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
Body Electrical > Smart Key > Clear DTCs
|
2. |
CHECK FOR DTC |
(a) Check for DTCs.
Click here
Body Electrical > Smart Key > Trouble CodesOK:
DTC B278C is not output.
OK |
USE SIMULATION METHOD TO CHECK |
NG |
REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) |
Toyota CH-R Service Manual > Airbag System: Short in Rear Side Squib RH Circuit (B1850/62-B1853/62)
DESCRIPTION
The rear side squib RH circuit consists of the airbag sensor assembly and rear
seat airbag RH
The airbag sensor assembly uses this circuit to deploy the airbag when deployment
conditions are met.
These DTCs are stored when a malfunction is detected in the rear side squib RH
circ ...
Toyota CH-R Service Manual > Front Lower Ball Joint: Removal
REMOVAL
CAUTION / NOTICE / HINT
The necessary procedures (adjustment, calibration, initialization, or registration)
that must be performed after parts are removed and installed, or replaced during
front lower ball joint assembly removal/installation are shown below.
Necessary Procedures After ...