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 > Rear Brake(for Tmmt Made): Reassembly
REASSEMBLY
PROCEDURE
1. TEMPORARILY TIGHTEN REAR DISC BRAKE BLEEDER PLUG
(a) Temporarily install the rear disc brake bleeder plug to the rear disc brake
cylinder assembly.
HINT:
Fully tighten the rear disc brake bleeder plug after bleeding the system.
2. INSTALL REAR DISC BRAKE BLEEDER PLUG ...
Toyota CH-R Service Manual > Front Wiper Motor: Removal
REMOVAL
CAUTION / NOTICE / HINT
NOTICE:
Make sure to hold the front wiper arm while lifting it as lifting the front wiper
arm by the front wiper blade may damage or deform the front wiper blade.
PROCEDURE
1. REMOVE FRONT WIPER ARM HEAD CAP
(a) Using a screwdriver with its tip wrapped in prot ...