.5 to 5.5 V
A21-8 (RB) - A21-19 (E2)
GR - P
Rotation angle sensor signal
Power switch off → Power switch on (IG)
0 to 1.5 V ←→ 4 to 5.5 V
Power switch on (IG)
Changing from park (P) to neutral (N), or neutral (N) to park (P).
Pulse generation
(see waveform 1)
A21-15 (BATT) - A22-1 (E1)
SB - BR
Power source (RAM)
Always
9 to 14 V
A21-16 (+B) - A22-1 (E1)
GR - BR
Power source
Engine stopped (hybrid system stopped), power switch on (IG)
9 to 14 V
A21-17 (RA) - A21-19 (E2)
LG - P
Rotation angle sensor signal
Power switch off → Power switch on (IG)
0 to 1.5 V ←→ 4 to 5.5 V
Power switch on (IG)
Changing from park (P) to neutral (N), or neutral (N) to park (P).
Pulse generation
(see waveform 1)
A21-19 (E2) - Body ground
P - Body ground
Rotation angle sensor ground
Always
Below 1 Ω
A21-20 (IND) - A22-1 (E1)
R - BR
P position switch indicator light
Park (P) not selected → Park (P) selected [P position switch (transmission shift main switch) pushed to select park (P)]
9 to 14 V → 0 to 1.5 V
A21-23 (BMA) - A22-1 (E1)
B - BR
P CON MTR relay (transaxle parking lock control relay)
Engine stopped (hybrid system stopped), power switch on (IG)
9 to 14 V
A22-1 (E1) - Body ground
BR - Body ground
Ground
Always
Below 1 Ω
A22-5 (E02) - Body ground
W-B - Body ground
Ground
Always
Below 1 Ω
A22-6 (E01) - Body ground
W-B - Body ground
Ground
Always
Below 1 Ω
A22-15 (CA1L) - A22-1 (E1)
BR - BR
CAN communication
Power switch on (IG)
Pulse generation
(see waveform 2)
A22-16 (CA1H) - A22-1 (E1)
Y - BR
CAN communication
Power switch on (IG)
Pulse generation
(see waveform 2)
A22-22 (PCON) - A22-1 (E1)
LG - BR
Communication bus
Engine stopped (hybrid system stopped), power switch on (IG)
Pulse generation
(see waveform 3)
A22-23 (PPOS) - A22-1 (E1)
V - BR
Communication bus
Engine stopped (hybrid system stopped), power switch on (IG)
Pulse generation
(see waveform 3)
A22-24 (LIN)
B
LIN communication
-
-

Oscilloscope waveforms

HINT:
Oscilloscope waveform samples are provided here for informational purposes. Noise and fluttering waveforms have been omitted.



    C231275E01

  1. Waveform 1 (Rotation angle sensor signal)
    Item
    		Contents
    Terminal
    		A21-17 (RA) - A21-19 (E2)
    A21-8 (RB) - A21-19 (E2)
    Equipment setting
    		2 V/DIV., 100 msec./DIV.
    Condition
    		Power switch on (IG)
    Changing from park (P) to neutral (N), or neutral (N) to park (P).

    HINT:
    1. When changing from park (P) to neutral (N), or neutral (N) to park (P) with the power switch on (IG), a waveform will be generated for up to 0.5 seconds.
    2. The waveform shown is for reference only.



    2. A111598E03

  2. Waveform 2 (CAN communication signal)
    Item
    		Contents
    Terminal
    		CH1: A22-16 (CA1H) - A22-1 (E1)
    CH2: A22-15 (CA1L) - A22-1 (E1)
    Equipment setting
    		1 V/DIV., 50 μs/DIV.
    Condition
    		Power switch on (IG)



    3. C236203E01

  3. Waveform 3 (Transmission control communication signal)
    Item
    		Contents
    Terminal
    		CH1: A22-22 (PCON) - A22-1 (E1)
    CH2: A22-23 (PPOS) - A22-1 (E1)
    Equipment setting
    		10 V/DIV., 10 ms/DIV.
    Condition
    		Power switch on (IG)