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.

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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
Front Passenger Seat Condition	ON Indicator	OFF Indicator	SRS Warning Light
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 > Safety Connect System: Short in Telephone Antenna Circuit (B1573,B15CB)
DESCRIPTION These DTCs are stored when the DCM (Telematics Transceiver) detects an open or a short in the telephone and GPS antenna assembly (for Roof Side) circuit. The DCM (Telematics Transceiver) oscillates and receives 824 - 894 MHz or 1850 - 1990 MHz radio-frequency through the telephone ...

Toyota CH-R Owners Manual > Using the other interior features: Other interior features
Sun visors To set the visor in the forward position, flip it down. To set the visor in the side position, flip down, unhook, and swing it to the side. Vanity mirrors Slide the cover to open. The light turns on when the cover is opened. (if equipped) Clock The clock can be adj ...