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:

Transmission Fluid Temperature Sensor "A" Circuit Low Input (P0712,P0713)
DESCRIPTION The Automatic Transmission Fluid (ATF) temperature sensor converts the fluid temperature into a resistance value for use by the TCM. The TCM applies a voltage to the temperature sensor through terminal THO1 of the TCM. The sensor resistanc ...

Sensor (Motor) Failure (B2341,B2344)
DESCRIPTION When the sliding roof ECU (sliding roof drive gear sub-assembly) detects a motor malfunction and the sliding roof operation is stopped, DTC B2341 is output. When the sliding roof ECU (sliding roof drive gear sub-assembly) detects a gear malfu ...

System Description
SYSTEM DESCRIPTION 1. LIN COMMUNICATION SYSTEM DESCRIPTION The LIN communication system is used for communication between the components in the table below. If communication cannot be performed through LIN communication because of an open in the communic ...