TOYOTA LAND CRUISER 1998 Factory Repair Manual
Manufacturer: TOYOTA, Model Year: 1998, Model line: LAND CRUISER, Model: TOYOTA LAND CRUISER 1998Pages: 3115, PDF Size: 54.88 MB
Page 191 of 3115
6RadioPOOR RECEPTION
Is the condition bad in comparison with other vehicles?
Are there any additional installation parts?
(Sun shade film, telephone antenna, etc.)
Check if there is any scratch and breaking of a wire on
the glass antenna and the defogger pattern.
(visual check. tester)
(See page BE-124
)
Is the contact of the plug jack of the radio OK?
Does the condition get better by using the outer
antenna (such as pillar antenna)?
Is the contact of the antenna terminal on the glass
surface and the defogger terminal?
Is the continuity of the antenna cord OK?
Check the grounding of the antenna, antenna cord.
Does the condition get better by replacing the
antenna cord?Take a measure for contact. An electric wave environment is bad.
Does the condition get better if
removing them?
Influence of additional installation parts.
Repair. (See page BE-75)
Check the radio.
Take a measure for contact.
Grounding failure. Replace the antenna cord.
Replace the antenna cord. Ye s
No
Radio assembly faultyYe s
Ye s
Ye s
Ye s
Ye s
Ye s
Ye s No
No
NoNo
No
No
No
NG
OK
Ye s
- BODY ELECTRICALAUDIO SYSTEM
BE-155
2528 Author: Date:
2004 LAND CRUISER (RM1071U)
Page 192 of 3115
7 Radio SOUND QUALITY POOR
Ye sNo
Ye s
NG
OK Is sound quality always bad?
Radio assembly faulty.Poor signals, poor location.
Install properly.
Speaker faulty. Is tape player operating normally?
Is speaker properly installed?
Radio assembly or power amplifier faulty.
Recheck system after repair. Temporarily install another speaker. Functions OK?Is sound quality bad in certain
areas only?
Can cassette tape be inserted in tape player?
Check if AMP fuse is OK?Radio assembly faulty.
Replace fuse.
+B wire harness faulty.
GND faulty.
Power amplifier faulty. 8 Radio PRESET MEMORY DISAPPEARSNo
Radio assembly faulty.
No
NoNo Ye s
Ye s
Power amplifier faulty.
Radio assembly faulty.Ye s
Ye sYe s
No
No
No NG
NG
OKOKYe s
Check if GND (wire harness side) of power amplifier
grounded normally? Is power supplied to +B terminal of power amplifier?
Check if GND (wire harness side) of radio assembly
grounded normally? Is power supplied to +B terminal of radio assembly?
Check if RADIO fuse is OK? Replace fuse.
NG
OK BE-156
- BODY ELECTRICALAUDIO SYSTEM
2529 Author: Date:
2004 LAND CRUISER (RM1071U)
Page 193 of 3115
9 Tape Player CASSETTE TAPE CANNOT BE INSERTED
Ye s
NG Is there a foreign object inside tape player?
Is auto search button radio operating normally?
Check if RADIO fuse is OK?
Radio assembly faulty.Radio assembly faulty. Remove foreign object.
Replace fuse.
+B wire harness. Ye s No
No
OK
Ye s
OKNo
NG
10 Tape Player CASSETTE TAPE INSERTED, BUT NO POWER
Is radio operating normal?
Check if ACC fuse is OK?
Check if RADIO fuse is OK?Radio assembly faulty.
Replace fuse.
Replace fuse.
+B wire harness faulty.
ACC wire harness.
Radio assembly faulty.No
No
No OK
OK
Ye s
Ye sYe s
NG
NG Check if GND (wire harness side) of radio assembly
grounded normally? Is power supplied to +B terminal of radio assembly?
Is power supplied to +B terminal of radio assembly?
Is power supplied to ACC terminal of radio assembly?GND faulty.
- BODY ELECTRICALAUDIO SYSTEM
BE-157
2530 Author: Date:
2004 LAND CRUISER (RM1071U)
Page 194 of 3115
11 Tape Player POWER COMING IN, BUT TAPE PLAYER NOT OPERATING
Ye s
NoRadio assembly faulty. Cassette tape faulty.
Speaker wire harness faulty.
Speaker faulty.
Power amplifier faulty.
Recheck system after repair. Ye s No
No
Ye s
Ye sNo No Function OK if different cassette tape inserted?
Is radio operating normally?
Does continuity exist in speaker wire harness?
Temporarily install another speaker.
Function OK?
Hiss noise from speaker?
Radio assembly faulty.
Recheck system after repair.Ye s
Radio assembly faulty.
Recheck system after repair. Radio assembly faulty.
No
No
No Ye sYe s
Ye s
Ye s No Is radio operating normally?
Speaker wire harness faulty.
Speaker faulty. Is hiss noise produced by non-functioning speaker.
Does continuity exist in speaker wire harness?
Temporarily install another speaker.
Function OK?
Radio assembly or power amplifier faulty.12 Tape Player ANY SPEAKER DOES NOT WORK BE-158
- BODY ELECTRICALAUDIO SYSTEM
2531 Author: Date:
2004 LAND CRUISER (RM1071U)
Page 195 of 3115
13 Tape Player SOUND QUALITY POOR (VOLUME FAINT)
Ye s
NoRadio assembly faulty. Cassette tape faulty.
Install properly.
Speaker faulty. Head dirty.
Ye s No
No
Ye sYe s
No No Function OK if different cassette tape inserted?
Is radio operating normally?
Is speaker properly installed?
Temporarily install another speaker.
Function OK?
