Toyota Sequoia (2005). Manual — part 597
DIDC2–01
I28227
I28234
I28235
*1
*2
*3
*4
–
DIAGNOSTICS
NAVIGATION SYSTEM
DI–2183
2377
NAVIGATION CHECK MODE (Parts Information)
HINT:
This mode displays product information on the radio and navigation assy and discs.
Illustrations may differ from the actual vehicle depending on the device settings and options. There-
fore, some detailed areas may not be shown exactly the same as on the actual vehicle.
1.
Enter diagnostic mode (See page
).
2.
Select ”Navigation Check” from the ”Diagnosis
MENU” screen.
3.
Select ”Parts Information” from the ”Navigation
Check” screen.
4.
Check the navigation and disc information when the
”Parts Information” screen is displayed.
Display
Contents
Navigation Manufacturer/*1
Radio and navigation assy manufacturer name is displayed.
Navigation Version/*2
Radio and navigation assy version is displayed.
Disc Manufacturer/*3
Map disc manufacturer is displayed.
Disc Version/*4
Map disc version is displayed.
DIDC3–01
DI–2184
–
DIAGNOSTICS
NAVIGATION SYSTEM
2378
PROBLEM SYMPTOMS TABLE
HINT:
Before performing verification listed in the table below, check the fuse and relay.
Methods used to verify the cause of the problem are listed in order of probability in the verification col-
umn.
Display function
Symptom
Verification
See page
Pressing PWR switch does not turn on system.
1. ”PRESSING POWER SWITCH DOES NOT TURN ON
SYSTEM”
2. Power source circuit (radio and navigation assy)
3. Replace radio and navigation assy
–
Black screen (no image appears on navigation and audio screen).
1. ”BLACK SCREEN (NO IMAGE APPEARS ON NAV-
IGATION AND AUDIO SCREEN)”
2. Illumination circuit
3. Power source circuit (radio and navigation assy)
4. Replace radio and navigation assy
–
Illumination for panel switch does not come on with TAIL switch
on.
1. ”ILLUMINATION FOR PANEL SWITCH DOES NOT
COME ON WITH TAIL SWITCH ON”
2. Illumination circuit
3. Replace radio and navigation assy
–
Display does not dim (night screen) with TAIL switch on.
1. ”DISPLAY DOES NOT DIM (NIGHT SCREEN) WITH
TAIL SWITCH ON”
2. Illumination circuit
3. Replace radio and navigation assy
–
Power does not turn off (screen remains on).
1. Power source circuit (radio and navigation assy)
2. Replace radio and navigation assy
–
Panel switch does not function.
1. ”PANEL SWITCH DOES NOT FUNCTION”
2. Steering pad switch circuit
3. Replace radio and navigation assy
–
Touch panel switch does not function.
1. ”TOUCH PANEL SWITCH DOES NOT FUNCTION”
2. Power source circuit (radio and navigation assy)
3. Replace radio and navigation assy
–
Display panel does not open, tilt, or tilts improperly.
1. ”DISPLAY PANEL DOES NOT OPEN, TILT, OR TILTS
IMPROPERLY”
2. Power source circuit (radio and navigation assy)
3. Replace radio and navigation assy
–
Screen is distorted.
1. Power source circuit (radio and navigation assy)
2. Replace radio and navigation assy
–
Screen flicker or color distortion.
1. ”SCREEN FLICKER OR COLOR DISTORTION”
2. Power source circuit (radio and navigation assy)
3. Replace radio and navigation assy
–
Audio function
Symptom
Verification
See page
No sound can be heard from speakers (audio is mute).
1. ”NO SOUND CAN BE HEARD FROM SPEAKERS
(AUDIO IS MUTE)”
2. Speaker circuit
3. AVC–LAN circuit (radio and navigation – stereo compo-
nent amplifier)
4. Amplifier sound signal circuit
5. Amplifier mute signal circuit
6. Replace stereo component amplifier
7. Replace radio and navigation assy
–
–
–
DIAGNOSTICS
NAVIGATION SYSTEM
DI–2185
2379
Radio broadcast cannot be received (poor reception).
1. ”RADIO BROADCAST CANNOT BE RECEIVED
(POOR RECEPTION)”
2. Replace radio and navigation assy
–
CD cannot be inserted/played or CD is ejected right after inser-
tion.
1. ”CD CANNOT BE INSERTED/PLAYED OR CD IS
EJECTED RIGHT AFTER INSERTION”
2. Power source circuit (radio and navigation assy)
3. Replace radio and navigation assy
–
CD cannot be ejected.
1. ”CD CANNOT BE EJECTED”
2. Power source circuit (radio and navigation assy)
3. Replace radio and navigation assy
–
Abnormal noise occurs.
1. ”ABNORMAL NOISE OCCURS”
2. Power source circuit (radio and navigation assy)
3. Replace radio and navigation assy
–
CD sound skips.
1. ”CD SOUND SKIPS”
2. Replace radio and navigation assy
–
Poor sound quality in all modes (low volume).
1. ”POOR SOUND QUALITY IN ALL MODES (LOW VOL-
UME)”
2. AMP mute signal circuit
3. Replace radio and navigation assy
4. Replace stereo component amplifier
–
–
Navigation function
Symptom
Verification
See page
Map disc cannot be inserted.
1. ”MAP DISC CANNOT BE INSERTED”
2. Power source circuit (radio and navigation assy)
3. Replace radio and navigation assy
–
Map disc cannot be ejected.
1. ”MAP DISC CANNOT BE EJECTED”
2. Power source circuit (radio and navigation assy)
3. Replace radio and navigation assy
–
Vehicle position mark deviates greatly.
1. ”VEHICLE POSITION MARK DEVIATES GREATLY”
2. Replace GPS antenna assy
3. Replace radio and navigation assy
–
–
Cursor or map rotates when vehicle is stopped.
1. ”CURSOR OR MAP ROTATES WHEN VEHICLE IS
STOPPED”
2. Replace radio and navigation assy
–
Vehicle position mark is not updated.
1. ”VEHICLE POSITION MARK IS NOT UPDATED”
2. Replace map disc
3. Replace radio and navigation assy
–
–
Current position display does not appear.
1. ”CURRENT POSITION DISPLAY DOES NOT AP-
PEAR”
2. Replace map disc
3. Replace radio and navigation assy
–
–
GPS mark does not displayed.
1. ”GPS MARK IS NOT DISPLAYED”
2. Replace GPS antenna assy
3. Replace radio and navigation assy
–
–
Voice guidance does not function.
1. ”VOICE GUIDANCE DOES NOT FUNCTION”
2. Speaker circuit
3. Replace map disc
4. Replace radio and navigation assy
–
–
DI–2186
–
DIAGNOSTICS
NAVIGATION SYSTEM
2380
Map display incomplete.
1. ”MAP DISPLAY INCOMPLETE”
2. Replace map disc
3. Replace radio and navigation assy
–
–
Route cannot be calculated.
1. ”ROUTE CANNOT BE CALCULATED”
2. Replace map disc
3. Replace radio and navigation assy
–
–
Steering pad switch assy function
Symptom
Verification
See page
The system cannot be operated by the steering pad switch.
1. Steering pad switch circuit
2. Replace radio and navigation assy
–
Illumination for steering pad switch does not come on with TAIL
switch on.
1. Steering pad switch circuit
2. Replace radio and navigation assy
–
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст