Code 27 - Sub-Oxygen Sensor Circuit (Left Bank)

NOTE: After repairs are completed, perform TROUBLE CODE DETECTION DRIVING PATTERN TEST at end of testing for this trouble code.

Fig 1: Code 27 Flow Chart (1 Of 2) Sub-Oxygen Sensor Circuit (Left Bank)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 2: Code 27 Flow Chart (2 Of 2) Sub-Oxygen Sensor Circuit (Left Bank)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 3: Code 27 Trouble Code Detection Driving Pattern Test Sub-Oxygen Sensor Circuit (Left Bank)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002