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No. 3 Test, Code 21, 25, 26, 28 (Code 5 On Turbo), O2 System Signal

Fig 1: No. 3 Test, Code 21, 25, 26, 28 (Code 5 on Turbo) Schematic, O2 System Signal
G50I02475Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 2: No. 3 Test, Code 21, 25, 26, 28 (Code 5 on Turbo) Flow Chart, O2 System Signal
G50A02476Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 3: Operation Sensor Check (No. 3 Test)
G50C02477Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002