Radio assembly faulty. Operates normally after cleaning the heads?
Ye s
Function OK if different tape (less than 120 mins.) is inserted?
Operates normally after cleaning the heads?
Radio assembly faulty. Is there a foreign object inside tape player?Cassette tape faulty.
Remove foreign object.
Head dirty. 14 TAPE JAMMED MALFUNCTION WITH TAPE SPEED OR AUTO-REVERSE
No
No
NoYe s
Ye s
Ye s 14
Tape PlayerTAPE JAMMED MALFUNCTION WITH TAPE SPEED OR AUTO-REVERSE
- BODY ELECTRICALAUDIO SYSTEM
BE-159
2532 Author: Date:
2004 LAND CRUISER (RM1071U)
Page 196 of 3115
15 Tape Player CASSETTE TAPE WILL NOT BE EJECTED
Radio assembly faulty. Is tape player operating normally?
Is auto search button of radio operating normally?
Check if RADIO fuse is OK?Cassette tape jammed.
Replace fuse.
+B wire harness. Ye s
Ye sYe s
NoNo
No NG
OK
Radio assembly faulty.
16 CD Player CD CANNOT BE INSERTED
Ye s
No Is CD already inserted?
Eject CD.
Radio assembly faulty.
Replace fuse.
+B wire harness faulty. Check if RADIO fuse is OK?
Radio assembly faulty.
Is auto search button of radio operating normally?
NoYe s
Ye sNo OK
NG
OKNG
Check if GND (wire harness side) of radio assembly
grounded normally? Is power supplied to +B terminal of radio receiver?
Is power supplied to +B terminal of radio assembly?
ACC wire harness faulty.
Ye sNoIs power supplied to ACC terminal of radio assembly?
GND wire harness faulty.
BE-160
- BODY ELECTRICALAUDIO SYSTEM
2533 Author: Date:
2004 LAND CRUISER (RM1071U)
Page 197 of 3115
17 CD Player CD INSERTED, BUT NO POWER
Radio assembly faulty.
Replace fuse. Check if ACC fuse is OK? Is radio operating normally?
ACC wire harness faulty.
Radio assembly faulty.No
No Ye s
Ye s OKNG
18 CD Player POWER COMING IN, BUT CD PLAYER NOT OPERATING
Is CD inserted with correct side up?
Is radio operating normally?Insert correctly.
CD faulty.
Protective circuit in
operation. Function OK if different CD inserted?
Has sudden temperature change
occurred inside cabin?
Radio assembly faulty.Is temperature inside cabin hot?No
Ye s Ye s
Ye s
Ye s
Ye s No
NoNo
No
Formation of
condensation
due to temp. changes.
Is power supplied to ACC terminal of radio assembly?
Go to No.2.
- BODY ELECTRICALAUDIO SYSTEM
BE-161
2534 Author: Date:
2004 LAND CRUISER (RM1071U)
Page 198 of 3115
CD Player SOUND JUMPS
19
Radio assembly faulty. Does sound jump only during strong vibration?
Is CD player properly installed?
Functions OK if different CD inserted?
Has sudden temperature change occurred inside cabin?Jumping caused by vibration.
Install properly.
CD faulty.
Formation of condensation due to
temp. changes. Ye sYe s
Ye s
Ye s No No
No
No
20 CD Player SOUND QUALITY POOR (VOLUME FAINT)
Is radio operating normally?CD faulty. Function OK if different CD inserted?
Speaker faulty. Temporarily install another speaker.
Functions OK?Ye s
No
Is speaker property installed?Radio assembly faulty.
Install properly. Ye s
Ye s Ye s No
NoNo
Radio assembly or power amplifier faulty. BE-162
- BODY ELECTRICALAUDIO SYSTEM
2535 Author: Date:
2004 LAND CRUISER (RM1071U)
Page 199 of 3115
Radio assembly faulty.
Power amplifier faulty.
Recheck system after repair. Temporarily install another speaker.
Function OK?21 CD Player ANY SPEAKER DOES NOT WORK
Speaker wire harness faulty.
Speaker faulty. Is hiss noise produced by non-functioning speaker?
Does continuity exist in speaker wire harness? Is radio operating normally?
Ye sYe s
Ye s
Ye s No
No
NoNoRadio assembly faulty.
Recheck system after repair.
22 CD Player CD WILL NOT BE EJECTED
Is auto search button of radio
operating normally?
NoRadio assemblyfaulty.
Replace fuse.
+B wire harness faulty.
Radio assembly faulty. Check if RADIO fuse is OK?
No Ye s
NG
OK
Ye s
Is power supplied to +B terminal of radio receiver?
- BODY ELECTRICALAUDIO SYSTEM
BE-163
2536 Author: Date:
2004 LAND CRUISER (RM1071U)
Page 200 of 3115
23 Power Amplifier NO POWER COMING IN
+ B wire harness faulty.
GND faulty.
Speaker wire harness faulty. Is tape player operating normally?
Check if ACC fuse is OK?Ye s
NG
No OK No
No
No OK
OK Ye s
Ye s
Ye sNG
NG Check if AMP fuse is OK?Replace fuse.
ACC wire harness faulty. Radio assembly faulty.
Replace fuse.
Check if GND (wire harness side) of power amplifier
grounded normally?Is power supplied to ACC terminal of power amplifier?
Is power supplied to +B terminal of power amplifier?
Does continuity exist in speaker wire harness.
Temporarity install another speaker functions OK?
Power amplifier faulty.
Speaker faulty.
NoYe s BE-164
- BODY ELECTRICALAUDIO SYSTEM
2537 Author: Date:
2004 LAND CRUISER (RM1071U)