Toyota CH-R Service Manual: Diagnosis System

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

DIAGNOSIS SYSTEM

CHECK DLC3

(a) Check the DLC3.

Click here

FUNCTION OF PASSENGER AIRBAG ON/OFF INDICATOR

(a) Initial check

(1) Turn the ignition switch to ON.

(2) The passenger airbag ON/OFF indicator comes on for approximately 4 seconds, then goes off for approximately 2 seconds.

(3) Approximately 6 seconds after the ignition switch is turned ON, the passenger airbag ON/OFF indicator will indicate ON/OFF depending on the following conditions.

Indicator Operation

Front Passenger Seat Condition

Passenger Airbag ON/OFF Indicator

SRS Warning Light

ON Indicator

OFF Indicator

Vacant

OFF

ON

OFF

Adult*1 is seated

ON

OFF

OFF

Child*2 is seated

ON or OFF*2

OFF or ON*2

OFF

Child restraint system is installed

OFF

ON

OFF

Occupant classification system failure

OFF

ON

ON
  • *1: The system judges a person of average adult weight or more as an adult. If a smaller adult sits in the front passenger seat, the system may not recognize them as an adult depending on their physique and posture.
  • *2: The system may not recognize a child or a child in a child restraint system as a child depending on factors such as the positioning of the child restraint system or the child's physique or posture.

HINT:

  • The passenger airbag ON/OFF indicator illuminates based on the following timing chart in order to check the indicator light circuit.
  • When the occupant classification system has a malfunction, both the SRS warning light and passenger airbag ON/OFF indicator ("OFF") come on. In this case, check for airbag system DTCs first.

PASSENGER AIRBAG ON/OFF INDICATOR CHECK

(a) Turn the ignition switch to ON.

(b) Check that the passenger airbag ON/OFF indicator ("ON" and "OFF") comes on for approximately 4 seconds, then goes off for approximately 2 seconds.

HINT:

Refer to the indicator operation table in Function of Passenger Airbag ON/OFF Indicator for the passenger airbag ON/OFF indicator operation when the ignition switch is turned ON and approximately 6 seconds elapse.

    Terminals Of Ecu
    TERMINALS OF ECU OCCUPANT DETECTION ECU Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition ...

    Dtc Check / Clear
    DTC CHECK / CLEAR DTC CHECK (a) Turn the ignition switch off. (b) Connect the Techstream to the DLC3. (c) Turn the ignition switch to ON, and wait for at least 10 seconds. (d) Turn the Techstream ...

    Other materials:

    Toyota CH-R Service Manual > Wiper / Washer: Front Wiper Rubber
    Components COMPONENTS ILLUSTRATION *1 FRONT WIPER BLADE *2 WIPER RUBBER ...

    Toyota CH-R Service Manual > Brake System: Precaution
    PRECAUTION NOTICE: This vehicle is equipped with an SRS (Supplemental Restraint System). Failure to carry out service operations in the correct sequence could cause the SRS to unexpectedly deploy during servicing. This may cause a serious accident. Before servicing (including i ...

    Toyota CH-R Owners Manual

    Toyota CH-R Service Manual

    © 2017-2019 Copyright www.tochr.net
    0.0155