Toyota Venza manuals

Toyota Venza: Diagnosis System

DIAGNOSIS SYSTEM

1. DESCRIPTION

(a) The transponder key ECU assembly controls the vehicle's immobiliser system functions. Immobiliser system data and Diagnostic Trouble Code (DTC) can be read through the vehicle's Data Link Connector 3 (DLC3).

In some cases, a malfunction may be occurring in the 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.

Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT: Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are lis ...

Terminals Of Ecu
TERMINALS OF ECU 1. CHECK TRANSPONDER KEY AMPLIFIER (a) Disconnect the D21 transponder key amplifier connector. (b) Measure the resistance according to the value(s) in the table below. HINT: Me ...

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Components
COMPONENTS ILLUSTRATION ILLUSTRATION ILLUSTRATION ILLUSTRATION ILLUSTRATION ILLUSTRATION ...

Precaution
PRECAUTION 1. PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE BATTERY TERMINAL NOTICE: When disconnecting the cable from the negative (-) battery terminal, initialize the following system(s) after the cable is reconnected. System Name ...

Reassembly
REASSEMBLY PROCEDURE 1. INSTALL FRONT OIL PUMP OIL SEAL (a) Using SST and a hammer, install a new oil seal to the oil pump body. SST: 09350-32014 09351-32140 Oil seal driven in depth: -0.25 to 0.25 mm (-0.00984 to 0.00984 in.) ...

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