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 ...

Other materials about Toyota Venza:

Throttle / Pedal Position Sensor / Switch "D" Circuit Range / Performance (P2121)
DESCRIPTION Refer to DTC P2120 (See page ). HINT: This DTC relates to the accelerator pedal sensor assembly. DTC No. DTC Detection Condition Trouble Area P2121 Either of following conditions 1 o ...

ABS Control System Malfunction (43)
DESCRIPTION This DTC is output when the VSC system detects a malfunction in the ABS control system. DTC Code DTC Detection Condition Trouble Area 43 Malfunction in the ABS control system. ...

Outside Vehicle
General Maintenance GENERAL MAINTENANCE CAUTION / NOTICE / HINT These are maintenance and inspection items that are considered to be the owner's responsibility. The owner can do them or they can have them done at a service center. The ...

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