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:
Reassembly
REASSEMBLY
CAUTION / NOTICE / HINT
NOTICE:
Before installation, apply high temperature grease to the parts indicated by
arrows (See page ).
PROCEDURE
1. INSTALL NO. 2 PARKING BRAKE SHOE HOLD DOWN SPRING PIN (for 2WD)
(a) Install the No. 2 p ...
Lost Communication with Clearance Warning ECU (U1110)
DESCRIPTION
DTC Code
DTC Detection Condition
Trouble Area
U1110
No communication from the clearance warning ECU assembly continues.
Clearance warning ECU assembly branch wire o ...
Navigation Receiver Assembly Communication Stop Mode
DESCRIPTION
Detection Item
Symptom
Trouble Area
Navigation Receiver Assembly Communication Stop Mode
"Display and Navigation (AVN1)" is not displayed on the "CAN
Bus ...
0.1429