DIAGNOSIS SYSTEM
DESCRIPTION
Air conditioning system data and Diagnostic Trouble Codes (DTCs) can be read through the Data Link Connector 3 (DLC3) of the vehicle. When the system seems to be malfunctioning, use the Techstream to check for malfunctions and perform troubleshooting.
CHECK DLC3
Check the DLC3.
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Toyota CH-R Service Manual > Smart Key System(for Start Function): Ignition Hold Monitor Malfunction (B2271)
DESCRIPTION
This DTC is stored when a malfunction in the IG circuit or IG hold circuit of
the certification ECU (smart key ECU assembly) is detected.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
Note
B2271
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Toyota CH-R Service Manual > Pre-collision System: Lost Communication with Cruise Control Front Distance Range Sensor (U0235)
DESCRIPTION
The millimeter wave radar sensor assembly is connected to the skid control ECU
(brake actuator assembly) by a CAN communication line.
When entering test mode, the skid control ECU (brake actuator assembly) communicates
with the millimeter wave radar sensor assembly and determines w ...