Toyota Yaris: Steering Column / Steering Heater Switch
Components
COMPONENTS
ILLUSTRATION
| *1 | STEERING HEATER SWITCH | - | - |
Removal
REMOVAL
PROCEDURE
1. REMOVE LOWER INSTRUMENT PANEL FINISH PANEL ASSEMBLY
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2. REMOVE STEERING HEATER SWITCH
| (a) Using a screwdriver with its tip wrapped with protective tape, disengage the claws to remove the steering heater switch. |
|
Inspection
INSPECTION
PROCEDURE
1. INSPECT STEERING HEATER SWITCH
(a) Check the resistance.
| (1) Measure the resistance according to the value(s) in the table below. Standard Resistance:
If the result is not as specified, replace the steering heater switch. |
|
(b) Check the indicator.
| (1) Apply auxiliary battery voltage to the steering heater switch and check that the indicator illuminates. OK:
If the result is not as specified, replace the steering heater switch. |
|
(c) Check the illumination.
| (1) Apply auxiliary battery voltage to the steering heater switch and check that the illumination. OK:
If the result is not as specified, replace the steering heater switch. |
|
Installation
INSTALLATION
PROCEDURE
1. INSTALL STEERING HEATER SWITCH
| (a) Engage the claws to install the steering heater switch. |
|
2. INSTALL LOWER INSTRUMENT PANEL FINISH PANEL ASSEMBLY
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Reassembly
REASSEMBLY CAUTION / NOTICE / HINT NOTICE:
Do not drop the power steering ECU assembly, strike it with tools or subject it to impacts.
If the power steering ECU assembly is subjected to an impact, replace it with a new one...
Other information:
Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: Internal Control Module Random Access Memory (RAM) Error Data Memory Failure (P060444)
MONITOR DESCRIPTION The ECM continuously monitors its internal memory status. This self-check ensures that the ECM is functioning properly. The ECM memory status is diagnosed by internal mirroring of the main CPU and sub CPU to detect Random Access Memory (RAM) errors...
Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: Terminals Of Ecu
TERMINALS OF ECU COMBINATION METER ASSEMBLY (a) Measure the voltage and resistance and check for pulses according to the value(s) in the table below. Terminal No. (Symbol) Terminal Description Condition Specified Condition H6-1 (B) - Body ground Auxiliary battery Ignition switch off 11 to 14 V H6-9 (CANH) CAN communication line - - H6-10 (MSCL) Local bus communication line - - H6-11 (TX1-) - Body ground Outside temperature sensor signal - - H6-13 (FR2) - H6-24 (FE&B) Fuel level signal Ignition switch ON, fuel level full → low (fuel level warning light on) Pulse generation (See waveform 3) H6-14 (FV) - Body ground Fuel sender gauge (Power source) Ignition switch ON Pulse generation (See waveform 1) H6-15 (MSTI) - Body ground Steering pad switch signal Ignition switch ON, up, down, right and left switches on steering pad switch not pushed 4...
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Keys
To use the auxiliary key, press the knob and pull out the auxiliary key from the smart key.
