Diagnostic Procedure

WARNING: This page is about a different car, the 2003 Toyota Prius, 2002 Toyota Prius, and 2001 Toyota Prius. However, it is still accessible from the selected car via links, so may be relevant.

For testing procedures, see Fig 1-Fig 3 .

Fig 1: DTC C0278/ 11 & C0279/ 12 Testing Procedures (1 Of 3)

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Fig 2: DTC C0278/ 11 & C0279/ 12 Testing Procedures (2 Of 3)

Fig 3: DTC C0278/ 11 & C0279/ 12 Testing Procedures (3 Of 3)