Toyota Venza: Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
HINT:
If a trouble code is stored during the DTC check, inspect the trouble areas listed for that code. For details of the code, refer to the "See page" below.
Certification ECU (Smart Key ECU Assembly)|
DTC Code |
Detection Item |
Trouble Area |
See page |
|---|---|---|---|
|
B27A1 |
Open in Driver Side Electrical Antenna Circuit |
1. Front door outside handle assembly (for driver side) 2. Certification ECU (smart key ECU assembly) 3. Wire harness or connector |
|
|
B27A2 |
Open in Front Passenger Side Electrical Antenna Circuit |
1. Front door outside handle assembly (for front passenger side) 2. Certification ECU (smart key ECU assembly) 3. Wire harness or connector |
|
|
B27A5 |
Open in Front Floor Electrical Key Oscillator Circuit |
1. Indoor electrical key oscillator (for front floor) 2. Certification ECU (smart key ECU assembly) 3. Wire harness or connector |
|
|
B27A6 |
Open in Rear Floor Electrical Key Oscillator Circuit |
1. Indoor electrical key oscillator (for center floor) 2. Certification ECU (smart key ECU assembly) 3. Wire harness or connector |
|
|
B27A7 |
Open in Inside Luggage Compartment Electrical Key Oscillator Circuit |
1. Indoor electrical key oscillator (for rear floor) 2. Certification ECU (smart key ECU assembly) 3. Wire harness or connector |
|
|
B27A8 |
Open in Outside Luggage Compartment Electrical Key Antenna Circuit |
1. Outside electrical key oscillator (for rear side) 2. Certification ECU (smart key ECU assembly) 3. Wire harness or connector |
|
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Data List / Active Test
DATA LIST / ACTIVE TEST
1. DATA LIST
HINT:
Using the Techstream to read the Data List allows the values or states of switches,
sensors, actuators and other items to be read without removing any p ...
Open in Outside Luggage Compartment Electrical Key Antenna Circuit (B27A8)
DESCRIPTION
The certification ECU (smart key ECU assembly) generates a request signal and
sends it to the outside electrical key oscillator (for rear side). To detect the
key near the driver door ...
Other materials about Toyota Venza:
ECU Power Source Circuit
DESCRIPTION
This circuit provides power for main body ECU (driver side junction block assembly)
operation.
WIRING DIAGRAM
PROCEDURE
1.
CHECK DRIVER SIDE JUNCTION BLOCK ASSEMBLY (MAIN BODY ECU (POWER SOURCE))
...
Dtc Check / Clear
DTC CHECK / CLEAR
1. CHECK DTC (When Using Techstream)
(a) Check the DTCs.
(1) Connect the Techstream to the DLC3.
(2) Turn the ignition switch to ON.
(3) Turn the Techstream on.
(4) Read the DTCs following the prompts on the Techstream screen. Enter the ...
Terminals Of Ecu
TERMINALS OF ECU
1. CHECK SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY)
(a) Disconnect the P4 ECU connector.
(b) Measure the resistance and voltage according to the value(s) in the table
below.
HINT:
Measure the values on the wire harness si ...
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