Toyota 4Runner manuals

Toyota 4Runner: On-vehicle Inspection

ON-VEHICLE INSPECTION

PROCEDURE

1. CONNECT TECHSTREAM

(a) Connect the Techstream to the DLC3.

(b) Start the engine and run it at idle.

(c) Turn the Techstream on.

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

HINT:

Refer to the Techstream operator's manual for further details.

2. INSPECT ACTUATOR MOTOR OPERATION

(a) Enter the following menus: Active Test / Motor Relay.

(b) Turn the motor relay on and check for actuator motor operation sounds.

NOTICE:

Do not keep the motor relay on continuously for more than 5 seconds. If it is necessary to operate the relay repeatedly, leave an interval of more than 20 seconds between operations.

(c) Turn the motor relay off.

(d) Fully depress the brake pedal and hold it for approximately 15 seconds. Check that the pedal's initial depth is maintained for the entire 15 seconds.

(e) Turn the motor relay on and check that the pedal does not pulsate.

(f) Turn the motor relay off and release the brake pedal.

3. INSPECT RIGHT FRONT WHEEL OPERATION

(a) Enter the following menus: Active Test / ABS Solenoid (SFRR) or ABS solenoid (SFRH).

(b) Depress the brake pedal and hold it.

NOTICE:

Do not turn on a solenoid in a manner different than that shown in the following steps.

(c) Turn the ABS Solenoid (SFRR) and ABS solenoid (SFRH) on simultaneously and check that the pedal cannot be depressed further.

NOTICE:

Each solenoid operates for 2 seconds and turns off automatically. If it is necessary to operate a solenoid repeatedly, leave an interval of more than 20 seconds between operations.

(d) Turn the ABS Solenoid (SFRR) and ABS solenoid (SFRH) off simultaneously and check that the pedal can be depressed.

(e) With the pedal still depressed, turn the motor relay on and check that the pedal returns.

NOTICE:

Do not keep the motor relay on continuously for more than 5 seconds. If it is necessary needs to operate the relay be operated repeatedly, leave an interval of more than 20 seconds between operations.

(f) Turn the motor relay off and release the brake pedal.

4. INSPECT OTHER WHEEL OPERATION

(a) Using the same procedure, check the solenoids of the other wheels.

HINT:

  • Left front wheel: ABS Solenoid (SFLH), (SFLR)
  • Right rear wheel: ABS Solenoid (SRRH), (SRRR)
  • Left rear wheel: ABS Solenoid (SRLH), (SRLR)
Components
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