ON-VEHICLE INSPECTION
CAUTION / NOTICE / HINT
CAUTION:
Be sure to correctly follow the removal and installation procedures for the occupant detection ECU.
PROCEDURE
1. INSPECT OCCUPANT DETECTION ECU (for Vehicle not Involved in Collision)
(a) Perform a diagnostic system check.
Click here
2. INSPECT OCCUPANT DETECTION ECU (for Vehicle Involved in Collision)
(a) Perform a diagnostic system check.
Click here
(b) Visually check for defects with the occupant detection ECU.
HINT:
The defects are as follows:
OK:
No defects are found.
If any defects are found, replace the occupant detection ECU with a new one.
Components
RemovalToyota CH-R Service Manual > Lighting System: Control Module Communication Bus OFF (U0073,U0100,U0129,U0142)
DESCRIPTION
These DTCs are stored when the CAN communication system is malfunctioning.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
Note
U0073
Control Module Communication Bus OFF
Lost comm ...
Toyota CH-R Service Manual > Lin Communication System: Communication Malfunction between ECUs Connected by LIN (B2785)
DESCRIPTION
If the certification ECU (smart key ECU assembly) detects a communication error
with an ECU connected to the certification bus lines for 7 seconds or more, DTC
B2785 will be stored.
DTC No.
Detection Item
DTC Detection Condition
Trouble A ...