Terminals Of Ecu
WARNING: This page is about a different variant/trim than selected.
- TRANSMISSION CONTROL ECU INSPECTION
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
HINT:
Inspect the connectors from the back while the connector is connected.
Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition A23-1 (MWA) - A24-6 (E01) W - W-B Parking lock motor Engine stopped (hybrid system stopped), power switch on (IG) 9 to 14 V A23-2 (MVA) - A24-6 (E01) R - W-B Parking lock motor Engine stopped (hybrid system stopped), power switch on (IG) 9 to 14 V A23-5 (MUA) - A24-6 (E01) B - W-B Parking lock motor Engine stopped (hybrid system stopped), power switch on (IG) 9 to 14 V A23-7 (VC) - A23-19 (E2) G - P Power source (Rotation angle sensor) Engine stopped (hybrid system stopped), power switch on (IG) 4.5 to 5.5 V A23-8 (RB) - A23-19 (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)A23-15 (BATT) - A24-1 (E1) SB - BR Power source (RAM) Always 9 to 14 V A23-16 (+B) - A24-1 (E1) L - BR Power source Engine stopped (hybrid system stopped), power switch on (IG) 9 to 14 V A23-17 (RA) - A23-19 (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)A23-19 (E2) - Body ground P - Body ground Rotation angle sensor ground Always Below 1 Ω A23-20 (IND) - A24-1 (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 A23-23 (BMA) - A24-1 (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 A24-1 (E1) - Body ground BR - Body ground Ground Always Below 1 Ω A24-5 (E02) - Body ground W-B - Body ground Ground Always Below 1 Ω A24-6 (E01) - Body ground W-B - Body ground Ground Always Below 1 Ω A24-15 (CA1L) - A24-1 (E1) P - BR CAN communication Power switch on (IG) Pulse generation
(see waveform 2)A24-16 (CA1H) - A24-1 (E1) BE - BR CAN communication Power switch on (IG) Pulse generation
(see waveform 2)A24-22 (PCON) - A24-1 (E1) LG - BR Communication bus Engine stopped (hybrid system stopped), power switch on (IG) Pulse generation
(see waveform 3)A24-23 (PPOS) - A24-1 (E1) W - BR Communication bus Engine stopped (hybrid system stopped), power switch on (IG) Pulse generation
(see waveform 3)A24-24 (LIN) L LIN communication - - - Oscilloscope waveforms
HINT:
Oscilloscope waveform samples are provided here for informational purposes. Noise and fluttering waveforms have been omitted.
- Waveform 1 (Rotation angle sensor signal)
Item Contents Terminal A23-17 (RA) - A23-19 (E2)
A23-8 (RB) - A23-19 (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:
- 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.
- The waveform shown is for reference only.
- Waveform 2 (CAN communication signal)
Item Contents Terminal CH1: A24-16 (CA1H) - A24-1 (E1)
CH2: A24-15 (CA1L) - A24-1 (E1)Equipment setting 1 V/DIV., 50 μs/DIV. Condition Power switch on (IG) - Waveform 3 (Transmission control communication signal)
Item Contents Terminal CH1: A24-22 (PCON) - A24-1 (E1)
CH2: A24-23 (PPOS) - A24-1 (E1)Equipment setting 10 V/DIV., 10 ms/DIV. Condition Engine stopped (hybrid system stopped), power switch on (IG)
- Waveform 1 (Rotation angle sensor signal)