OBDII
Authored by Lynn Reeves
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22 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The MIL is turned off under any of the following conditions, EXCEPT _______.
-Codes are cleared with a scan tool
-Power to the PCM is disconnected
-Vehicle is driven on 3 consecutive trips with a warm-up cycle, without detecting a fault
-PCM diagnostic link is grounded
Codes are cleared with a scan tool
Power to the PCM is disconnected
Vehicle is driven on 3 consecutive trips with a warm-up cycle, without detecting a fault
PCM diagnostic link is grounded
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A U type DTC indicates a problem with ________.
-Powertrain
-Body and accessories
-Communication related systems
-Suspension system
Powertrain
Body and accessories
Communication related systems
Suspension system
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A freeze frame is generated on an OBD-II vehicle ________.
-When a type C or D diagnostic trouble code is set
-When a type A or B diagnostic trouble code is set
-Every other trip
-When the PCM detects a problem with the O2S
When a type C or D diagnostic trouble code is set
When a type A or B diagnostic trouble code is set
Every other trip
When the PCM detects a problem with the O2S
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A pending code is set when a fault is detected on ________.
-A one-trip fault item
-The first fault of a two-trip failure
-The catalytic converter efficiency test
-A thermostat problem (too long to closed-loop status)
A one-trip fault item
The first fault of a two-trip failure
The catalytic converter efficiency test
A thermostat problem (too long to closed-loop status)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A type C DTC will light the MIL.
-True
-False
True
False
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An element of the OBD II diagnostic management system which stores engine data during a DTC set is called ________.
-Misfire
-Vehicle in vehicle out
-Freeze frame
-Memory account
Misfire
Vehicle in vehicle out
Freeze frame
Memory account
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An ignition misfire or fuel mixture problem is an example of what type of DTC?
-Type A
-Type B
-Type C
-Type D
Type A
Type B
Type C
Type D
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