Lexus SC300 / Lexus SC400. Manual — part 149
(Circuit)
Disconnect the control panel connector and inspect the con-
nector on wire harness side as shown.
Check for
Tester connection
Condition
Specified value
Voltage
2–Ground
Light control switch position
TAIL or HEAD
Battery voltage
OFF
No voltage
If circuit is not as specified, refer to
diagrams and inspect the circuits connected to other parts.
(Radio Receiver Assembly)
REMOVAL AND INSTALLATION OF
RADIO RECEIVER ASSEMBLY
(See page
)
INSPECTION OF RADIO RECEIVER
ASSEMBLY
INSPECT RADIO RECEIVER ASSEMBLY
(Circuit)
Disconnect the connectors from the radio receiver assembly.
And inspect the connector on the wire harness side as
shown.
(without CD player)
Check for
Tester connection
Condition
Specified value
Continuity
A7–Ground
Constant
Continuity
Voltage
A4–Ground
Constant
Battery voltage
Voltage
A3–Ground
Ignition switch position
ACC or ON
Battery voltage
g
LOCK
No voltage
A10–Ground
Light control switch position
TAIL or HEAD
Battery voltage
g
OFF
No voltage
If circuit is not as specified, refer to
wiring diagrams
and inspect the circuits connected to other parts.
–
BODY ELECTRICAL SYSTEM
Audio System
BE–207
(With CD player)
Check for
Tester connection
Condition
Specified value
Voltage
A4–Ground
Constant
Battery voltage
A3–Ground
Ignition switch position
ACC or ON
Battery voltage
g
LOCK
No voltage
A2–Ground
Light control switch
TAIL or HEAD
Battery voltage
g
position
OFF
No voltage
If circuit is not as specified, refer to
grams and inspect the circuits connected to other parts.
HINT: Check the wire harness between radio receiver assem-
bly and the CD auto changer, between radio receiver assem-
bly and power amplifier, in accordance with the wiring dia-
grams in
, 203.
(Front Door Speaker)
REMOVAL AND INSTALLATION OF
FRONT DOOR SPEAKER
(See page
(Tweeter)
REMOVAL AND INSTALLATION OF
TWEETER
(See page
(Rear Speaker)
REMOVAL AND INSTALLATION OF
REAR SPEAKER
1.
REMOVE REAR SPEAKER
(a) Remove the package tray trim.
HINT: (See page
(b) Remove eight bolts.
(c) Disconnect connectors and remove the rear speaker.
2.
INSTALL REAR SPEAKER
For installation, follow the removal procedure in reverse.
BE–208
–
BODY ELECTRICAL SYSTEM
Audio System
(Woofer)
REMOVAL AND INSTALLATION OF
WOOFER
1. REMOVE
WOOFER
(a) Remove woofer cover together with high mount stop
light.
(b) Remove four bolts.
(c) Disconnect connector and remove woofer.
2. INSTALL
WOOFER
For installation follow the removal procedure in reverse.
(Woofer Amplifier)
REMOVAL AND INSTALLATION OF
WOOFER AMPLIFIER
(without CD player)
1.
REMOVE WOOFER AMPLIFIER
(a) Remove the RH side cover.
(b) Disconnect the connector and remove three nuts and
the woofer amplifier with the bracket.
(c) Remove four bolts and the woofer amplifier.
2.
INSTALL WOOFER AMPLIFIER
For installation, follow the removal procedure in reverse.
(with CD player–Pioneer)
1.
REMOVE WOOFER AMPLIFIER
(a) Remove the package tray trim.
HINT: (See page
(b) Remove four bolts.
–
BODY ELECTRICAL SYSTEM
Audio System
BE–209
(c) Disconnect the connector and remove the woofer
amplifier.
2.
INSTALL WOOFER AMPLIFIER
For installation, follow the removal procedure in reverse.
INSPECTION OF WOOFER AMPLIFIER
INSPECT WOOFER AMPLIFIER
(Circuit)
Disconnect the connector from woofer amplifier and inspect
the connector on the wire harness side as shown.
Check for
Tester connection
Condition
Specified value
Continuity
7–Ground
Constant
Continuity
Voltage
3–Ground
Constant
Battery voltage
4–Ground
Ignition switch position
ACC or ON
Battery voltage
6–Ground
g
LOCK
No voltage
If circuit is not as specified, refer to
wiring diagrams
and inspect the circuits connected to other parts.
(Power Amplifier)
REMOVAL AND INSTALLATION OF
POWER AMPLIFIER
(Pioneer)
1.
REMOVE POWER AMPLIFIER
(a) Remove the RH side cover.
(b) Remove the CD auto changer (See page
(c) Disconnect two connectors and remove three nuts and
the power amplifier with the bracket.
(d) Remove four bolts and the power amplifier.
2.
INSTALL POWER AMPLIFIER
For installation, follow the removal procedure in reverse.
BE–210
–
BODY ELECTRICAL SYSTEM
Audio System
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст