Toyota Venza: Problem Symptoms Table

Toyota Venza Service Manual / Mf1a Transfer / 4wd / Awd / Active Torque Control 4wd 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.

Active Torque Control 4WD System

Symptom	Suspected Area	See page
Tight-corner braking phenomenon *	Electromagnetic solenoid circuit
Tight-corner braking phenomenon *	AWD control ECU
AWD warning light remains on	AWD warning light circuit
AWD warning light does not come on	AWD warning light circuit
The system is in DTC output mode although terminals TC and CG of the DLC3 are not connected	TC and CG terminal circuit
The system is not in DTC output mode although terminals TC and CG of the DLC3 are connected	TC and CG terminal circuit
	AWD warning light 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.

How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT HINT: Use the following procedure listed to troubleshoot the Active Torque Control 4WD system. *: Use the Techstream. PROCEDURE 1. ...

Test Mode Procedure

TEST MODE PROCEDURE 1. DESCRIPTION HINT: When using a chassis dynamometer, brake tester, etc. to perform a vehicle test, activate test mode to avoid a "different tire diameter installed" ...

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Diagnosis System
DIAGNOSIS SYSTEM 1. DESCRIPTION Active torque control 4WD system data can be read in the Data Link Connector 3 (DLC3) of the vehicle. When the system seems to be malfunctioning, use the Techstream to check for malfunctions and perform repairs. Therefore ...

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