DESCRIPTION
This DTC is stored when there is a malfunction in the certification ECU (smart key ECU assembly) battery power supply circuit or ground circuit.
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
Note |
---|---|---|---|---|
B228B |
System Voltage or GND Energization Malfunction |
Either of the following malfunctions is detected (a vehicle speed sensor malfunction is detected) (1-trip detection logic*):
|
|
|
Vehicle Condition |
|||
---|---|---|---|
Pattern 1 |
Pattern 2 |
||
Diagnosis Condition |
Drive the vehicle. |
○ |
○ |
Malfunction Status |
A malfunction is detected in the certification ECU (smart key ECU assembly) battery power supply circuit. |
○ |
- |
A malfunction is detected in the certification ECU (smart key ECU assembly) ground circuit. |
- |
○ |
|
Detection Time |
- |
- |
|
Number of Trips |
1 trip |
1 trip |
HINT:
DTC will be output when conditions for either of the patterns in the table above are met.
Vehicle Condition and Fail-safe Function when Malfunction Detected
Vehicle Condition when Malfunction Detected |
Fail-safe Function when Malfunction Detected |
---|---|
The engine stopped while driving. |
- |
DTC No. |
Data List and Active Test |
---|---|
B228B |
- |
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Click here
HINT:
When the cable is disconnected and reconnected to the negative (-) battery terminal, the power source mode returns to the state it was in before the cable was disconnected.
PROCEDURE
1. |
CHECK HARNESS AND CONNECTOR (POWER SOURCE) |
Click here
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR IN CIRCUIT CONNECTED TO POWER SOURCE |
|
2. |
CHECK HARNESS AND CONNECTOR (GROUND) |
Click here
OK |
END (TEMPORARY CONNECTION FAILURE IS SUSPECTED) |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR IN CIRCUIT CONNECTED TO POWER SOURCE |
Toyota CH-R Service Manual > Washer Level Warning Switch: Installation
INSTALLATION
PROCEDURE
1. INSTALL LEVEL WARNING SWITCH ASSEMBLY
(a) Install the level warning switch assembly as shown in the illustration.
Install in this Direction
(b) Connect the connector.
2. ADD WASHER FLUID
Click here
3. INSTALL FRONT FENDER LINER RH
...
Toyota CH-R Service Manual > Airbag System: Rear Airbag Sensor RH Circuit Malfunction (B1630/23)
DESCRIPTION
The side collision sensor RH circuit (bus 1) consists of the airbag sensor assembly,
door side airbag sensor RH, No. 1 side airbag sensor RH and No. 2 side airbag sensor
RH.
The door side airbag sensor RH, No. 1 side airbag sensor RH and No. 2 side airbag
sensor RH detect impacts ...