DESCRIPTION
This DTC is stored when a malfunction in the water submersion detection circuit inside the certification ECU (smart key ECU assembly) is detected.
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
Note |
---|---|---|---|---|
B2277 |
Detecting Vehicle Submersion |
Water submersion detected by the water submersion detection circuit inside the certification ECU (smart key ECU assembly). (1-trip detection logic*) |
Certification ECU (Smart key ECU assembly) |
|
Vehicle Condition when Malfunction Detected |
Fail-safe Function when Malfunction Detected |
---|---|
The engine switch cannot be turned off and the engine cannot be started. |
- |
DTC No. |
Data List and Active Test |
---|---|
B2277 |
- |
CAUTION / NOTICE / HINT
NOTICE:
Click here
Click here
HINT:
PROCEDURE
1. |
CHECK WATER INTRUSION |
(a) Check that the certification ECU (smart key ECU assembly), its ground area and wire harnesses have no signs of water intrusion.
Result |
Proceed to |
---|---|
No sign of water intrusion found |
A |
Signs of water intrusion found |
B |
A | ![]() |
REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) |
B | ![]() |
CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) |
Toyota CH-R Service Manual > Steering Heater Switch: Installation
INSTALLATION
PROCEDURE
1. INSTALL STEERING HEATER SWITCH
(a) Engage the 2 claws to install the steering heater switch to the fuse box
opening cover.
Install in this direction
2. INSTALL FUSE BOX OPENING COVER
Click here
3. CONNECT HOOD LOCK CONTROL LEV ...
Toyota CH-R Service Manual > Airbag System: Trouble in Passenger Airbag ON/OFF Indicator
DESCRIPTION
This circuit detects the airbag cut off switch cylinder sub-assembly status.
The passenger airbag ON/OFF indicator comes on to inform the driver of the instrument
panel passenger without door airbag assembly status (activated or deactivated).
HINT:
Approximately 6 seconds after the ...