pre-test CRDe EXPERT

if a cable has two colours, what is the meaning of colour code ?

• the first colour code indicates the basic colour and the second indicates the marking colour
• the first colour code indicates the marking colour and the second indicates the basic colour
• the first colour code indicates basic colour and the second indicates the circuit colour
• the first colour code indicates basic colour and the second indicates the wire colour

In total ECU connector has 94 pins. How many pins are numbered ?

• only in 10 (6 + 4) pins
• all 94 pins
• only in 12 (6 + 2 + 4) pins
• only in 6 pins

How the ‘connector pin’ number should be read ?

• always read the ‘connector pin’ number from REAR – wire end only
• always read the ‘connector pin’ number from FRONT end only
• read the ‘connector pin’ number either from FRONT or REAR
• ‘connector pin’ number is written on all connectors

Which is NOT related to INLINE fuel system ?

• INDEPENDENT injection pressure

• STATIC injection timing

• SINGLE injection

• LOW injection pressure

Why ‘PILOT’ injection is used in Common Rail fuel system ?

• to reduce NOISE
• to reduce EMISSION
• to increase POWER
• to reduce TORQUE vibration

Why ‘POST’ injection is used in Common Rail fuel system ?

• to reduce EMISSION
• to reduce NOISE
• to increase POWER
• to reduce TORQUE vibration

Why Injector BACK LEAK test is done ?

• to identify suspect injector from the set of injectors only
• to find out whether the individual injector is good or bad
• to measure fuel consumption
• to check whether IQA is correct or not

What is a ‘P’ codes ?

• ‘P’ code is Powertrain Code related to engine, transmission and emissions systems
• ‘P’ code is Powertrain Code related to engine, and emissions systems
• ‘P’ code is Powertrain Code related to engine only
• ‘P’ code is Powertrain Code related to emissions system only

Our CHECK LAMP in cluster is Class 2 & 3. How is the type of activation of this CHECK LAMP ?

• Both ‘Continuous lamp support’ & ‘Blinking lamp support’
• Only ‘Continuous lamp support’
• Only ‘Blinking lamp support’
• ONLY ‘on – off lamp support’

Our MIL in cluster is Class 4. How is the type of activation of this CHECK LAMP ?

• Only ‘Continuous lamp support’
• Both ‘Continuous lamp support’ & ‘Blinking lamp support’
• Only ‘Blinking lamp support’
• ONLY ‘on – off lamp support’