Toyota Venza Quiz
Mf1a Transfer / 4wd / Awd

Cancellation of 4WD Control (C1299/99)

In this manual: Mf1a Transfer / 4wd / Awd
Introduction — 15Maintenance — 8Audio / Video — 102Garage Door Opener — 8Navigation / Multi Info Display — 81Park Assist / Monitoring — 50Brake (front) — 7Brake (rear) — 7Brake Control / Dynamic Control Systems — 79Brake System (other) — 28Parking Brake — 22Axle And Differential — 44Drive Shaft / Propeller Shaft — 24Mf1a Transfer / 4wd / Awd — 46U660e Automatic Transmission / Transaxle — 1241ar-fe Cooling — 311ar-fe Emission Control — 101ar-fe Engine Control — 1331ar-fe Engine Mechanical — 441ar-fe Fuel — 311ar-fe Intake / Exhaust — 211ar-fe Lubrication — 111ar-fe Starting — 16Cruise Control — 241ar-fe Battery / Charging — 162gr-fe Battery / Charging — 17Networking — 67Power Distribution — 8Power Assist Systems — 34Steering Column — 37Steering Gear / Linkage — 29Alignment / Handling Diagnosis — 4Front Suspension — 39Rear Suspension — 35Tire / Wheel — 4Tire Pressure Monitoring — 35Door / Hatch — 83Exterior Panels / Trim — 56Horn — 4Lighting (ext) — 89Mirror (ext) — 36Sliding Roof / Convertible — 26Window / Glass — 87Wiper / Washer — 30Door Lock — 85Heating / Air Conditioning — 82Interior Panels / Trim — 20Lighting (int) — 37Meter / Gauge / Display — 41Mirror (int) — 9Power Outlets (int) — 10Seat — 84Seat Belt — 43Supplemental Restraint Systems — 131Theft Deterrent / Keyless Entry — 155
~1min read
DESCRIPTION
  • If wheel slip continues, differential control will be disabled when the torque-distribution ratio of the differential clutch exceeds the set value and a malfunction in the output of the wheel speed sensors, etc. occurs.
  • If a difference in diameter between the front and rear wheels is determined, differential control will be disabled.

DTC No.

DTC Detection Condition

Trouble Area

C1299/99
  • When one of the following conditions is met:

    - Condition that controls coupling calorific value is predefined value or more.

    - Vehicle is driven and energy load tire radius difference between front tires and rear tires is more than 3%.
  • Tire size
  • AWD control ECU
CAUTION / NOTICE / HINT

HINT:

Check the condition of each related circuit connector before troubleshooting (See page ).


PROCEDURE

  1. CHECK TIRE CONDITION

(a) Check the size and condition of all 4 tires (See page ).


HINT:

This DTC is output when tire deformation or a difference in tire size is detected.

OK:

The diameter and air pressure of all 4 tires are the same.


NG

REPLACE TIRE SO THAT ALL 4 TIRES ARE THE SAME IN SIZE
OK

  1. RECONFIRM DTC

(a) Clear the DTC (See page ).


(b) Start the engine.

(c) Drive the vehicle at the speed of 20 km/h or more and check that the same DTC is output (See page ).


Result

Proceed to

DTC is output

A

DTC is not output

B

A

REPLACE AWD CONTROL ECU

B

CHECK INTERMITTENT PROBLEMS

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A quick Toyota Venza quiz: every answer comes with an explanation and a link to the manual page.