CHECK FOR INTERMITTENT PROBLEMS
HINT:
Inspect the ECM using check mode. Intermittent problems are easier to detect with the Techstream when the ECM is in check mode. In check mode, the ECM uses 1 trip detection logic, which is more sensitive to malfunctions than normal mode (default), which uses 2 trip detection logic.
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System Description
Road TestToyota CH-R Service Manual > Lighting System: CAN Communication Failure (Message Registry) (U1000)
DESCRIPTION
The headlight ECU sub-assembly LH stores this DTC if it detects an internal malfunction
related to the CAN communication system.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
Note
U1000
C ...
Toyota CH-R Service Manual > Airbag System: Center Airbag Sensor Assembly Malfunction (B1000/31)
DESCRIPTION
The airbag sensor assembly consists of the acceleration sensor, safing sensor,
drive circuit, diagnosis circuit, ignition control, etc.
If the airbag sensor assembly receives signals from the acceleration sensor and
pressure sensor, it determines whether the airbags and pretensione ...