Tech Tip: Diagnosing Starting/Charging Systems
How many starters and alternators are replaced unnecessarily every year because of misdiagnosis? Nobody knows for sure, but suppliers of both new and remanufactured rotating electrical parts tell us more than half of their warranty returns have "no fault found" when the parts are examined. Many of these returns are from DIYers who lack diagnostic know-how, but some are from professional technicians who apparently lack the same skills.
Tech Tip: Servicing Honda Knock Sensors
If the check engine light is on in a customer’s 1998 Honda Accord EX, with trouble code P0325, it could be caused by the knock sensor, the connection, wire harness or the Engine Control Module (ECM). Replace the knock sensor and the trouble code resets.
Starting/Charging System Diagnosis: Fixing Faults the First Time Eliminates Comebacks & Returns
How many starters and alternators are replaced unnecessarily every year because of misdiagnosis? Nobody knows for sure, but suppliers of both new and remanufactured rotating electrical parts tell us more than half of their warranty returns have “no fault found” when the parts are examined. Many of these returns are from DIYers who lack diagnostic
There’s No Escaping Hybrid Service
high as 40 mph (64 kph). Plus, when conditions are right, the engine may shut off at stops and not restart until after 25 mph. As a result, the advertised fuel economy of a full hybrid vehicle is typically much higher for the city driving conditions than the highway driving conditions. In theory, assuming the
AIM Introduces New Website
AIM, maker of new and remanufactured rotating electrical products for both import and domestic vehicles, has introduced its new website. The website supports the company’s new "AIM Power In Motion" branding and marketing initiative announced earlier this year.
Solutions to Repair a Wiring Repair Nightmare
KNOWN PROBLEM AND SOLUTION A 2002 Chevy Impala has the ABS malfunction light on and wheel speed sensor code, C0040 – Right Front Wheel Speed Circuit Malfunction, is in the scan tool. There is no apparent damage to the harness or connectors. TSB #03-05-25-008 states that the connector for the sensor and its harness wiring
Tech Feature: Engine Diagnostics…What to do When an Engine Won’t Start
In today’s world of high-tech electronics, onboard diagnostics and scan tools, you would think engine diagnostics would be easier than ever. Yet some technicians struggle when confronted with an engine that cranks but refuses to start. Most no-starts do not generate any fault codes, so how do you proceed to find out what’s causing the
Diagnostic Dilemmas: Got a Light?
Every diagnostic technician experiences operational complaints that are more bizarre than they are technically complex. The problem is made difficult when the technician fails to stand back from the problem and look at what I call, “The Big Picture.” As you will see in the following case study, The Big Picture is a collection of
Tech Tip: Understanding Electrical Basics Can Save Technicians Time and Money
Sophisticated automotive electrical systems can cause increasing amounts of dead batteries, intermittent warning lights and general electrical complaints. When addressing these issues, staying focused on the basics can save you time, money and nerves.
Honda Tech Tip: Diagnosing a Faulty Knock Sensor
If the check engine light is lit on a customer’s 1998 Honda Accord EX, with trouble code P0325, it could be caused by the knock sensor, the connection, wire harness or the Engine Control Module (ECM). Replace the knock sensor and the trouble code resets.