Toyota Venza: 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 listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
Smart Key System|
Symptom |
Suspected Area |
See page |
|---|---|---|
|
Entry answer-back buzzer does not sound |
Wireless door lock control system |
|
|
Certification ECU (smart key ECU assembly) |
- |
|
|
All door entry lock/unlock functions and wireless functions do not operate |
Power door lock control system |
|
|
Key |
- |
|
|
Key battery |
- |
|
|
Fuse (EFI NO. 1, ECU-B) |
- |
|
|
Wire harness or connector |
- |
|
|
Door control receiver assembly |
- |
|
|
Certification ECU (Smart key ECU assembly) |
- |
|
|
All door entry lock/unlock functions do not operate, but wireless functions operate |
Key |
|
|
Certification ECU (Smart key ECU assembly) |
- |
|
|
Driver side door entry unlock function does not operate |
Power door lock control system |
|
|
Front door outside handle assembly (for driver side) |
- |
|
|
Certification ECU (Smart key ECU assembly) |
- |
|
|
Wire harness or connector |
- |
|
|
Front passenger side door entry unlock function does not operate |
Power door lock control system |
|
|
Front door outside handle assembly (for front passenger side) |
- |
|
|
Certification ECU (Smart key ECU assembly) |
- |
|
|
Wire harness or connector |
- |
|
|
Driver side door entry lock and unlock functions do not operate |
Power door lock control system |
|
|
Front door outside handle assembly (for driver side) |
- |
|
|
Certification ECU (Smart key ECU assembly) |
- |
|
|
Wire harness or connector |
- |
|
|
Front passenger side door entry lock and unlock functions do not operate |
Power door lock control system |
|
|
Front door outside handle assembly (for front passenger side) |
- |
|
|
Certification ECU (Smart key ECU assembly) |
- |
|
|
Wire harness or connector |
- |
|
|
Driver side door entry lock function does not operate |
Power door lock control system |
|
|
Front door outside handle assembly (for driver side) |
- |
|
|
Certification ECU (Smart key ECU assembly) |
- |
|
|
Wire harness or connector |
- |
|
|
Front passenger side door entry lock function does not operate |
Power door lock control system |
|
|
Front door outside handle assembly (for front passenger side) |
- |
|
|
Certification ECU (Smart key ECU assembly) |
- |
|
|
Wire harness or connector |
- |
|
|
Room oscillator does not recognize key |
Indoor electrical key oscillator (for front floor) |
|
|
Indoor electrical key oscillator (for center floor) |
- |
|
|
Indoor electrical key oscillator (for rear floor) |
- |
|
|
Certification ECU (Smart key ECU assembly) |
- |
|
|
Wire harness or connector |
- |
|
|
Entry interior alarm does not sound |
Meter / gauge system |
|
|
Certification ECU (Smart key ECU assembly) |
- |
|
|
Back door entry unlock function does not operate |
Power door lock control system |
|
|
Back door opener switch assembly |
- |
|
|
Certification ECU (Smart key ECU assembly) |
- |
|
|
Wire harness or connector |
- |
|
|
Back door entry lock and unlock functions do not operate |
Power door lock control system |
|
|
Outside electrical key oscillator (for rear side) |
- |
|
|
Certification ECU (Smart key ECU assembly) |
- |
|
|
Back door opener switch assembly |
- |
|
|
Wire harness or connector |
- |
|
|
Back door entry lock function does not operate |
Power door lock control system |
|
|
Back door opener switch assembly |
- |
|
|
Certification ECU (Smart key ECU assembly) |
- |
|
|
Wire harness or connector |
- |
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Customize Parameters
CUSTOMIZE PARAMETERS
1. CUSTOMIZING FUNCTION WITH TECHSTREAM
HINT:
The items in the table below can be customized.
NOTICE:
When the customer requests a change in a function, first make su ...
Diagnosis System
DIAGNOSIS SYSTEM
1. DESCRIPTION
(a) The certification ECU (smart key ECU assembly) control the vehicle smart
key system functions. Smart key system data and Diagnostic Trouble Codes (DTCs)
can b ...
Other materials about Toyota Venza:
Removal
REMOVAL
PROCEDURE
1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
NOTICE:
When disconnecting the cable, some systems need to be initialized after the cable
is reconnected (See page ).
2. REMOVE UPPER CONSOLE PANEL SUB-ASSEMBLY (w/o Seat Heater Syste ...
Catalyst System Efficiency Below Threshold (Bank 1) (P0420)
MONITOR DESCRIPTION
The ECM uses sensors mounted in front of and behind the Three-Way Catalytic Converter
(TWC) to monitor its efficiency.
The first sensor, the air fuel ratio sensor, sends pre-catalyst information to
the ECM. The second sensor, the heat ...
Removal
REMOVAL
CAUTION / NOTICE / HINT
HINT:
Use the same procedure for the RH side and LH side.
The following procedure is for the LH side.
The rear speed sensor is a component of the rear axle hub and bearing
assembly. If the sensor malfuncti ...
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