Inspection Procedure

1. Enter the display adjustment screen by pressing the "DISP" switch.
2. Turn the light control switch to the TAIL position.
3. Check if "DAY MODE" on the display is ON.

   OK: "DAY MODE" is ON. 

NG: GO TO step 2 

Fig 1: Diagnostic Tool Display - Day Mode

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

OK: TURN "DAY MODE" SETTING OFF 

1. Enter the "Display Check Mode" (Vehicle Signal Check) (See DISPLAY CHECK MODE ).
2. Check that the display changes between DIM and BRIGHT according to the light control switch operation.

OK 

Fig 2: Diagnostic Tool Display - Vehicle Signal Check Mode Screen

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

HINT:

The display is updated once per second. It is normal for the display to lag behind the actual switch operation.

NG: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE 

OK: REPLACE MULTI-DISPLAY