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:

Rear Occupant Classification Sensor LH Circuit Malfunction (B1782)
DESCRIPTION The rear occupant classification sensor LH circuit consists of the occupant classification ECU and rear occupant classification sensor LH. DTC B1782 is recorded when a malfunction is detected in the rear occupant classification sensor LH circ ...

Driver Side Power Window does not Operate with Power Window Master Switch
DESCRIPTION When the engine is running or the ignition switch is ON, the power window regulator motor assembly (for driver side) is operated by the power window regulator master switch assembly. The power window regulator motor assembly (for driver side) ...

Disassembly
DISASSEMBLY PROCEDURE 1. REMOVE NO. 2 HEADLIGHT BULB (for Halogen Headlight) (a) Turn the No. 2 headlight bulb in the direction indicated by the arrow shown in the illustration, and remove it. NOTICE: Do not touch the bulb glass. ...