Toyota Venza: LVL Terminal Circuit

Toyota Venza Service Manual / Lighting (ext) / Lighting System / LVL Terminal Circuit

DESCRIPTION

By connecting terminals LVL and CG of the DLC3, the headlight leveling ECU assembly initializes the height control sensor signal.

WIRING DIAGRAM

PROCEDURE

1.	CHECK HARNESS AND CONNECTOR (DLC3 - HEADLIGHT LEVELING ECU ASSEMBLY)

(a) Disconnect the A40 headlight leveling ECU assembly connector.

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

Standard Resistance:

Tester Connection	Condition	Specified Condition
A40-5 (INIT) - D1-8 (LVL)	Always	Below 1 Ω
A40-5 (INIT) - Body ground	Always	10 kΩ or higher

Text in Illustration

Front view of wire harness connector

(to Headlight Leveling ECU Assembly)

DLC3

REPAIR OR REPLACE HARNESS OR CONNECTOR

2.	CHECK HARNESS AND CONNECTOR (DLC3 - BODY GROUND)

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

Standard Resistance:

Tester Connection	Condition	Specified Condition
D1-4 (CG) - Body ground	Always	Below 1 Ω

Text in Illustration

DLC3

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

REPAIR OR REPLACE HARNESS OR CONNECTOR

Inner Rear View Mirror Power Source Circuit

DESCRIPTION This circuit detects the state of the ignition switch, and sends it to the inner rear view mirror assembly. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Inspect the fuses for ci ...

Diagnosis Circuit

DESCRIPTION The headlight leveling ECU assembly outputs DTC information to the Techstream via this circuit. WIRING DIAGRAM PROCEDURE 1. CHECK HARNESS AND CONNECTOR (DLC3 ...

Other materials about Toyota Venza:

Calibration
CALIBRATION 1. SELECT COMPASS DISPLAY MODE (a) The AUTO switch allows selection of the compass display. 2. PERFORM CALIBRATION (a) Because each vehicle has its own magnetic field, calibration should be performed. The calibration function is used to compe ...

Diagnosis System
DIAGNOSIS SYSTEM 1. DESCRIPTION (a) Diagnostic Trouble Codes (DTCs) can be read from the Data Link Connector 3 (DLC3) of the vehicle. When the rear view monitor system seems to be malfunctioning, use the Techstream to check for malfunctions and to perfor ...

Front passenger occupant classification system
Your vehicle is equipped with a front passenger occupant classification system. This system detects the conditions of the front passenger seat and activates or deactivates the devices for front passenger. 1. SRS warning light 2. Front passenger’s sea ...