Toyota Venza: Diagnosis Circuit

Toyota Venza Service Manual / Lighting (ext) / Lighting System / 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 - 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
A40-15 (PRST) - D1-7 (SIL)	Always	Below 1 Ω
A40-15 (PRST) - Body ground	Always	10 kΩ or higher

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

REPAIR OR REPLACE HARNESS OR CONNECTOR

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 ...

Rear Combination Light Assembly

...

Other materials about Toyota Venza:

Diagnosis System
DIAGNOSIS SYSTEM 1. CHECK DLC3 (a) Check the DLC3 (See page ). 2. FUNCTION OF P/S WARNING LIGHT (a) When a malfunction is detected in the power steering system, the P/S warning light on the accessory meter comes on to inform the driver of the malfunctio ...

Components
COMPONENTS ILLUSTRATION ILLUSTRATION ILLUSTRATION ILLUSTRATION ILLUSTRATION ILLUSTRATION ILLUSTRATION ILLUSTRATION ILLUSTRATION ILLUSTRATION ILLUSTRATION ILLUSTRATION ...

Removal
REMOVAL PROCEDURE 1. REMOVE REAR BUMPER PLATE LH (a) Using a screwdriver with the tip wrapped with protective tape, disengage the 2 claws and remove the rear bumper plate LH. Text in Illustration *1 Pro ...