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:

Components
COMPONENTS ILLUSTRATION ILLUSTRATION ILLUSTRATION ILLUSTRATION ILLUSTRATION ...

Headlight Relay Circuit
DESCRIPTION The main body ECU (driver side junction block assembly) controls the headlight relays. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Inspect the fuses for circuits related to this system before performing the following inspection proc ...

Initialization
INITIALIZATION 1. RESET BACK DOOR CLOSE POSITION (w/ POWER BACK DOOR SYSTEM) NOTICE: Perform initialization of the power back door system (power back door ECU initialization) if one of the following is performed: The cable is disconnected from the ...