Toyota Venza manuals

Toyota Venza: Precaution

PRECAUTION

NOTICE:

When disconnecting the cable from the negative (-) battery terminal, initialize the following systems after the cable is reconnected.

System Name

See Procedure

Back Door Closer System


Power Back Door System

1. EXPRESSION OF IGNITION SWITCH

(a) The type of ignition switch used on this model differs according to the specifications of the vehicle.

The expressions listed in the table below are used in this section.

Switch Type

Ignition Switch (Position)

Engine Switch (Condition)

Expression

Ignition switch off

LOCK

Off

Ignition switch ON

ON

On (IG)

Ignition switch ACC

ACC

On (ACC)

Engine Start

START

Start

2. PRECAUTION FOR HID HEADLIGHT SYSTEM

(a) When the light control switch is in the head position, a high voltage (approximately 30000 V) is applied momentarily to the bulb socket. Never touch the high voltage socket of a High Intensity Discharge (HID) headlight as this may result in a serious accident because of the high voltage.

(b) Never connect a tester to the high voltage socket of a High Intensity Discharge (HID) headlight for measurement as this may result in a serious accident because of the high voltage.

(c) Take care to avoid being burned by the light control ECU, as it may be hot when the light control switch is in the head position or right after the switch is turned off.

(d) When servicing an HID headlight, perform it under the following conditions:

(1) At a place where an HID headlight does not come in contact with water such as rain to avoid electric shock.

(2) The light control switch is off.

(3) The light control ECU temperature is sufficiently low.

(4) The cable is disconnected from the negative (-) battery terminal and the headlight assembly connector is disconnected to block power supply to the light control ECU.

(e) When servicing an HID headlight, only turn on the HID headlights after assembly is complete. Never turn on the HID headlights without a bulb installed.

(f) Do not turn on the HID headlights using a power source other than the vehicle battery.

(g) When the HID headlight (especially the light control ECU) has any of the following damage, replace it with a new one.

(1) Deformation (distortion, cracks, dents, etc.) of the light control ECU

(2) Cracks on the resin part of the connector or high voltage socket, or deformation of terminals

(3) Loose connection to ground on the reflector side due to deformation of the socket cover

(4) Damage on the output wire harness

HINT:

When the HID headlights are malfunctioning, the headlights are turned off by the fail-safe function even when their operation temporarily returns to normal.

(h) If an HID headlight bulb turns off even if it illuminates temporarily, or it flickers, switch it with the opposite side for confirmation or perform troubleshooting for the HID headlight bulb (See page ).


(i) The light color emitted by the HID headlight bulb varies according to the age of the bulb.

3. PRECAUTION FOR HEADLIGHT BULB REPLACEMENT

(a) If even a thin film of oil is left on the surface of an HID headlight bulb or a halogen bulb, its service life will be shortened because the light will burn at a higher temperature. When replacing a bulb, be sure to hold the flanged part of the light so that your hand does not contact the glass part of the bulb.

(b) Due to the high internal pressure of HID headlight bulbs, they may explode and shatter if dropped, hit or damaged.

(c) Always prepare a new bulb for immediate replacement. While replacing the bulb, the lens may attract dust and moisture if removed from the vehicle for a long time.

(d) Always replace a bulb with another bulb of the same wattage.

(e) If only replacing the bulb on one side, differences in brightness and lighting color between the right and left sides may occur.

(f) Securely install the socket after bulb replacement. The lens may become cloudy or the light cavity may be filled with water through gaps around the socket if it is not installed securely.

(g) Do not break the HID headlight bulb when disposing of it as shards of glass may fly off and cause injuries.

(h) It is not possible to determine if an HID headlight bulb is defective by checking it visually. Check the bulb by replacing it with a known good one.

4. PRECAUTION FOR AUTOMATIC HIGH BEAM SYSTEM

(a) General Description

The automatic high beam system is a system that helps ensure visibility by automatically turn the high beams on and off. In addition, due to control limitations of the automatic high beam system, it may be necessary to manually turn high beams on and off. For safety reasons, make sure to switch the high beams and low beams manually according to the driving conditions.

(b) Conditions Unsuitable for Using Automatic High Beam System

Under the following conditions, the automatic high beam system might not detect other vehicles or lights correctly, or the high beams might cause glare or flash pedestrians or the occupants of other vehicles. Manual operation should be considered.

Factor

Condition

Weather/Climate

When driving in bad weather (rain, snow, fog, sandstorms, etc.).

Front windshield

  • When the front windshield is not clear (ice, snow or frost on the glass).
  • When the front windshield is dirty (sand, mud, water stain or bugs on the glass).
  • When the front windshield is cracked.
  • When the front windshield is fogged-up.
  • When the front windshield has a film attached.
  • When an object on the instrument panel reflects off of the front glass.
  • When any other abnormal conditions exist with the front glass.

Inner rear view mirror assembly

  • When a parking tag, magnifying lens or other accessory is mounted on the inner rear view mirror assembly.
  • When the inner rear view mirror assembly or its built-in camera is deformed.
  • When the camera sensor in the inner rear view mirror assembly is dirty.
  • When any other abnormal conditions exist with the inner rear view mirror assembly or its built-in camera sensor.

Nearby vehicles or lights

  • When lights similar to headlights or taillights are in the vicinity of the vehicle.
  • When a nearby vehicle has no lights or its lights are off.
  • When a vehicle in front has misaligned lights, or its lights are changing color.
  • When a vehicle in front has extremely dirty headlights or taillights.

Road conditions

  • When driving in areas where the conditions often change between bright and dark.
  • When driving on hilly roads.
  • When driving on winding roads or around sharp curves.
  • When driving on bumpy roads (cobblestone paving, gravel road, rough unpaved road, etc.).
  • When highly reflective objects are in front of the vehicle (mirrors, road signs, etc.).

Own vehicle

  • When the headlights are damaged, deformed or dirty.
  • When the vehicle posture is abnormal (posture has changed due to the vehicle being fully loaded, a trailer being towed, road conditions etc.).
  • When the vehicle has other malfunctions or it has been modified.

Automatic high beam system

Malfunction

When the indicator on the combination meter assembly is off or is blinking.

Others

  • When the auto high beam system does not seem to be turning the high beams on and off property.
  • When the auto high beam system is frequently turning the high beams on and off.
  • When the glare from the high beams would disturb pedestrians or the drivers of other vehicles.

(c) Windshield Replacement Precautions

The timing of the change between high beams and low beams differs depending on the light transmission rate of the glass. For this reason, when replacing the windshield, replace it with an original equipment part.

(d) Inner Rear View Mirror Assembly Handling Precautions

Failure to observe the following precautions may result in a malfunction:

  • Do not touch the lens of the camera (built into the inner rear view mirror assembly) with bare hands.
  • Do not allow anything to adhere to the camera lens (built into the inner rear view mirror assembly).
  • Do not apply strong impacts to the inner rear view mirror assembly.
  • Do not allow any liquids to contact the inner rear view mirror assembly.
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