It will recall 1.53 million vehicles - 600,000 from Japanese factories and 740,000 in the US - for a brake fluid leak that cuts across a swath of Lexus and Toyota models.
Toyota in Japan claims 30,000 affected Australian cars but the Australian office suggests a lesser amount.
The problem is not yet classed as a recall in Australia, though spokesperson Laura Hill says that may change after investigating the issue.
“We are still considering our action,” she says. “We’re not in a position now to make that decision - that will be done tomorrow.’’
Toyota Australia has been aware for two days of the slow leak of brake fluid in some Lexus and Toyota models but was believed to be awaiting an investigation in Japan.
Cars affected include some Lexus IS and GS models and possibly the Toyota Aurion and some SUVs. The production dates of these vehicles are not known.
In a statement from Japan, the company says: “In some cases, a small amount of brake fluid can leak from the brake master cylinder and as a result, braking performance may gradually decline.’’
The potential recall in Australia comes only months after Toyota recalled 116,000 Hilux models to repair tail shaft mountings, and the gobal recall of 8 million models with alleged accelerator pedal jamming.
In July, 1120 Lexus models were recalled in Australia for faulty valve springs in the engine.