Engine Certification Irregularities at Toyota Industries
London, 30 January 2024, (Oilandgaspress): –Toyota Industries Corporation (TICO) reported to Toyota Motor Corporation (Toyota), which had commissioned TICO to develop diesel engines for automobiles, that it received a report from the special investigation committee (chaired by Mr. Hiroshi Inoue) that was commissioned to investigate potential irregularities of certification regulations related to inappropriate domestic emissions certification of engines for forklifts and construction machinery.
The investigation found that irregularities occurred during the horsepower output testing for the certification of three diesel engine models for automobiles that Toyota had commissioned to TICO. During certification testing, the horsepower output performance of engines was measured using ECUs with software that differed from that used for mass production so that results could measure to make values appear smoother with less variation. Ten vehicle models are using the affected engines globally, including six in Japan.
We have re-verified the mass-produced products manufactured at the plant and confirmed that the affected engines and vehicles meet engine performance output standards. Therefore, there is no need to stop using the affected engines or vehicles. However, we deeply apologize to our customers who have been supporting affected vehicles and waiting for a long time, and also to all other stakeholders for the significant inconvenience and concern that this has caused.
Based on the results of the investigation, TICO decided today to temporarily suspend shipments of the affected engines. Toyota has also decided to temporarily suspend shipments of vehicles equipped with the affected engines. Going forward, we will provide detailed explanations to the authorities and promptly proceed with appropriate measures, including conducting testing in the presence of witnesses if appropriate.
Certification consists of having the national authorities inspect and confirm in advance that vehicles meet various standards so that customers can drive their vehicles with peace of mind. We consider the appropriate process of certification to be a major prerequisite for doing business as an automobile manufacturer. We recognize the gravity of the fact that the repeated certification irregularities at TICO, following those at Daihatsu, have shaken the very foundations of the company as an automobile manufacturer.
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