Toyota Camry (XV70): Automatic Transaxle System
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PRECAUTION PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE BATTERY TERMINAL
NOTICE: When disconnecting the cable from the negative (-) battery terminal, initialize the following system(s) after the
DEFINITION OF TERMS
Term Definition
Monitor description Description of what the ECM monitors and how it detects malfunctions (monitoring purpose and details).
Related DTCs
PARTS LOCATION ILLUSTRATION
*1 ECM
*2 ENGINE ROOM RELAY BLOCK AND JUNCTION BLOCK ASSEMBLY
- ST RELAY - EFI-MAIN NO. 1 FUSE - J/B-B FUSE - ETCS FUSE ILLUSTRATION
*A
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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
PROCEDURE
1. CHECK PORTABLE PLAYER SETTINGS
(a) Check the portable player settings. (1) Check that the volume is not set to "0".
(2) Check that mute is off. (b) Check that the sound of the portable player can be heard from the speakers.
OK: Sound of the portable player can be hear