MECP Masters Study Guide 2025/2026
Exam Questions with 100% Correct
Answers | Latest Update
Cars in 1982 - 🧠 ANSWER ✔✔About 500 wires
Cars in 1992 - 🧠 ANSWER ✔✔About 2000 wires
Appropriate substitute for a relay in a low current DC switching application.
- 🧠 ANSWER ✔✔NPN Transistor
Time constant formula for capacitors. - 🧠 ANSWER ✔✔1 TC = R x C
(Resistance x Capacitance)
Can be placed on a relay to protect transistorized outputs on an ECU. - 🧠
ANSWER ✔✔Silicon Diode (place in parallel across the coil terminals)
In a NPN transistor, the direction of the arrow indicates. - 🧠 ANSWER
✔✔The N material
On the OBD-II diagnostic connector the supply B+ and ground are. - 🧠
ANSWER ✔✔Pin 4 is chassis ground and pin 16 is B+
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
1
, Character that represents an OBD-II network diagnostic trouble code. - 🧠
ANSWER ✔✔U
MOSFETS - 🧠 ANSWER ✔✔metal oxide semiconductor field effect
transistor
JFET - 🧠 ANSWER ✔✔junction field effect transistor
Logic gates - 🧠 ANSWER ✔✔semiconductor that allow the smallest of
currents(voltages) to control much larger voltages or currents
The "AND" Gate - 🧠 ANSWER ✔✔both inputs much be True
The "OR" Gate - 🧠 ANSWER ✔✔any one of the inputs can be True
The "NOT" Gate - 🧠 ANSWER ✔✔simply inverts the input
Over what conductor configuration is MOST 50 ePHY transmitted? - 🧠
ANSWER ✔✔A Dual UTP of four wires
In an OBD-II complaint DTC what does the first character "U" represent? -
🧠 ANSWER ✔✔A network related code
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
2
Exam Questions with 100% Correct
Answers | Latest Update
Cars in 1982 - 🧠 ANSWER ✔✔About 500 wires
Cars in 1992 - 🧠 ANSWER ✔✔About 2000 wires
Appropriate substitute for a relay in a low current DC switching application.
- 🧠 ANSWER ✔✔NPN Transistor
Time constant formula for capacitors. - 🧠 ANSWER ✔✔1 TC = R x C
(Resistance x Capacitance)
Can be placed on a relay to protect transistorized outputs on an ECU. - 🧠
ANSWER ✔✔Silicon Diode (place in parallel across the coil terminals)
In a NPN transistor, the direction of the arrow indicates. - 🧠 ANSWER
✔✔The N material
On the OBD-II diagnostic connector the supply B+ and ground are. - 🧠
ANSWER ✔✔Pin 4 is chassis ground and pin 16 is B+
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
1
, Character that represents an OBD-II network diagnostic trouble code. - 🧠
ANSWER ✔✔U
MOSFETS - 🧠 ANSWER ✔✔metal oxide semiconductor field effect
transistor
JFET - 🧠 ANSWER ✔✔junction field effect transistor
Logic gates - 🧠 ANSWER ✔✔semiconductor that allow the smallest of
currents(voltages) to control much larger voltages or currents
The "AND" Gate - 🧠 ANSWER ✔✔both inputs much be True
The "OR" Gate - 🧠 ANSWER ✔✔any one of the inputs can be True
The "NOT" Gate - 🧠 ANSWER ✔✔simply inverts the input
Over what conductor configuration is MOST 50 ePHY transmitted? - 🧠
ANSWER ✔✔A Dual UTP of four wires
In an OBD-II complaint DTC what does the first character "U" represent? -
🧠 ANSWER ✔✔A network related code
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
2
