Toyota Yaris: Can Communication System / Central Gateway ECU System Internal Failure (B102004)
DESCRIPTION
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | DTC Output from |
|---|---|---|---|---|
| B102004 | Central Gateway ECU System Internal Failure | A malfunction in the non-volatile storage of the central gateway ECU (network gateway ECU) is detected. | Central gateway ECU (network gateway ECU) | Central Gateway |
PROCEDURE
| 1. | RECONFIRM DTC OUTPUT |
| Result | Proceed to |
|---|---|
| B102004 is output | A |
| B102004 is not output | B |
| A |
 | REPLACE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU) |
| B |
 | USE SIMULATION METHOD TO CHECK |
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART Diagnostic Trouble Code Chart DTC No. Detection Item Trouble Area Link B102004 Central Gateway ECU System Internal Failure Central gateway ECU (network gateway ECU)
U117087 Lost Communication With Brake System Control Module(ch2) Missing Message
CAN main/branch bus lines or connector
Engine stop and start ECU
Brake actuator assembly
Central gateway ECU (network gateway ECU)
No...
Lost Communication With Brake System Control Module(ch2) Missing Message (U117087)
DESCRIPTION The brake actuator assembly communicates with the ECM and engine stop and start ECU. When the brake actuator assembly does not receive data from the engine stop and start ECU, the engine stop and start ECU stores DTC U117087...
Other information:
Toyota Yaris XP210 (2020-2026) Owner's Manual: Call Interrupt
A call can be interrupted to receive an incoming call from a third party. When is selected or the pick-up button on the steering wheel is pressed, the current call is held and the system switches to the new incoming call. When is selected, the current call is ended and the system switches to the new incoming call (GSM network only)...
Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Diagnosis System
DIAGNOSIS SYSTEM DIAGNOSIS MODE FUNCTION (a) When a malfunction occurs in the lane tracing assist system, the LTA indicator light illuminates in yellow and a message is displayed on the multi-information display. Warning Message Details DTC/RoB LTA Indicator "LTA Malfunction Visit Your Dealer" Lane tracing assist system malfunction is detected Stored Illuminated in yellow "LTA Unavailable" Sensor other than the forward recognition camera sensor is temporary unavailable Stored Illuminated in yellow LTA Indicator Status Chart LTA Indicator Status Status *: When entering the lane departure warning under the lane departure restraint, changes to yellow blinking...
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Supplemental Restraint System (SRS) Precautions
The front and side supplemental restraint systems (SRS) include different types of air bags. Please verify the different types of air bags which are equipped on your vehicle by locating the “SRS AIRBAG” location indicators. These indicators are visible in the area where the air bags are installed.
The air bags are installed in the following locations:
The steering wheel hub (driver air bag) The front passenger dashboard (front passenger air bag) The outboard sides of the front seatbacks (side air bags) The front and rear window pillars, and the roof edge along both sides (curtain air bags)