Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota Sienna 2004-2007 Approved SRM 04 05 21pl9 pstd4000
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05-1286
DIAGNOSTICS - NAVIGATION SYSTEM
05FGA-04
PROBLEM SYMPTOMS TABLE
HINT:
S Before performing verification listed in the table below, check the fuse and relay.
S 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
1. "PRESSING POWER SWITCH DOES NOT TURN ON 05-1310
SYSTEM"
Pressing PWR switch does not turn on system.
2. Power source circuit (radio and navigation assy) 05-1354
3. Replace radio and navigation assy 67-9
1. "BLACK SCREEN (NO IMAGE APPEARS ON NAV- 05-1311
IGATION AND AUDIO SCREEN)"
Black screen (No image appears on navigation/audio screen). 2. Dimmer signal circuit 05-1360
3. Power source circuit (radio and navigation assy) 05-1354
4. Replace radio and navigation assy 67-9
1. "ILLUMINATION FOR PANEL SWITCH DOES NOT 05-1312
Illumination for panel switch does not come on with TAIL switch COME ON WITH TAIL SWITCH ON"
on. 2. Dimmer signal circuit 05-1360
3. Replace radio and navigation assy 67-9
1. "DISPLAY DOES NOT DIM (NIGHT SCREEN) WITH 05-1313
TAIL SWITCH ON"
Display does not dim (Night Screen) with TAIL switch on.
2. Dimmer signal circuit 05-1360
3. Replace radio and navigation assy 67-9
1. Power source circuit (radio and navigation assy) 05-1354
Power does not turn off (The screen remains on).
2. Replace radio and navigation assy 67-9
1. "PANEL SWITCH DOES NOT FUNCTION" 05-1314
2. Power source circuit (radio and navigation assy) 05-1354
Panel switch does not function.
3. Steering pad switch circuit 05-1366
4. Replace radio and navigation assy 67-9
1. "TOUCH PANEL SWITCH DOES NOT FUNCTION" 05-1315
2. Power source circuit (radio and navigation assy) 05-1354
Touch panel switch does not function.
3. Steering pad switch circuit 05-1366
4. Replace radio and navigation assy 67-9
1. "DISPLAY PANEL DOES NOT OPEN, TILT, OR TILTS 05-1316
IMPROPERLY"
Display panel does not open, tilt, or tilts improperly.
2. Power source circuit (radio and navigation assy) 05-1354
3. Replace radio and navigation assy 67-9
1. Power source circuit (radio and navigation assy) 05-1354
Screen is distorted.
2. Replace radio and navigation assy 67-9
1. "SCREEN FLICKER OR COLOR DISTORTION" 05-1317
Screen flicker or color distortion. 2. Power source circuit (radio and navigation assy) 05-1354
3. Replace radio and navigation assy 67-9
1. Display signal circuit (from multi-display controller sub- 05-1397
DVD image cannot be displayed on front screen. (Parking brake assy)
is on.) (*1) 2. Parking brake switch circuit 05-1400
3. Replace radio and navigation assy 67-9
*1: w/ Rear Seat Entertainment System
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 1469
05-1287
DIAGNOSTICS - NAVIGATION SYSTEM
Audio function
Symptom Verification See page
1. "NO SOUND CAN BE HEARD FROM SPEAKERS
05-1319
(AUDIO IS MUTE)"
2. Mute signal circuit (radio and navigation assy - stereo
05-1383
component amplifier assy)
3. Mute signal circuit (from stereo component controller 05-1381
assy) (*2)
4. Mute signal circuit (from multi-display controller sub- 05-1385
No sound can be heard from speakers (audio is mute).
assy) (*1)
5. Sound signal circuit (radio and navigation assy - stereo 05-1393
component amplifier assy)
6. Speaker circuit 05-1387
05-1348
7. Power source circuit (stereo component amplifier assy)
67-23
8. Replace stereo component amplifier assy
67-9
9. Replace radio and navigation assy
1. "RADIO BROADCAST CANNOT BE RECEIVED 05-1320
(POOR RECEPTION)"
Radio broadcast cannot be received (poor reception).
