Exhaust gas precautions
Riding with childrenToyota 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
...
Toyota CH-R Service Manual > Steering Lock System: Dtc Check / Clear
DTC CHECK / CLEAR
NOTICE:
The steering lock ECU (steering lock actuator or upper bracket assembly)
does not store history DTCs. If any DTCs are output, confirm and record
them as soon as possible. Do not turn the engine switch off or clear the
DTCs until the DTCs are confirmed ...