October 2022 - 21
Electronic controls:
Lateral and longitudinal
Electronic controls have displaced many of the
mechanical systems we once saw on vehicles years ago.
By Scott Brown, PTEN Technical Editor
p Figure 1 - ADAS vehicle in operation, path planning to avoid a VRU
E
lectronic controls have displaced many of the
mechanical systems we once saw on vehicles
years ago. Electronic throttle and steering
are popular these days, but we're now seeing
vehicles with systems such as electromechanical
brake boosters, electric power steering executing
lane changes, avoiding vulnerable road users (VRU),
and more. This article will discuss service operations
diagnostics surrounding these systems.
ADAS
Advanced driver assistance systems (ADAS) have been populating
the vehicle beginning as far back as 2010, supporting SAE's J3016
Level 0 vehicles which, for the most part, only offered visual and/or
audible warnings to the vehicle operator when an unsafe condition
was detected. Moving into higher levels (1 and 2) requires additional
support via advanced electronic control systems supported by critical
communication channels as shown in Figure 1. Technicians looking
to stay ahead of the curve know that continuing education is an
absolute must to stay service ready. Professional service providers
possessing a deeper understanding on these systems will typically
result in " less-friction " for the service technician during diagnostics
and service.
THROTTLE ACTUATOR CONTROL (TAC)
For more than two decades, electronic throttle bodies have been
populating the vehicle market, and I suspect that your customers
have seen more than a few with intermittent DTCs related to the
throttle actuator. The device usually consists of a DC motor and two
throttle position sensors that typically, but not always, output
www.VehicleServicePros.com OCTOBER 2022 PROFESSIONAL TOOL & EQUIPMENT NEWS 21
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October 2022
Table of Contents for the Digital Edition of October 2022
EDITOR'S NOTE
NEW PRODUCTS
DIAGNOSTIC TECH
TOOL BRIEFING
TOOL REVIEWS
PEOPLE’S CHOICE WINNERS
BEST YOUNG TECH
SOCIAL INFLUENCER
INNOVATION AWARDS PROFILE
CATEGORY SPOTLIGHT
BIG-TIME BOXES
October 2022 - 1
October 2022 - 2
October 2022 - 3
October 2022 - 4
October 2022 - 5
October 2022 - 6
October 2022 - 7
October 2022 - EDITOR'S NOTE
October 2022 - 9
October 2022 - NEW PRODUCTS
October 2022 - RSC1
October 2022 - RSC2
October 2022 - 11
October 2022 - 12
October 2022 - 13
October 2022 - 14
October 2022 - 15
October 2022 - 16
October 2022 - 17
October 2022 - 18
October 2022 - 19
October 2022 - 20
October 2022 - DIAGNOSTIC TECH
October 2022 - 22
October 2022 - 23
October 2022 - 24
October 2022 - 25
October 2022 - 26
October 2022 - 27
October 2022 - TOOL BRIEFING
October 2022 - 29
October 2022 - 30
October 2022 - 31
October 2022 - 32
October 2022 - 33
October 2022 - 34
October 2022 - 35
October 2022 - TOOL REVIEWS
October 2022 - 37
October 2022 - 38
October 2022 - 39
October 2022 - PEOPLE’S CHOICE WINNERS
October 2022 - 41
October 2022 - 42
October 2022 - 43
October 2022 - 44
October 2022 - 45
October 2022 - 46
October 2022 - 47
October 2022 - 48
October 2022 - 49
October 2022 - 50
October 2022 - 51
October 2022 - 52
October 2022 - 53
October 2022 - BEST YOUNG TECH
October 2022 - 55
October 2022 - 56
October 2022 - 57
October 2022 - SOCIAL INFLUENCER
October 2022 - INNOVATION AWARDS PROFILE
October 2022 - CATEGORY SPOTLIGHT
October 2022 - 61
October 2022 - 62
October 2022 - 63
October 2022 - 64
October 2022 - 65
October 2022 - BIG-TIME BOXES
October 2022 - 67
October 2022 - 68
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