Toyota Avalon Service & Repair Manual: On-vehicle Inspection

ON-VEHICLE INSPECTION

PROCEDURE

1. INSPECT PARKING BRAKE ACTUATOR ASSEMBLY (for Gasoline Model)

HINT:

Using the Techstream to perform the Active Tests allows relays, VSVs and 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) Turn the engine switch off.

(b) Connect the Techstream to the DLC3.

(c) Turn the engine switch on (IG).

(d) Turn the Techstream on.

(e) Enter the following menus: Chassis / ABS/VSC/TRAC/EPB / Active Test.

(f) When the vehicle's tires are lifted off the ground and the Techstream is used to operate the electric parking brake, check the condition of the rear tires.

(g) According to the display on the tester, perform the Active Test.

Chassis > ABS/VSC/TRAC/EPB > Active Test

Tester Display

PKB Lock Control

Chassis > ABS/VSC/TRAC/EPB > Active Test

Tester Display

PKB Release Control

OK:

Tester Display

Control Range

Condition of the Rear Tire

PKB Lock Control

ON

Lock

PKB Release Control

ON

Free

If the result is not as specified, inspect the electric parking brake actuator.

Click here

(h) Turn the engine switch on (IG), push the electric parking brake switch to the lock side for 1 second and check that the parking brake indicator light (red) illuminates.

(i) Push the electric parking brake switch to the release side for 1 second and check that the parking brake indicator light (red) turns off.

(j) Also, check that the brake warning light / yellow (minor malfunction) does not illuminate at this time.

2. INSPECT PARKING BRAKE ACTUATOR ASSEMBLY (for HV Model)

HINT:

Using the Techstream to perform the Active Tests allows relays, VSVs and 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) Turn the power switch off.

(b) Connect the Techstream to the DLC3.

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

(d) Turn the Techstream on.

(e) Enter the following menus: Chassis / Electric Parking Brake / Active Test.

(f) When the vehicle's tires are lifted off the ground and the Techstream is used to operate the electric parking brake, check the condition of the rear tires.

(g) According to the display on the tester, perform the Active Test.

Chassis > Electric Parking Brake > Active Test

Tester Display

PKB Lock Control

Chassis > Electric Parking Brake > Active Test

Tester Display

PKB Release Control

OK:

Tester Display

Control Range

Condition of the Rear Tire

PKB Lock Control

ON

Lock

PKB Release Control

ON

Free

If the result is not as specified, inspect the electric parking brake actuator.

Click here

(h) Turn the power switch on (IG), push the electric parking brake switch to the lock side for 1 second and check that the parking brake indicator light (red) illuminates.

(i) Push the electric parking brake switch to the release side for 1 second and check that the parking brake indicator light (red) turns off.

(j) Also, check that the brake warning light / yellow (minor malfunction) does not illuminate at this time.

    Installation

    Removal

    See More:

    Toyota Avalon Service & Repair Manual > Rear Light Assembly: Installation
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