Toyota Corolla Cross: System Description
SYSTEM DESCRIPTION
GENERAL
(a) The airbag ECU assembly estimates the weight of an occupant based on signals received from the 2 occupant classification sensors. The airbag ECU assembly determines whether the front passenger seat is occupied and classifies the occupant based on the estimated weight, front passenger side buckle switch state, acceleration sensor signal and vehicle speed signal.
(b) The airbag ECU assembly controls the operation of the passenger airbag ON/OFF indicator and restricts the operation of the instrument panel passenger without door airbag assembly.
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How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use the following procedure to troubleshoot the occupant classification system.
*: Use the GTS.
PROCEDURE
1. VEHICLE BROUGHT TO WORKSHOP
Operation Check
OPERATION CHECK CHECK SRS WARNING LIGHT (a) Primary check
(1) Turn the ignition switch to ON and check that the SRS warning light turns on.
(2) Turn the ignition switch off. Wait for at least 2 s
Initialization
INITIALIZATION DESCRIPTION (a) Zero point of the occupant classification sensors may deviate in the following situations. To ensure sensor accuracy, be sure to perform Occupant Detection Sensor Zero P
SEE MORE:
Lost Communication With ECM/PCM "A" Missing Message (U010087,U012987,U014087,U015587,U016487,U016887,U019887,U026587,U029387,U100049,U111087)
DESCRIPTION
These DTCs are stored when the radio receiver assembly detects
a malfunction in the CAN communication circuit.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
DTC Output from
Priority
U0100
Right Frontal Restraints Sensor Value of Signal Protection Calculation Incorrect (B009583)
DESCRIPTION
DTC No. Detection Item
DTC Detection Condition Trouble Area
Warning Indicate Test Mode / Check Mode
B009583 Right Frontal Restraints Sensor Value of Signal Protection Calculation Incorrect
One of the following conditions is met:
The airbag E
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