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 Lock System: Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Steering Lock System
DTC No.
Detection Item
DTC Detection Condition
Note
Link
B2781
Open / Short in Steering Lock ECU
One of the following conditions is met (1-trip detection ...
Toyota CH-R Service Manual > Power Door Lock Control System: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use the following procedure to troubleshoot the power door lock control
system.
*: Use the Techstream.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
NEXT
...