Toyota Venza manuals

Toyota Venza: Diagnosis System

DIAGNOSIS SYSTEM

1. DESCRIPTION

The main body ECU (driver side junction block assembly) and certification ECU (smart key ECU assembly) control the LIN communication system. LIN communication system data and Diagnostic Trouble Codes (DTCs) can be read through the Data Link Connector 3 (DLC3).

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

(a) Measure the 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 2C main body ECU (driver side junction block) connectors. (b) Disconnect the 2F main body ECU ...

Dtc Check / Clear
DTC CHECK / CLEAR 1. CHECK DTC (a) Connect the Techstream to the DLC3. (b) Turn the ignition switch to ON. (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / Smart Key. ...

Other materials about Toyota Venza:

Reassembly
REASSEMBLY PROCEDURE 1. INSTALL SHIFT SOLENOID VALVE SL4 (a) Coat the shift solenoid valve SL4 and bolt with ATF. Text in Illustration *1 Lock Plate *2 Solenoid V ...

Inspection
INSPECTION PROCEDURE 1. INSPECT FRONT SEATBACK HEATER LH (a) Apply battery voltage and check the seatback heater. OK: Measurement Connection Condition Specified Condition ...

Assist Map Number Un-Writing (C1581)
DESCRIPTION The power steering ECU stores this DTC when it determines that the assist map is not written in the ECU. HINT: The assist map is data written in the power steering ECU to control the degree of assistance. The assist map is selected based on ...

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