Test Mode Procedure [12/2013 - 11/2016]

DESCRIPTION

HINT:

When using a chassis dynamometer, brake tester, etc. to perform a vehicle test, activate test mode to avoid a "different tire diameter installed" incorrect judgment. Test mode does not have an AWD parameter. Test mode is activated because it will prohibit a different tire diameter judgment.

Control Status	AWD Control Status
During test mode	Different tire diameter malfunction judgment (detection that tire diameter of all wheels are not same) is not performed. Other than above item, normal control is performed.

ACTIVATE TEST MODE

HINT:

Activate test mode before using a chassis dynamometer, brake tester, etc. to perform a vehicle test.

Check that the ignition switch is off.

Use the following method to change the 4WD ECU assembly to test mode.

Test mode activation by shorting the TS terminal.

Fig 1: DLC3 Connector End View F25

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*a	Front view of DLC3

Turn the ignition switch off.
Using SST, connect terminals TS and CG of the DLC3.
Turn the ignition switch to ON to activate test mode.

SST: 09843-18040

NOTE:

When the ignition switch is turned from off to ON, the master warning light and AWD lock mode indicator light will illuminate for 4 seconds. Then it will turn off.
If the dynamic torque control AWD system is malfunctioning, "CHECK AWD SYSTEM" is displayed on the multi-information display.

Check that "AWD TEST MODE" is displayed on the multi-information display.

Fig 2: "AWD TEST MODE" Message

*A	Multi-information Display (Color Type)
*B	Multi-information Display (Monochrome Type)

Start the engine.

END OF TEST MODE
1. Turn the ignition switch off.
2. Disconnect SST from terminals TS and CG of the DLC3 connector.
  - SST: 09843-18040
3. Turn the ignition switch to ON to cancel Test Mode.
  HINT:
  
  If the ignition switch is not turned off and back ON after SST is removed from the DLC3, the previous Test Mode will continue.