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 .gif)
).
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:
Microphone Circuit between Microphone and Navigation Receiver Assembly
DESCRIPTION
The navigation receiver assembly and inner rear view mirror assembly
(amplifier microphone assembly) are connected to each other using the microphone
connection detection signal lines.
Using this circuit, the navigation receiver ...
Installation
INSTALLATION
PROCEDURE
1. INSTALL INSTRUMENT PANEL WIRE ASSEMBLY
(a) Connect the vent hole connector of the instrument panel wire to the
front passenger airbag assembly.
Text in Illustration
*1
Vent Hol ...
Disassembly
DISASSEMBLY
PROCEDURE
1. REMOVE TRANSMISSION WIRE
2. REMOVE ATF TEMPERATURE SENSOR ASSEMBLY
(a) Remove the 4 bolts, ATF temperature sensor assembly and clamp from
the valve body assembly.
Text in Illustration
*1
...
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