Some states have vehicle emission inspection programs which include OBD (On Board Diagnostics) checks. The OBD system monitors the operation of the emission control system.
If the malfunction indicator lamp comes on
The OBD system determines that a problem exists somewhere in the emission control system. Your vehicle may not pass the I/M test and may need to be repaired. Contact your Toyota dealer to service the vehicle.
Your vehicle may not pass the I/M test in the following situations:
Also, depending on your driving habits, the readiness codes may not be completely set.
When the malfunction indicator lamp remains on after several driving trips
An OBD system error code will not be cleared unless the vehicle is driven 40 or more times.
If your vehicle does not pass the I/M test
Contact your Toyota dealer to prepare the vehicle for re-testing.
Toyota CH-R Service Manual > Vehicle Stability Control System: Check For Intermittent Problems
CHECK FOR INTERMITTENT PROBLEMS
CHECK FOR INTERMITTENT PROBLEMS
HINT:
A momentary interruption (open circuit) in the connectors and/or wire harness
between the sensors and ECUs can be detected using the Data List function of the
Techstream.
(a) Turn the ignition switch off.
(b) Connect the ...
Toyota CH-R Service Manual > Airbag System: Lost communication with Side Airbag Sensor RH (B1622/81,B1623/81,B1632/81,B1633/81,B1642/81,B1643/81,B166D/81,B166E/81)
DESCRIPTION
The side collision sensor RH circuit (bus 1) consists of the airbag sensor assembly,
door side airbag sensor RH, No. 1 side airbag sensor RH and No. 2 side airbag sensor
RH.
The door side airbag sensor RH, No. 1 side airbag sensor RH and No. 2 side airbag
sensor RH detect impacts ...