DESCRIPTION
This DTC is stored when LIN communication between the certification ECU (smart key ECU assembly) and power management control ECU stops for 10 seconds or more.
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
|---|---|---|---|
|
B278C |
Lost Communication with Power Source Control |
An internal malfunction occurs in the certification ECU (smart key ECU assembly). |
Certification ECU (smart key ECU assembly) |
HINT:
The power management control ECU is built into the certification ECU (smart key ECU assembly).
CAUTION / NOTICE / HINT
NOTICE:
Click here
PROCEDURE
|
1. |
CLEAR DTC |
(a) Clear the DTCs.
Click here
|
|
2. |
CHECK FOR DTC |
(a) Check for DTCs.
Click here
OK:
DTC B278C is not output.
| OK | |
USE SIMULATION METHOD TO CHECK
|
| NG | |
REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) |
Rear Door LH ECU Communication Stop (B2324)
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DESCRIPTION
If the entry unlock function does not operate for the front passenger door only,
but the entry lock function operates, the request code is being transmitted properly
from the front passenger door. In this case, there may be a problem related to the
unlock sensor (connection betwee ...
Toyota CH-R Service Manual > Rain Sensor: Installation
INSTALLATION
PROCEDURE
1. INSTALL RAIN SENSOR TAPE
HINT:
The rain sensor tape is reusable. Only replace the tape if it is damaged or contaminated
with foreign matter.
(a) Remove the rain sensor tape.
(b) Clean the rain sensor sensing portion with a piece of cloth.
(c) Peel off th ...