Toyota Yaris: Power Mirror Control System / Terminals Of Ecu
TERMINALS OF ECU
CHECK MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) AND POWER DISTRIBUTION BOX ASSEMBLY
| *1 | Power Distribution Box Assembly | *2 | Main Body ECU (Multiplex Network Body ECU) |
(a) Remove the main body ECU (multiplex network body ECU) from the power distribution box assembly.
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(b) Reconnect the power distribution box assembly connectors.
(c) Measure the resistance and voltage according to the value(s) in the table below.
| Terminal No. (Symbol) | Terminal Description | Condition | Specified Condition |
|---|---|---|---|
| MB-26 (BECU) - Body ground | Auxiliary battery power supply | Ignition switch off | 11 to 14 V |
| MB-27 (IGR) - Body ground | Ignition power supply (IG signal) | Ignition switch off | Below 1 V |
| Ignition switch ON | 11 to 14 V | ||
| MB-13 (GND1) - Body ground | Body Ground | Always | Below 1 Ω |
(d) Install the main body ECU (multiplex network body ECU) to power distribution box assembly.
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(e) Measure the voltage according to the value(s) in the table below.
| Terminal No. (Symbol) | Terminal Description | Condition | Specified Condition |
|---|---|---|---|
| H5-26 (AMR) - Body ground | Power retract mirror motor drive voltage (Input) | Auto retractable outer mirror switch on outer mirror switch assembly auto retracted position. | Below 1 V |
| Auto retractable outer mirror switch on outer mirror switch assembly return position. | 11 to 14 V | ||
| H5-27 (RET) - Body ground | Power retract mirror motor drive voltage (Input) | Auto retractable outer mirror switch on outer mirror switch assembly retracted position. | Below 1 V |
| Auto retractable outer mirror switch on outer mirror switch assembly driving position. | 11 to 14 V | ||
| 4B-2 - Body ground | Mirror heater drive voltage (Output) | Ignition switch ON, rear defogger switch off. | Below 1 V |
| Ignition switch ON, rear defogger switch on. | 11 to 14 V | ||
| 4C-10 - Body ground | Power retract mirror motor drive voltage (Output) | Outer rear view mirror assembly moves to the retracted position. | Below 1 V |
| Outer rear view mirror assembly not move. | 11 to 14 V | ||
| 4C-21 - Body ground | Power retract mirror motor drive voltage (Output) | Outer rear view mirror assembly moves to the return position. | Below 1 V |
| Outer rear view mirror assembly not move. | 11 to 14 V |
CHECK AIR CONDITIONING AMPLIFIER ASSEMBLY
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AIR CONDITIONING CONTROL ASSEMBLY
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Diagnosis System
DIAGNOSIS SYSTEM CHECK DLC3 (a) Check the DLC3. Click here
INSPECT AUXILIARY BATTERY VOLTAGE (a) Measure the auxiliary battery voltage with the ignition switch off...
Data List / Active Test
DATA LIST / ACTIVE TEST DATA LIST NOTICE: In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not...
Other information:
Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: Parts Location
PARTS LOCATION ILLUSTRATION *1 FORWARD RECOGNITION CAMERA (w/ Toyota Safety Sense) *2 MILLIMETER WAVE RADAR SENSOR ASSEMBLY (w/ Toyota Safety Sense) *3 BRAKE ACTUATOR ASSEMBLY *4 ECM ILLUSTRATION *1 4WD ECU ASSEMBLY - - ILLUSTRATION *1 COMBINATION METER ASSEMBLY *2 METER MIRROR SUB-ASSEMBLY (w/ Headup Display) *3 CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU) *4 MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) *5 AIR CONDITIONING AMPLIFIER ASSEMBLY *6 AIRBAG SENSOR ASSEMBLY *7 POWER STEERING ECU ASSEMBLY *8 CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) *9 STEERING SENSOR *10 ENGINE STOP AND START ECU *11 STEREO COMPONENT EQUALIZER ASSEMBLY (w/ Active Noise Control System) *12 POWER DISTRIBUTION BOX ASSEMBLY *13 DLC3 - - ILLUSTRATION *1 NO...
Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: 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...
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Key Suspend Function
If a key is left in the vehicle, the functions of the key left in the vehicle are temporarily suspended to prevent theft of the vehicle.
To restore the functions, press the unlock button on the functions-suspended key in the vehicle.
