Toyota Venza: Diagnosis System

Toyota Venza Service Manual / Lighting (int) / Lighting System / Diagnosis System

DIAGNOSIS SYSTEM

1. DESCRIPTION

(a) Lighting system data can be read from 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.

2. CHECK DLC3

(a) Check the DLC3 (See page ).

3. INSPECT BATTERY VOLTAGE

Standard Voltage:

11 to 14 V

If the voltage is below 11 V, recharge or replace the battery.

Terminals Of Ecu

TERMINALS OF ECU 1. CHECK MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK ASSEMBLY) (a) Disconnect the 2A and 2F main body ECU (driver side junction block assembly) connectors. (b) Measure the voltag ...

Data List / Active Test

DATA LIST / ACTIVE TEST 1. DATA LIST HINT: Using the Techstream to read the Data List allows the values or states of switches, sensors, actuator and other items to be read without removing any pa ...

Other materials about Toyota Venza:

Removal
REMOVAL CAUTION / NOTICE / HINT HINT: Use the same procedure for the LH side and RH side. The following procedure is for the LH side. If the sensor rotor needs to be replaced, replace it together with the front drive shaft assembly. ...

Tachometer Malfunction
DESCRIPTION In this circuit, the meter CPU receives engine speed signals from the ECM using the CAN communication system (CAN No. 1 Bus). The meter CPU displays the engine speed calculated based on the data received from the ECM. WIRING DIAGRAM PROCED ...

Headlight Signal Circuit
DESCRIPTION The headlight leveling ECU assembly detects the low beam headlights status. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: First check that the low beam headlights operate normally. PROCEDURE 1. CHECK HARNESS AND CON ...