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: Supply Voltage Circuit Circuit Voltage Out of Range (C123A1C)
DESCRIPTION When a malfunction has occurred in the power source circuit, the AWD ECU assembly stores DTC C123A1C. DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Memory C123A1C Supply Voltage Circuit Circuit Voltage Out of Range At a vehicle speed of 3 km/h (2 mph) or more, the IG1 terminal voltage is less than 9...
Toyota Yaris XP210 (2020-2024) Reapir and Service Manual: Back-up Light Switch
ComponentsCOMPONENTS ILLUSTRATION *1 BACK-UP LIGHT SWITCH ASSEMBLY *2 GASKET *3 NO. 1 ENGINE UNDER COVER ASSEMBLY *4 ENGINE UNDER COVER LH N*m (kgf*cm, ft.*lbf): Specified torque ● Non-reusable part RemovalREMOVAL 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.
