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Tester for diagnostics of alternator's voltage regulators
img good Tester for diagnostics of alternator's voltage regulators

MS016B
Tester for diagnostics of alternator's voltage regulators

The MS016B tester is a compact multifunctional device designed for express diagnostics of automotive alternators and starters directly on the vehicle. It is intended for testing 12/24 V alternators, 12 V alternators used in start-stop systems, as well as starters. The tester can be used to assess the condition of voltage regulators separately from the alternator, as well as to read and save data transmitted via LIN, CAN and CAN-FD buses for further analysis.
Manufacturer: MSG Equipment

MS016B — a multifunctional tester for automotive electrical system diagnostics. The tester can be used to assess the technical condition of an alternator directly on the vehicle, check a voltage regulator independently of the alternator, and analyze data communication over LIN, CAN, and CAN-FD automotive buses. This helps identify faults and determine whether further repair or component removal is required.

Main functions

1. Automotive alternator diagnostics. The tester supports testing alternators with nominal voltages of 12 V and 24 V, including 12 V Start-Stop alternators such as the VALEO i-StARS.

2. Voltage regulator testing. The MS016B can test the operation of 12 V and 24 V alternator voltage regulators independently of the alternator. A database of regulator connection diagrams is available to simplify connection to the tester.

3. CAN/LIN Hacker function - designed to read and write data over CAN, CAN-FD, and LIN automotive digital buses. Simultaneous operation with multiple data buses is supported.

4. Starter diagnostics. When used with the dedicated MS-33503A cable, the tester can check a starter directly on the vehicle without removing it. A removed starter can also be tested on a test bench that provides secure mounting and power supply. (The MS-33503A cable is not included with the MS016B and must be purchased separately.)

Advantages

  • Multifunctionality: diagnose alternators, starters, voltage regulators, and automotive digital buses with a single device.

  • On-vehicle diagnostics: assess alternator and starter operation directly on the vehicle without removing the components.

  • Independent voltage regulator testing: an additional way to identify faults in the charging system.

  • Connection diagram database: simplifies the connection of different voltage regulators.

  • Compact design and ease of use: suitable for everyday use in automotive repair shops.

  • Free software updates

Technical Specifications
Supply voltage, V
from 12 to 40
Software update
yes
Rated voltage of the diagnosed units, V
12, 24
Types of diagnosed alternators 12V
Lamp, SIG, RLO, RVC, C KOREA, P/D, G, COM (LIN, BSS), C JAPAN, I-StARS, CAN
Types of diagnosed alternators 24V
Lamp, COM (LIN), PWM (SCANIA)
Control
on the touch screen
Width, m
0,085
Depth, m
0,018
Height, m
0,157
Weight, kg
0,58
Short-circuit protection during voltage regulator test
yes
Types of diagnosed voltage regulators
Lamp, SIG, RLO, RVC, C KOREA, P/D, G, COM (LIN, BSS), C JAPAN, і-ELOOP
Voltage regulators database
yes
Resistance of the imitating rotor winding coil, Ohm
no
Engine speed imitation, rpm
from 0 to 6000
Voltage regulator load imitation
no
Power source
12/24 V battery and/or USB Type-C with PD 3.0 function
User interface language
DEU, ENG, POL, RUS, SPA, UKR
Testing of high current consumption voltage regulators (BOSCH, F00… series)
yes
Data bus operation
LIN, CAN, CAN-FD («CAN/LIN Hacker» function)
Starter diagnostics (MS-33503A cable)
yes (the MS-33503A cable is not included in the delivery set)
Testing of 48 V belt starter-generators (BSG)
no
Materials about MS016B to download:
Format
Name
Latest update
MS016B User Manual
28/10/2026