VEHICLE MANAGEMENT SYSTEMS QUESTIONS AND ANSWERS

VEHICLE MANAGEMENT SYSTEMS
QUESTIONS AND ANSWERS


If an oxygen sensor indicates an AFR(rich AFR) which could cause the condition? - ans-
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Which OBDII codes signify an Idle Control Circuit - ans-P0505
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While manually performing an OBDII drive cycle test, which system will be tested during 2 1
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/2 mins if idling after start? - ans-
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Canister Purge, O2 system and Cat Converter will be tested later because it require heat to
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properly read the system. sd sd sd




OBD II equipped vehicle has MIL but will not communicate with the scan tool. What would c
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ause the issue? - ans-Non-compliant CAN scan tool
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Which publication contains procedures for retrieving diagnostic trouble trees? - ans-
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Service Manual sd




Which on board controllers should be checked for information on the power window? - ans-
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BCM

On boad diagnostic system publishes U0029, Vehicle communication Bus a Performance,
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which tool should you use to test networking wiring? - ans-High Speed Lab Scope
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In order to replace a splayed pin on a PCM harness, which of the following should be used?
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- ans-Terminal Tool
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OBD II protocol ensures that an MIL will illuminate when tailpipe emission exceed Federal
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Test procedures by what %? - ans-50% higher or 1 1/2 times the limit
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In order to properly start a drive cycle test to verify a system fix, what should the ECT be les
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s than? - ans-50*C or 122*F
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If the active suspension were to incur a fault, what would be the generated code start with a
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n OBD II - ans-C for Chassis
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V8, OBD compliant hesitate a few mins after a hot soak restart condition and then runs fine,
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which sensor is more likely to cause this condition? - ans-Oxygen sensor
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