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.
- Inspect the fuses and relays related to this system before inspecting the suspected areas below.
- When an open circuit indication is displayed by the self-check function, check for DTCs and troubleshoot according to each inspection procedure.
|
Symptom |
Suspected Area |
See page |
|---|---|---|
|
System does not operate at all. |
Clearance warning ECU power source circuit |
|
|
Clearance sonar main switch circuit |
|
|
|
Clearance warning ECU assembly |
|
|
|
System cannot be turned off. |
Clearance sonar main switch circuit |
|
|
Clearance warning ECU assembly |
|
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|
Symptom |
Suspected Area |
See page |
|---|---|---|
|
Frozen indication is displayed in self-check function. |
Precaution |
|
|
Replace ultrasonic sensor in part where frozen indication is displayed |
- |
|
|
Clearance warning ECU assembly |
|
|
|
Combination meter assembly (shift indicator) operates normally, but detection operates when shift lever is in P, or detection does not operate when shift lever is in any position other than P (front ultrasonic sensor). |
CAN communication system |
|
|
Clearance warning ECU assembly |
|
|
|
Combination meter assembly (shift indicator) operates normally, but detection operates when shift lever is in any position other than R, or detection does not operate when shift lever is in R (rear ultrasonic sensor). |
CAN communication system |
|
|
Clearance warning ECU assembly |
|
|
|
Detection operation operates even when vehicle speed exceeds the operation condition speed. |
CAN communication system |
|
|
Clearance warning ECU assembly |
|
|
Symptom |
Suspected Area |
See page |
|---|---|---|
|
Sonar detection operation is normal but buzzer operation is intermittent. |
Clearance warning buzzer circuit |
|
|
Clearance warning ECU assembly |
|
|
Symptom |
Suspected Area |
See page |
|---|---|---|
|
Detection operation is normal but sonar displays of multi-information display do not appear. |
CAN communication system |
|
|
Meter / gauge system |
|
|
|
Clearance warning ECU assembly |
|
Operation Check
OPERATION CHECK
1. MALFUNCTION BUZZER
(a) Open circuit or frozen
(1) If an open circuit is detected between the ultrasonic sensors and the clearance
warning ECU assembly, if a sensor malfunction ...
Terminals Of Ecu
TERMINALS OF ECU
1. CLEARANCE WARNING ECU ASSEMBLY
(a) Disconnect the D79 clearance warning ECU assembly connector.
(b) Measure the voltage and resistance according to the value(s) in the table
...
Other materials about Toyota Venza:
Speaker Circuit
DESCRIPTION
for 6 Speakers:
If there is a short in a speaker circuit, the navigation receiver assembly detects
it and stops output to the speakers.
Thus sound cannot be heard from the speakers even if there is no malfunction
in the navigation receiver a ...
Installing child restraints using a seat belt (child restraint lock function
belt)
- Rear-facing -- Infant seat/convertible seat
Place the child restraint system on the rear seat facing the rear of the vehicle.
Run the seat belt through the child restraint system and insert the plate into
the buckle. Make sure that the belt is ...
Back Door Courtesy Switch
Components
COMPONENTS
ILLUSTRATION
Removal
REMOVAL
PROCEDURE
1. REMOVE BACK DOOR PANEL TRIM ASSEMBLY
2. REMOVE BACK DOOR LOCK ASSEMBLY
(a) Disconnect the connector.
(b) Disengage the c ...
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