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. DESCRIPTION Active torque control 4WD system data can be read in the Data Link Connector 3 (DLC3) of the vehicle. When the system seems to be malfunctioning, use the Techstream to check for malfunctions and perform repairs. Therefore ...

On-vehicle Inspection
ON-VEHICLE INSPECTION PROCEDURE 1. CHECK RADIATOR CAP SUB-ASSEMBLY (a) Measure the valve opening pressure. (1) If there are water stains or foreign matter on rubber packings 1, 2 or 3, clean the part(s) with water and finger scouring. (2) Check that r ...

Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART Audio and Visual System DTC Code Detection Item See page B1532 LVDS Signal Malfunction (from Extension Module) B1551 HD Radio ...