SMOG CHECK INSPECTOR EXAM CA 2026
QUESTION BANK AUTOMOTIVE DIAGNOSTICS
MODULE SOLVED ITEMS AND RESPONSE KEY
◉ 2000+. Answer: Gasoline vehicles receive an OIS inspection
◉ 1996+. Answer: Vehicles receive an OBD2 functional test
◉ ASM. Answer: Enhanced area inspection for 1999 and older
vehicles compatible with a 2WD dynamometer
◉ TSI. Answer: Basic and Change of Ownership area inspection for
all 1999 and older vehicles, and Enhanced area inspection for 1999
and older vehicles NOT compatible with a 2WD dynamometer
◉ Missing (S) BAR97 only. Answer: All or part of an emissions
control system or component which has been removed from
the vehicle or engine.
◉ Modified (M) BAR97 only. Answer: If an emission control system
or component:
•Has been disabled even though it is present and properly connected
to the engine
, and/or vehicle;
• Has been replaced with a component not marketed by its
manufacturer for street
use on the vehicle,
• Has been changed such that there is
no capacity for connection with or operation of other emissions
control components
or systems
◉ Disconnected (D) BAR97 only. Answer: Any hose, wire, belt or
component, which is required for the operation of the emission
control system is present, but has been disconnected.
◉ Tampered (T) OIS only. Answer: An emissions control system or
component that is missing, modified, or disconnected
◉ Defective (D). Answer: Any normal wear, deterioration, or
unintentional disturbance that will affect the operation
of an emissions control component or system. It is not a condition
that occurs as a result
of tampering. An unintentional disturbance includes, but is not
limited to, a hose, wire,
cap, or thermal valve or switch, disturbed and not reconnected or
corrected when the
QUESTION BANK AUTOMOTIVE DIAGNOSTICS
MODULE SOLVED ITEMS AND RESPONSE KEY
◉ 2000+. Answer: Gasoline vehicles receive an OIS inspection
◉ 1996+. Answer: Vehicles receive an OBD2 functional test
◉ ASM. Answer: Enhanced area inspection for 1999 and older
vehicles compatible with a 2WD dynamometer
◉ TSI. Answer: Basic and Change of Ownership area inspection for
all 1999 and older vehicles, and Enhanced area inspection for 1999
and older vehicles NOT compatible with a 2WD dynamometer
◉ Missing (S) BAR97 only. Answer: All or part of an emissions
control system or component which has been removed from
the vehicle or engine.
◉ Modified (M) BAR97 only. Answer: If an emission control system
or component:
•Has been disabled even though it is present and properly connected
to the engine
, and/or vehicle;
• Has been replaced with a component not marketed by its
manufacturer for street
use on the vehicle,
• Has been changed such that there is
no capacity for connection with or operation of other emissions
control components
or systems
◉ Disconnected (D) BAR97 only. Answer: Any hose, wire, belt or
component, which is required for the operation of the emission
control system is present, but has been disconnected.
◉ Tampered (T) OIS only. Answer: An emissions control system or
component that is missing, modified, or disconnected
◉ Defective (D). Answer: Any normal wear, deterioration, or
unintentional disturbance that will affect the operation
of an emissions control component or system. It is not a condition
that occurs as a result
of tampering. An unintentional disturbance includes, but is not
limited to, a hose, wire,
cap, or thermal valve or switch, disturbed and not reconnected or
corrected when the
