Toyota Avalon Service & Repair Manual: Data List / Active Test

DATA LIST / ACTIVE TEST

DATA LIST

NOTICE:

In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not.

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 parts. This non-intrusive inspection can be very useful because intermittent conditions or signals may be discovered before parts or wiring is disturbed. Reading the Data List information early in troubleshooting is one way to save diagnostic time.

(a) Connect the Techstream to the DLC3.

(b) Turn the power switch on (IG).

(c) Turn the Techstream on.

(d) Enter the following menus: Chassis / Front Recognition Camera / Data List.

(e) Read the Data List according to the display on the Techstream.

Chassis > Front Recognition Camera > Data List

Tester Display

Measurement Item

Range

Normal Condition

Diagnostic Note

Blockage Status

Camera obstruction malfunction status

ON or OFF

ON: Forward recognition camera obstructed

OFF: Forward recognition camera not obstructed

-

Blockage History

Camera obstruction history status

ON or OFF

ON: Forward recognition camera obstruction history exists

OFF: Forward recognition camera obstruction history does not exist

-

Low Temperature Status

Low temperature malfunction status

ON or OFF

ON: Forward recognition camera low temperature malfunction exists

OFF: Forward recognition camera low temperature malfunction does not exist

-

Low Temperature History

Low temperature history status

ON or OFF

ON: Forward recognition camera low temperature history exists

OFF: Forward recognition camera low temperature history does not exist

-

High Temperature Status1

High temperature malfunction status

ON or OFF

ON: Forward recognition camera high temperature malfunction exists

OFF: Forward recognition camera high temperature malfunction does not exist

-

High Temperature History1

High temperature history status

ON or OFF

ON: Forward recognition camera high temperature history exists

OFF: Forward recognition camera high temperature history does not exist

-

High Temperature Status2

High temperature malfunction status

ON or OFF

ON: Forward recognition camera high temperature malfunction exists

OFF: Forward recognition camera high temperature malfunction does not exist

-

High Temperature History2

High temperature history status

ON or OFF

ON: Forward recognition camera high temperature history exists

OFF: Forward recognition camera high temperature history does not exist

-

Backlight Status

Backlight Status

OFF or Driving Backlight

OFF: Not driving towards the sun

Driving Backlight: Driving towards the sun

-

Vehicle Information (2WD/4WD)

Vehicle information (drivetrain) stored in forward recognition camera

2WD, 4WD or Unknown

2WD: for 2WD

4WD: for AWD

Unknown: Vehicle information not confirmed

-

Vehicle Information (Conv/HV)

Vehicle information (conventional/hybrid) stored in forward recognition camera

Conv, HV or Unknown

Conv: Conventional

HV: Hybrid vehicle

Unknown: Vehicle information not confirmed

-

Heater Connection

Forward recognition with heater hood sub-assembly connection state

ON or OFF

ON: Forward recognition with heater hood sub-assembly connected

OFF: Forward recognition with heater hood sub-assembly not connected

-

Heater Control Status

Forward recognition with heater hood sub-assembly control state

Permit or Prohibit

Permit: Control permitted

Prohibit: Control prohibited

-

Heater Activation

Forward recognition with heater hood sub-assembly operation state

ON or OFF

ON: Forward recognition with heater hood sub-assembly operating

OFF: Forward recognition with heater hood sub-assembly not operating

-

ACTIVE TEST

HINT:

Using the Techstream to perform Active Tests allows relays, VSVs, actuators and other items to be operated without removing any parts. This non-intrusive functional inspection can be very useful because intermittent operation may be discovered before parts or wiring is disturbed. Performing Active Tests early in troubleshooting is one way to save diagnostic time. Data List information can be displayed while performing Active Tests.

(a) Connect the Techstream to the DLC3.

(b) Turn the power switch on (IG).

(c) Turn the Techstream on.

(d) Enter the following menus: Chassis / Front Recognition Camera / Active Test.

(e) Perform Active Test according to the display on the Techstream.

HINT:

The power switch must be turned on (IG) to proceed with the Active Test using the Techstream.

Chassis > Front Recognition Camera > Active Test

Tester Display

Measurement Item

Control Range

Diagnostic Note

PCS Buzzer

Sounds PCS Buzzer

ON/OFF

Test possible with power switch on (IG), vehicle stopped

    Heater Circuit (C1AAE)

    Diagnostic Trouble Code Chart

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