Toyota Venza manuals

Toyota Venza: Diagnosis System

DIAGNOSIS SYSTEM

1. DESCRIPTION

(a) The certification ECU (smart key ECU assembly) and ECM control the vehicle engine immobiliser system functions. Engine immobiliser system data and Diagnostic Trouble Codes (DTCs) can be read through the vehicle Data Link Connector 3 (DLC3).

In some cases, a malfunction may be occurring in the engine immobiliser system even though the security indicator light is not illuminated.

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 ENGINE SWITCH (a) Disconnect the D13 engine switch connector. (b) Measure the resistance according to the value(s) in the table below. HINT: Measure the values on the ...

Dtc Check / Clear
DTC CHECK / CLEAR 1. CHECK FOR CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) DTC (a) Connect the Techstream to the DLC3. (b) Turn the engine switch on (IG). (c) Turn the Techstream on. (d) Enter the ...

Other materials about Toyota Venza:

Ignition Coil "A" Primary / Secondary Circuit (P0351-P0354)
DESCRIPTION HINT: These DTCs indicate malfunctions relating to the primary circuit. If DTC P0351 is output, check the No. 1 ignition coil circuit. If DTC P0352 is output, check the No. 2 ignition coil circuit. If DTC P0353 is output, c ...

Removal
REMOVAL PROCEDURE 1. REMOVE NO. 1 SLIDING ROOF GLASS SUB-ASSEMBLY (a) Fully open the No. 2 sliding roof glass sub-assembly. (b) Using a T20 "TORX" socket wrench, remove the 6 screws and No. 1 sliding roof glass sub-assembly. ...

Removal
REMOVAL CAUTION / NOTICE / HINT CAUTION: Some of these service operations affect the SRS airbag system. Read the precautionary notices concerning the SRS airbag system before servicing (See page ). NOTICE: Be sure to read "Precaution" thorou ...

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