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:

Adjustment
ADJUSTMENT CAUTION / NOTICE / HINT CAUTION: Before adjusting the door positions of vehicles equipped with side and curtain shield airbags, be sure to disconnect the battery. After adjustment, check that the SRS warning light is operating normally and ...

Inspection
INSPECTION PROCEDURE 1. INSPECT TRANSMISSION OIL CLEANER MAGNET (a) Use the removed transmission oil cleaner magnets to collect any steel chips. Examine the chips and particles in the automatic transaxle oil pan sub-assembly and on the tr ...

Reassembly
REASSEMBLY PROCEDURE 1. INSTALL FRONT SIDE MARKER LIGHT BULB (a) Install the front side marker light bulb to the front side marker light socket. (b) Turn the front side marker light socket with the front side marker light bulb in the directi ...