Toyota Yaris: Power Integration System / Power Integration No.1 System Internal Failure (B235204)
DESCRIPTION
This DTC is output when the semiconductor power integration ECU detects a Internal circuit error.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
| B235204 | Power Integration No.1 System Internal Failure | -
Microcomputer abnormality
-
AD circuit trouble
| Semiconductor power integration ECU |
WIRING DIAGRAM
Click here
CAUTION / NOTICE / HINT
PROCEDURE
(a) Clear the DTCs.
Body Electrical > Power Integration No.1 > Clear DTCs
|
NEXT |
| |
(a) Check for DTCs.
Body Electrical > Power Integration No.1 > Trouble Codes
| Result | Proceed to |
| B235204 is output | A |
| B235204 is not output | B |
| A |
| REPLACE SEMICONDUCTOR POWER INTEGRATION ECU |
| B |
| USE SIMULATION METHOD TO CHECK |
VEHICLE CONTROL HISTORY NOTICE: Make sure to record any output Vehicle Control History codes before clearing them and checking the Vehicle Control History again...
DESCRIPTION This DTC is output when the power distribution box assembly detects a Internal circuit error. DTC No. Detection Item DTC Detection Condition Trouble Area B235504 Power Distribution Box System Internal Failure
Microcomputer abnormality
AD circuit trouble
The load drive output open or short trouble
Power distribution box assembly WIRING DIAGRAM Click here
CAUTION / NOTICE / HINT NOTICE:
When using the GTS with the ignition switch off to troubleshoot:
Connect the GTS to the vehicle, and turn a courtesy switch on and off at 1...
Other information:
DESCRIPTION
This is the troubleshooting procedure for situations where the engine does not restart after having been stopped by the stop and start system.
For information on stop and start control, refer to the system description.
Click here
CAUTION / NOTICE / HINT PRECAUTIONS WHEN THE ENGINE STOP AND START ECU AND THE STARTER ASSEMBLY ARE REPLACED NOTICE:
When the engine stop and start ECU is replaced, it is necessary to read the number of starter operations before replacement and store this number in the new engine stop and start ECU after replacement, and to perform external backup boost converter (eco run vehicle converter assembly) existence learning...
REMOVAL CAUTION / NOTICE / HINT HINT: When the cable is disconnected/reconnected to the battery terminal, systems temporarily stop operating. However, each system has a function that completes learning the first time the system is used.
Learning completes when vehicle is driven Effect/Inoperative Function When Necessary Procedures are not Performed Necessary Procedures Link Lane tracing assist system Drive the vehicle straight ahead at 35 km/h (22 mph) or more for 5 second or more...
Categories
Before refueling, close all the doors, windows, and the liftgate/trunk
lid, and switch the ignition OFF.
To open the fuel-filler lid, pull
the remote fuel-filler lid release.

To remove the fuel-filler cap, turn it counterclockwise.
Attach the removed cap to the
inner side of the fuel-filler lid.
read more