Toyota Archives

A Study in Pink: Understanding Toyota’s Pink Super Long Life Coolant (SLLC) and Cooling System Components

by TOYOTAtech | Aug 2022

A study in Toyota’s pink coolant and some of the cooling system components that utilize this coolant including electric coolant pumps, EGR coolers and heat exchangers. In 2004, Toyota transitioned from red Long-Life Coolant (LLC) to the improved pink Super Long-Life...

The Toyota Park-By-Wire System Explained: A Walk Through the Park

by TOYOTAtech | Jul 2022

Toyota created a “shift”-by-wire system and a park-by-wire system for their hybrid vehicles. We’ll explore how the park by wire system works. When you park your car on a hill, you’d like it to still be there when you get back. A runaway car is very bad. The car can be...

Diagnosing Prius Hybrid Battery Pack: Sometimes They Come Back…

by TOYOTAtech | May 2022

It’s possible to do everything right and still find the Prius you just fixed waiting for you on a flatbed Monday morning. Battery Testing A blue 2008 Prius was waiting for Jim when he returned from lunch. (Actually, it was Seaside Pearl Metallic color code 8S2, but...

Understanding the Toyota Hybrid Braking System

by TOYOTAtech | Apr 2022

Not all Toyota hybrid brake systems are the same. In this article, we’ll be exploring the braking system on the 2004–2009 Toyota Prius. I remember when the first 2001 Prius rolled into our shop for a 5K service. I couldn’t wait to remove the wheels and look at the...

The Toyota Corolla: A 55-Year Retrospective

by TOYOTAtech | Feb 2022

After 55 years the Corolla has not only survived, but thrived. Join us as we take a look at the history, common issues and technology of the world’s best selling car. Despite all the difficulties and unknowns of 2021, it was a good year for Toyota; in fact, it was a...

Putting Cranky Toyota Hybrids to Bed

by TOYOTAtech | Jan 2022

Crank-no-start with a hybrid is a little different, but they're actually easier to diagnose than conventional cars. When you grab your repair order and read, “Vehicle towed in. Engine cranks but won’t start,” you’re probably pretty happy. And why not? It’s likely to...

The Sad Saga of the 2007 Lexus ES350 and a P0051 AF Sensor Heater Circuit Code

by TOYOTAtech | Dec 2021

Some months ago, I was called to a shop to assist in the diagnosis of a 2007 Lexus ES350 (Figure 1) with a code P0051, “A/F Sensor Heater Control Circuit Low (B2S1)” (Figure 2). We’ll call this shop “Shop B.” Another shop, let’s call them “Shop A,” had installed a...

15-Minute Toyota Diagnostics

by TOYOTAtech | Dec 2021

This article will show how diagnostic clues can be linked together to create a complete vehicle picture, which will save time and make for quick diagnosis.

Toyota

A Study in Pink: Understanding Toyota’s Pink Super Long Life Coolant (SLLC) and Cooling System Components

The Toyota Park-By-Wire System Explained: A Walk Through the Park

Diagnosing Prius Hybrid Battery Pack: Sometimes They Come Back…

Understanding the Toyota Hybrid Braking System

The Toyota Corolla: A 55-Year Retrospective

Putting Cranky Toyota Hybrids to Bed

The Sad Saga of the 2007 Lexus ES350 and a P0051 AF Sensor Heater Circuit Code

15-Minute Toyota Diagnostics

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