Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Inspection

INSPECTION

PROCEDURE

1. INSPECT AIR FUEL RATIO SENSOR

(a) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection	Condition	Specified Condition
1 (HA1A) - 2 (+B)	20°C (68°F)	1.6 to 3.2 Ω
1 (HA1A) - 4 (A1A-)	Always	10 kΩ or higher

If the result is not as specified, replace the air fuel ratio sensor.

*a	Component without harness connected (Air Fuel Ratio Sensor)

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Blind Spot Monitor System(for Gasoline Model): Lost Communication with ECM / PCM "A" (U0100,U0125,U0126,U0129,U0142)
DESCRIPTION These DTCs are stored if there is a malfunction in the CAN communication system connected to the blind spot monitor sensor. HINT: If CAN communication system DTCs are stored, they may also be stored for other systems. Blind Spot Monitor Master DTC No. Detection Item DTC Detection Conditi ...

Toyota Avalon (XX50) 2019-2022 Owners Manual