Toyota CH-R Service Manual: System Diagram

Toyota CH-R Service Manual / Supplemental Restraint Systems / Occupant Classification System / System Diagram

SYSTEM DIAGRAM

Communication Table

Transmitting ECU

(Transmitter)

Receiving ECU

Signal

Communication Method

Airbag Sensor Assembly

Occupant Detection ECU
  • Crash detection signal
  • Acceleration signal
  • Sensor power supply signal
  • Sensor failure signal
  • Sensor Type signal

CAN

Skid Control ECU (Brake Actuator Assembly)

Occupant Detection ECU
  • Vehicle speed signal
  • G sensor signal
  • G sensor zero point error signal

Occupant Detection ECU

Airbag Sensor Assembly
  • Occupant classification system failure signal
  • Occupant classification system zero point error signal
  • Occupant state for passenger signal
  • Buckle switch state of passenger signal
    Precaution
    PRECAUTION GENERAL PRECAUTION (a) The following conditions may be interpreted as a malfunction even though they are normal operation: An object is placed on the passenger seat and the syst ...

    How To Proceed With Troubleshooting
    CAUTION / NOTICE / HINT HINT: Use the following procedure to troubleshoot the occupant classification system. *: Use the Techstream. PROCEDURE 1. VEHIC ...

    Other materials:

    Toyota CH-R Service Manual > Rain Sensor: On-vehicle Inspection
    ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT RAIN SENSOR (a) Disconnect the R1 rain sensor connector. *a Front view of wire harness connector (to Rain Sensor) ...

    Toyota CH-R Service Manual > Can Communication System: Check Bus 3 Line for Short to +B
    DESCRIPTION There may be a short circuit between one of the CAN bus lines and +B when no resistance exists between terminal 6 (CA3H) of the central gateway ECU (network gateway ECU) and terminal 16 (BAT) of the DLC3, or terminal 21 (CA3L) of the central gateway ECU (network gateway ECU) and t ...

    Toyota CH-R Owners Manual

    Toyota CH-R Service Manual

    © 2017-2024 Copyright www.tochr.net
    0.0188