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:
Disassembly
DISASSEMBLY
PROCEDURE
1. REMOVE FRONT DRIVE SHAFT HOLE SNAP RING (for LH Side)
(a) Using a screwdriver, remove the front drive shaft hole snap ring.
2. REMOVE NO. 2 FRONT AXLE INBOARD JOINT BOOT CLA ...
Disassembly
DISASSEMBLY
PROCEDURE
1. REMOVE GENERATOR REAR END COVER
(a) Remove the 3 nuts and generator rear end cover.
2. REMOVE TERMINAL INSULATOR
(a) Remove the terminal insulator from the gener ...
Terminals Of Ecu
TERMINALS OF ECU
1. CHECK MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK ASSEMBLY)
(a) Disconnect the main body ECU (driver side junction block assembly) connectors.
(b) Measure the resistance and voltage according to the value(s) in the table
below.
...
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