Supplemental Restraint Systems

Diagnosis System

~1min read
DIAGNOSIS SYSTEM

1. CHECK DLC3

(a) Check the DLC3 (See page ).


2. FUNCTION OF PASSENGER AIRBAG ON/OFF INDICATOR

(a) Initial check.

(1) Turn the ignition switch to ON.

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

(3) Approximately 6 seconds after the ignition switch is turned to ON, the passenger airbag ON/OFF indicator will show ON or OFF depending on the conditions listed below.

Front Passenger Seat Condition

Passenger Airbag ON/OFF Indicator

SRS Warning Light

ON Indicator

OFF Indicator

Vacant

OFF

OFF

OFF

Adult is seated.

ON

OFF

OFF

Child is seated.

OFF

ON

OFF

Child restraint system is set.

OFF

ON

OFF

Occupant classification system failure

OFF

ON

ON

HINT:

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

3. CHECK PASSENGER AIRBAG ON/OFF INDICATOR

(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 table in step 3 regarding the passenger airbag ON/OFF indicator when the ignition switch is turned to ON and approximately 6 seconds pass.

Test yourself

A quick Toyota Venza quiz: every answer comes with an explanation and a link to the manual page.