InstallationToyota CH-R Service Manual > Immobiliser System(w/o Smart Key System): Theft Deterrent System Communication Line High Fixation (B279A)
DESCRIPTION
If the communication line (EFIO-IMI) to the transponder key ECU assembly is stuck
high (e.g. shorted to +B), the ECM stores this DTC.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
Note
B279A
...
Toyota CH-R Service Manual > How To Troubleshoot Ecu Controlled Systems: Electronic Circuit Inspection Procedure
ELECTRONIC CIRCUIT INSPECTION PROCEDURE
BASIC INSPECTION
(a) WHEN MEASURING RESISTANCE OF ELECTRONIC PARTS
(1) Unless otherwise stated, all resistance measurements are standard values
measured at an ambient temperature of 20°C (68°F). Resistance measurements may be
inaccurate if measured at ...