Toyota Venza manuals

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.
General

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


Sonar Function

Symptom

Suspected Area

See page

Frozen indication is displayed in self-check function.

Precaution


Replace ultrasonic sensor in part where frozen indication is displayed

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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


Buzzer Function

Symptom

Suspected Area

See page

Sonar detection operation is normal but buzzer operation is intermittent.

Clearance warning buzzer circuit


Clearance warning ECU assembly


Display Function

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:

Unmatched Key Code (B2795)
DESCRIPTION This DTC is stored when a key with a key code that has not been registered in the ECU is inserted into the ignition key cylinder. DTC No. DTC Detection Condition Trouble Area B2795 Ke ...

Terminals Of Ecu
TERMINALS OF ECU 1. A/C AMPLIFIER HINT: Check from the rear of the connector while it is connected to the A/C amplifier. Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified ...

System Description
SYSTEM DESCRIPTION 1. GENERAL (a) The air conditioning system has the following controls. Control Outline Neural Network Control This control is capable of performing complex control by artificially simu ...

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