buttons TOYOTA SUPRA 1995 Service Repair Manual

ANTI±THEFT SYSTEM
HINT: The words ºANTI±THEFT SYSTEMº are displayed on
the cassette tape slot cover.
For operation instructions for the anti±theft system, please
consult the audio system section in the Owner's Manual
(hereafter called O/M).
1. SETTING SYSTEM
The system is in operation once the customer has pushed the
required buttons and entered the customer±selected 3±digit
ID number.
(Refer to the O/M section, ºSetting the anti±theft systemº)
HINT:
w When the audio system is shipped the ID number has
not been input, so the anti±theft system is not in
operation.
w If the ID number has not been input, the audio system
remains the same as a normal audio system.
2. ANTI±THEFT SYSTEM OPERATION
If the normal electrical power source (connector or battery
terminal) is cut off, the audio system becomes inoperable,
even if the power supply resumes.
3. CANCELING SYSTEM
The ID number chosen by the customer is input to cancel the
anti±theft system.
(Refer to the O/M section, ºIf the system is activatedº)
HINT: To change or cancel the ID number, please refer to the
O/M section ºCancelling the systemº. BE±84
± BODY ELECTRICAL SYSTEMAUDIO SYSTEM

TROUBLESHOOTING
NOTICE: When replacing the internal mechanism (computer part) of the audio system, be careful
that no part of your body or clothing comes in contact with the terminals of the leads from the IC,
etc. of the replacement part (spare part).
HINT: This inspection procedure is a simple troubleshooting which should be carried out on the vehicle
during system operation and is based on the assumption that the cause of trouble lies with the system com-
ponents (except for the wires and connectors, etc.).
Always inspect the trouble taking the following items into consideration.
w Open or short circuit of the wire harness
w Connector or terminal connection fault
w Troubleshooting items marked *indicate that ºTroubleshooting for ANTI±THEFT SYSTEMº should be
carried out first.
 Problem No.  No power coming in. *1  Power coming in, but radio not operating. 2  Noise present, but AM±FM not operating. 3
  Either speaker does not work. 4
  Woofer speaker does not work. 5
 Radio Either AM or FM does not work. 6
  Reception poor (Volume faint). 6
  Few preset tuning bands. 6
  Sound quality poor. 7
  Cannot set station select button. 8
  Preset memory disappears. 8
  Cassette tape cannot be inserted. 9
Cassette tape inserts, but no power.*10  Power coming in, but tape player not operating. 11  Either speaker does not work. 12 Tape player Woofer speaker does not work. 13 y Sound quality poor (Volume faint). 14  Tape jammed, malfunction with tape speed or auto±reverse. 15  APS, SKIP, RPT buttons not operating. 16
  Cassette tape will not eject. *17
  CD cannot be inserted. 18
  CD inserts, but no power. 19
  Power coming in, but CD player not operating. 20
 CDplayer Sound jumps. 21
 CD player Sound quality poor (Volume faint). 22
  Either speaker does not work. 23
  Woofer speaker does not work. 24
  CD will not eject. 25
No power coming in.26 
Amplifier
 Power coming in, but woofer amplifier (Power amplifier) not operating. 27 Amplifier Either speaker does not work. 28  Woofer speaker does not work. 29
BE±86± BODY ELECTRICAL SYSTEMAUDIO SYSTEM

Functions OK if different cassette
tape installed?Radio assembly faulty.
Is tape player operating normally?Cassette tape jammed.
Is auto search button of radio
operating normally?Radio assembly faulty.
Check if RAD No.1 fuse is OK?Replace fuse.
Is +B applied to power amplifier?+B wire harness faulty.
Is +B applied to radio assembly?+B wire harness faulty
Power amplifier faulty.
Radio assembly faulty.
Cassette tape faulty. (Less than 3 secs. of silence between songs (APS, RPT),
Less than 15 secs. of silence (SKIP).)
APS, SKIP, RPT BUTTONS NOT OPERATINGTape Player
CASSETTE TAPE WILL NOT EJECTTape Player
± BODY ELECTRICAL SYSTEMAUDIO SYSTEMBE±101

ANTENNA ROD REMOVAL AND
INSTALLATION
1. REMOVE ANTENNA ROD
HINT: Do this operation with the negative (±) terminal cable
connected to the battery.
(a) Turn the ignition switch to ºLOCKº position.
(b) Remove the antenna nut.
(c) P r e s s t h e º A M º b u t t o n o n t h e r a d i o r e c e i v e r, a n d
simultaneously turn the ignition switch to ºACCº position.
HINT:
wThe rod will extend fully and be released from the motor
antenna.
wAfter removing the antenna rod, leave the ignition switch
at ºACCº.
NOTICE: To prevent body damage when the antenna rod
is released, hold the rod while it comes out.
2. INSTALL ANTENNA ROD
(a) Insert the cable of the rod until it reaches the bottom.
HINT:
wWhen inserting the cable, the teeth on the cable must
face toward the rear of the vehicle.
wInsert the cable approx. 400 mm.
(b) Wind the cable to retract the rod by turning the ignition switch
to ºLOCKº position.
HINT:
wIf the ignition switch is already in ºLOCKº position, do
step 1 (c) first, then turn the ignition switch to ºACCº
position.
wIn case the cable is not wound, twist it as shown in the
illustration.
wEven if the rod has not retracted fully, install the antenna
nut and inspect the antenna rod operation. It will finally
retract fully.
(c) Inspect the antenna rod operation by pushing the radio wave
band select buttons. BE±112
± BODY ELECTRICAL SYSTEMAUDIO SYSTEM