Japanese automaker Toyota Motor Corporation has suspended global shipments of 10 diesel-powered vehicles after an investigation found irregularities in performance testing. The carmaker's Indian subsidiary, Toyota Kirloskar Motor, has temporarily suspended deliveries of the Innova Crysta, Fortuner and Hilux.

The investigation found that there were irregularities in the performance testing for the certification of three automobile diesel engine models that Toyota commissioned from Toyota Industries Corporation (TICO).

During the certification tests, the horsepower of engines was measured using control devices whose software is different from that used for mass production, so that the results could be measured so that the values ​​appear more consistent and with less fluctuations, the company said in a statement automobile manufacturer.

“We have re-inspected the mass-produced products produced at the factory and confirmed that the affected engines and vehicles meet engine performance standards. Therefore, there is no need to stop the use of the affected engines or vehicles,” it said.

Based on the results of the investigation, TICO has decided 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 take immediate appropriate measures, including, if necessary, conducting tests in the presence of witnesses,” the automaker says.

Certification consists of national authorities pre-checking and confirming that vehicles meet various standards so that customers can drive their vehicles with peace of mind. “We consider the appropriate certification process to be an essential prerequisite for an automobile manufacturer’s business operations. We are aware of the seriousness of the fact that the repeated certification irregularities at TICO after those at Daihatsu have shaken the foundations of the company, an automobile manufacturer,” the statement said.

TICO has informed Toyota that they will first provide detailed explanations of these findings to authorities and will take action under their leadership in the hope of regaining the trust of customers and other stakeholders as a manufacturer worthy of certification. “In addition, the restructuring of the company in question requires a change in the mindset of everyone, from management to employees, as well as a radical reform of the corporate culture. Such tasks cannot be completed overnight. As responsible for the transfer of the…” “Toyota will continue to support the revival of TICO’s diesel engine business,” the statement said.

“As commissioners of these tests, we regret that we were not sufficiently attentive and aware of the fact that the procedures were not carried out in accordance with laws and regulations. We will be involved in all company-wide activities going forward to help rebuild TICO and review the situation to thoroughly ensure that safety and quality are top priorities,” the company says.