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:

Replacement
REPLACEMENT PROCEDURE 1. REPLACE RING PIN NOTICE: It is not necessary to remove the ring pin unless it is being replaced. (a) Remove the 12 ring pins. (b) Using a plastic-faced hammer, install 12 new ring pins. Standard Protrusion Height: ...

Removal
REMOVAL PROCEDURE 1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL NOTICE: When disconnecting the cable, some systems need to be initialized after the cable is reconnected (See page ). 2. REMOVE RADIATOR ASSEMBLY HINT: See page 3. REMOVE V-RIBBE ...

Fuel Pump Control Circuit
DESCRIPTION 1. w/o Smart Key System When the engine is cranked, the starter relay drive signal output from the ignition switch is input into the STA terminal of the ECM, and the NE signal generated by the crankshaft position sensor is also input into the ...