Toyota Yaris: Active Torque Split Awd System / Problem Symptoms Table

Toyota Yaris XP210 (2020-2025) Reapir and Service Manual / Drivetrain / Gf1a (transfer / 4wd / Awd) / Active Torque Split Awd System / Problem Symptoms Table

PROBLEM SYMPTOMS TABLE

HINT:

Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
Inspect the fuses and relays related to this system before inspecting the suspected areas below.

Symptom	Suspected Area	Link
Tight-corner braking phenomenon*	Steering sensor
	Brake control system
	AWD ECU assembly
	Transmission coupling assembly
AWD warning message remains displayed	AWD warning light circuit
AWD warning message is not displayed	AWD warning light circuit
AWD control switch (No. 2 combination switch assembly) does not operate	AWD control switch (No. 2 combination switch assembly) circuit

HINT:

*: Tight corner braking phenomenon: a phenomenon in which a AWD vehicle may lurch and decelerate due to a rotational speed difference between the front and rear wheels, such as during low-speed cornering in AWD mode.

Calibration

CALIBRATION NOTICE: When the AWD ECU assembly is replaced, before removing the AWD ECU assembly, it is necessary to perform ECU Data Save to save the original AWD ECU assembly information...

Dtc Check / Clear

DTC CHECK / CLEAR DTC CHECK (a) Check for DTC(s). Chassis > Four Wheel Drive > Trouble Codes (b) Check the details of the DTCs. NOTICE: Make sure to clear the DTCs after repair...

Other information:

Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: Precaution

PRECAUTION DO NOT HANDLE REFRIGERANT IN AN ENCLOSED AREA OR NEAR AN OPEN FLAME *a Charging Cylinder ALWAYS WEAR EYE PROTECTION BE CAREFUL NOT TO GET LIQUID REFRIGERANT IN YOUR EYES OR ON YOUR SKIN If liquid refrigerant gets in your eyes or on your skin...

Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: Mass or Volume Air Flow Sensor "A" Circuit Short to Battery (P010012,P010014)

DESCRIPTION The mass air flow meter sub-assembly is a sensor that measures the intake air volume using the following built-in components: By-pass passage (allows some of the intake air to flow past a silicon chip sensor) Silicon chip sensor (uses a heater control bridge circuit and temperature sensor bridge circuit to detect the difference in the temperature of the intake air that passes the sensors positioned before and after the heater)...