Inspection Procedure

CHECK NAVIGATION SETTINGS
1. Enter the "Menu" screen by pressing the "MENU" switch.
2. Select "Set up".
  
  Fig 1: Diagnostic Tool Display - SET UP
  Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
3. Check that "Voice Recognition Guidance" is not OFF.
  OK: Voice Recognition Guidance is not OFF.
NG: TURN VOICE RECOGNITION GUIDANCE "ON"

Fig 2: Diagnostic Tool Display - Voice Recognition Guidance
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

OK: Go to next step
CHECK MAP DISC
1. Check that the map disc is not deformed or cracked.
  OK: No deformations or cracks on map disc.
NG: REPLACE MAP DISC

Fig 3: Checking Disc
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

OK: Go to next step
CHECK MAP DISC
1. Check for dirt on the map disc surface.
  OK: No dirt is on the map disc surface.
NOTE: Do not use a conventional record cleaner or antistatic preservative.

HINT:

If the disc is dirty, clean the disc by wiping the disc surface radially with a soft cloth.

NG: CLEAN MAP DISC

Fig 4: Cleaning Disc With Soft Cloth
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

OK: Go to next step
CHECK MICROPHONE (NAVIGATION CHECK MODE)
1. Enter the "MICROPHONE & VOICE RECOGNITION CHECK" mode (See NAVIGATION CHECK MODE ).
2. When voice is input into the microphone, check that the microphone input level meter changes according to the input voice.
3. Push the recording switch and perform voice recording.
  HINT:
  
  Voice can be recorded up to 5 seconds.
4. Check that the recording indicator remains on while recording and that the recorded voice is played normally without noise or distortion.
  OK: All check results are normal.
OK: REPLACE NAVIGATION ECU

Fig 5: Diagnostic Tool Display - Microphone & Voice Recognition Check Mode
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

NG: Go to next step
CHECK MICROPHONE (DISPLAY CHECK MODE)
1. Enter the "MICROPHONE & VOICE RECOGNITION CHECK" mode (See DISPLAY CHECK MODE ).
2. When voice is input into the microphone, check that the microphone input level meter changes according to the input voice.
3. Push the recording switch and perform voice recording.
  HINT:
  
  Voice can be recorded up to 5 seconds.
4. Check that the recording indicator remains on while recording and that the recorded voice is played normally without noise or distortion.
Fig 6: Diagnostic Tool Display - Microphone & Voice Recognition Check Mode
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

OK: All check results are normal.

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

OK: END