Toyota Yaris: Active Noise Control System / Terminals Of Ecu
TERMINALS OF ECU
CHECK STEREO COMPONENT EQUALIZER ASSEMBLY
| Terminal No. (Symbol) | Terminal Description | Condition | Specified Condition |
|---|---|---|---|
| O131-15(+B) - O131-30(GND) | Power source | Always | 11 to 14 V |
| O131-29(IGP) - O131-30(GND) | Power source (IG) | Ignition switch ON | 11 to 14 V |
| O131-14(ACC) - O131-30(GND) | Power source (ACC) | Ignition switch ACC | 11 to 14 V |
| O131-30(GND) - Body ground | Ground | Always | Below 1 Ω |
| O132-1(MC1+) - O131-30(GND) | Active noise control microphone input signal | Active noise control microphone LH tapped with finger | Pulse generation |
| O132-5(MC1-) - O131-30(GND) | Active noise control microphone input signal | Always | Below 1 Ω |
| O132-2(MC2+) - O131-30(GND) | Active noise control microphone input signal | Active noise control microphone RH tapped with finger | Pulse generation |
| O132-6(MC2-) - O131-30(GND) | Active noise control microphone input signal | Always | Below 1 Ω |
| O131-3(NEI) - O131-30(GND) | Engine pulse signal | Idling with warm engine | Pulse generation (See waveform 1) |
| O131-24(FLI-) | Active noise control microphone output signal | - | - |
| O131-9(FLI+) | Active noise control microphone output signal | - | - |
| O131-23(FRI-) | Active noise control microphone output signal | - | - |
| O131-8(FRI+) | Active noise control microphone output signal | - | - |
| O131-5(RRI+) | Active noise control microphone output signal | - | - |
| O131-20(RRI-) | Active noise control microphone output signal | - | - |
| O131-6(RLI+) | Active noise control microphone output signal | - | - |
| O131-21(RLI-) | Active noise control microphone output signal | - | - |
| O131-7(ASG1) | Shield ground | - | - |
| O131-22(ASG2) | Shield ground | - | - |
| O131-12(FR+) - O131-30(GND) | Sound signal | Active noise control system operating | Pulse generation |
| O131-27(FR-) - O131-30(GND) | Sound signal | Active noise control system operating | Pulse generation |
| O131-13(FL+) - O131-30(GND) | Sound signal | Active noise control system operating | Pulse generation |
| O131-28(FL-) - O131-30(GND) | Sound signal | Active noise control system operating | Pulse generation |
| O131-10(RR+) - O131-30(GND) | Sound signal | Active noise control system operating | Pulse generation |
| O131+25(RR-) - O131-30(GND) | Sound signal | Active noise control system operating | Pulse generation |
| O131-11(RL+) - O131-30(GND) | Sound signal | Active noise control system operating | Pulse generation |
| O131-28(RL-) - O131-30(GND) | Sound signal | Active noise control system operating | Pulse generation |
| O131-1(CANH) | CAN communication signal | - | - |
| O131-16(CANL) | CAN communication signal | - | - |
(a) Waveform 1
HINT:
The oscilloscope waveform shown in the illustration is an example for reference only. The waveform fluctuates according to engine speed.
| Item | Condition |
|---|---|
| Measurement terminal | O131-3 (NEI) - O131-28 (GND) |
| Tool setting | 5 V/DIV., 20 ms./DIV. |
| Vehicle condition | Idling with warm engine |
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE NOTICE:
Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table...
Dtc Check / Clear
DTC CHECK / CLEAR CHECK FOR DTC (CHECK USING GTS) (a) Enter the following menus: Body Electrical / Active Noise Control / Trouble Codes. Body Electrical > Active Noise Control > Trouble Codes (b) Check the details of the DTC(s)...
Other information:
Toyota Yaris XP210 (2020-2024) Reapir and Service Manual: System Description
SYSTEM DESCRIPTION POWER WINDOW CONTROL SYSTEM DESCRIPTION (a) The power window control system controls the power window operation using the power window regulator motor assemblies. The main controls of this system are the multiplex network master switch assembly (mounted on the driver door) and power window regulator switch assembly (mounted on the front passenger door) ...
Toyota Yaris XP210 (2020-2024) Reapir and Service Manual: Throttle Body
ComponentsCOMPONENTS ILLUSTRATION *1 AIR TUBE ASSEMBLY *2 THROTTLE BODY WITH MOTOR ASSEMBLY *3 THROTTLE BODY GASKET *4 NO. 2 THROTTLE BODY GASKET N*m (kgf*cm, ft.*lbf): Specified torque ● Non-reusable part On-vehicle InspectionON-VEHICLE INSPECTION PROCEDURE 1...
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Front Seat Belt Pretensioners
The front seat belt pretensioners are designed to deploy in moderate or severe frontal, near frontal collisions.
In addition, the pretensioners operate when a side collision or a rollover accident is detected. The pretensioners operate differently depending on what types of air bags are equipped. For more details about the seat belt pretensioner operation, refer to the SRS Air Bag Deployment Criteria.
