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Question # 36

A hybrid refuses to enter Ready mode. DTC shows “Pre-Charge Circuit Open.” What’s MOST likely?

Options:

A.

Failed pre-charge resistor or relay

B.

Weak spark plug

C.

Faulty MAP sensor

D.

Dirty PCV valve

Question # 37

A hybrid loses brake assist intermittently during EV mode. What’s MOST likely?

Options:

A.

Electric vacuum pump fault

B.

Weak ignition coil

C.

Faulty oxygen sensor

D.

Cracked exhaust manifold

Question # 38

A hybrid battery overheats during highway driving. Scan tool shows fan speed normal but airflow weak. What’s MOST likely?

Options:

A.

Obstructed cooling duct or filter

B.

Weak injector

C.

Faulty crankshaft sensor

D.

Dirty catalytic converter

Question # 39

A hybrid loses brake assist while in EV-only mode. What’s MOST likely?

Options:

A.

Failed electric vacuum pump

B.

Faulty MAP sensor

C.

Dirty throttle plate

D.

Weak ignition coil

Question # 40

A hybrid shows “Inverter Overcurrent” DTCs during acceleration. Which fault is MOST likely?

Options:

A.

Shorted motor winding

B.

Faulty O2 sensor heater

C.

Worn timing chain

D.

Low refrigerant charge

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Name Automotive Service Excellence: Light Duty Hybrid/Electric Vehicle Specialist
Code L3
Vendor Skilled Trades
Certification ASE

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