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
Body Electrical > Central Gateway > Trouble Codes
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 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...
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:
DESCRIPTION The steering sensor receives the turn signal switch information and controls the turn signal lights. WIRING DIAGRAM
PROCEDURE 1. READ VALUE USING GTS (a) Read the Data List according to the display on the GTS. Chassis > Steering Angle Sensor > Data List Tester Display Measurement Item Range Normal Condition Diagnostic Note Turn Signal Switch (Right) Turn signal switch (right) signal OFF or ON OFF: Turn signal switch not in right turn position ON: Turn signal switch in right turn position - Turn Signal Switch (Left) Turn signal switch (left) signal OFF or ON OFF: Turn signal switch not in left turn position ON: Turn signal switch in left turn position - Cornering Light/Front Side Illuminate Light Switch Turn signal switch (full turn) signal OFF or ON OFF: Turn signal switch not in left or right turn position ON: Turn signal switch in left or right full turn position - OK: Normal conditions listed above are displayed...
ComponentsCOMPONENTS ILLUSTRATION
*1 CONSOLE BOX ASSEMBLY *2 4WD CONTROL SWITCH (NO. 2 COMBINATION SWITCH ASSEMBLY) RemovalREMOVAL PROCEDURE 1. REMOVE CONSOLE BOX ASSEMBLY Click here
2. REMOVE 4WD CONTROL SWITCH (NO. 2 COMBINATION SWITCH ASSEMBLY) (a) Remove the 3 screws and 4WD control switch (No...
Categories
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)
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