Transmitter Battery(w/o Smart Key System)Toyota CH-R Service Manual > Lin Communication System: Diagnosis System
DIAGNOSIS SYSTEM
DESCRIPTION
The main body ECU (multiplex network body ECU) and certification ECU (smart key
ECU assembly) control the LIN communication system. LIN communication system data
and Diagnostic Trouble Codes (DTCs) can be read through the Data Link Connector
3 (DLC3).
When the s ...
Toyota CH-R Service Manual > Immobiliser System(w/ Smart Key System): Theft Deterrent System Communication Line High Fixation (B279A)
DESCRIPTION
If the communication line (IMI - EFIO) between the ECM and ID code box (immobiliser
code ECU) is stuck high, the ECM will store this DTC.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
Note
B279A
...