2. Repair antenna assy 67-40
3. Replace radio and navigation assy 67-9
1. "CD CANNOT BE INSERTED/PLAYED OR CD IS 05-1322
CD cannot be inserted/played or CD is ejected right after inser- EJECTED RIGHT AFTER INSERTION"
tion. 2. Power source circuit (radio and navigation assy) 05-1354
3. Replace radio and navigation assy 67-9
1. "CD CANNOT BE EJECTED" 05-1324
CD cannot be ejected. 2. Power source circuit (radio and navigation assy) 05-1354
3. Replace radio and navigation assy 67-9
1. "ABNORMAL NOISE OCCURS"
05-1325
2. Mute signal circuit (radio and navigation assy - stereo
05-1383
component amplifier assy)
3. Mute signal circuit (from stereo component controller 05-1381
assy) (*2)
Abnormal noise occurs. 4. Mute signal circuit (from multi-display controller sub- 05-1385
assy) (*1)
5. Power source circuit (stereo component amplifier assy) 05-1348
6. Power source circuit (radio and navigation assy) 05-1354
7. Replace stereo component amplifier assy 67-23
67-9
8. Replace radio and navigation assy
1. "CD SOUND SKIPS" 05-1326
CD sound skips.
2. Replace radio and navigation assy 67-9
1. "POOR SOUND QUALITY IN ALL MODES (LOW VOL-
67-11
UME)"
2. Mute signal circuit (radio and navigation assy - stereo 05-1383
component amplifier assy)
3. Mute signal circuit (from stereo component controller 05-1381
assy) (*2)
Poor sound quality in all modes (low volume).
4. Mute signal circuit (from multi-display controller sub- 05-1385
assy) (*1)
5. Power source circuit (stereo component amplifier assy) 05-1348
6. Power source circuit (radio and navigation assy) 05-1354
67-23
7. Replace stereo component amplifier assy
67-9
8. Replace radio and navigation assy
*1: w/ Rear Seat Entertainment System
*2: w/ Rear Seat Audio System
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 1470
05-1288
DIAGNOSTICS - NAVIGATION SYSTEM
Navigation function
Symptom Verification See page
1. "MAP DISC CANNOT BE INSERTED" 05-1329
Map disc cannot be inserted. 2. Power source circuit (radio and navigation assy) 05-1354
3. Replace radio and navigation assy 67-9
1. "MAP DISC CANNOT BE EJECTED" 05-1330
Map disc cannot be ejected. 2. Power source circuit (radio and navigation assy) 05-1354
3. Replace radio and navigation assy 67-9
1. "VEHICLE POSITION MARK DEVIATES GREATLY" 05-1331
Vehicle position mark deviates greatly. 2. Replace GPS antenna assy 67-22
3. Replace radio and navigation assy 67-9
1. "CURSOR OR MAP ROTATES WHEN VEHICLE IS 05-1333
Cursor or map rotates when vehicle is stopped. STOPPED"
2. Replace radio and navigation assy 67-9
1. "VEHICLE POSITION MARK IS NOT UPDATED" 05-1334
Vehicle position mark is not updated. 2. Replace map disc -
3. Replace radio and navigation assy 67-9
1. "CURRENT POSITION DISPLAY DOES NOT AP- 05-1335
PEAR"
Current position display does not appear.
2. Replace map disc -
3. Replace radio and navigation assy 67-9
1. "GPS MARK IS NOT DISPLAYED" 05-1336
GPS mark is not displayed. 2. Replace GPS antenna assy 67-22
3. Replace radio and navigation assy 67-9
1. "VOICE GUIDANCE DOES NOT FUNCTION" 05-1338
2. Speaker circuit (navigation voice) 05-1371
Voice guidance does not function.
3. Replace map disc -
4. Replace radio and navigation assy 67-9
1. "MAP DISPLAY INCOMPLETE" 05-1341
Map display incomplete. 2. Replace map disc -
3. Replace radio and navigation assy 67-9
1. "ROUTE CANNOT BE CALCULATED" 05-1342
Route cannot be calculated. 2. Replace map disc -
3. Replace radio and navigation assy 67-9
Steering pad switch function
Symptom Verification See page
1. Steering pad switch circuit 05-1366
The system cannot be operated by the steering pad switch.
2. Replace radio and navigation assy 67-9
Illumination for steering pad switch does not come on with tail 1. Dimmer signal circuit 05-1360
switch on. 2. Replace radio and navigation assy 67-9
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 1471
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