1993 MITSUBISHI 3000GT check engine

Downloaded from www.Manualslib.com manuals search engine CHASSIS ELECTRICAL - Radio and Tape Player54-I 71
1 B-5Distortion on AM or on both AM and FM.Are the speaker cords in contact with the cone paper?
NoRemove cords away from cone
pa-per.Remove the speakers and check for tom cone paper or foreign objects.
INoRepair or replace speakers.
iCheck for deformation with speaker installed.
No
Yes- Install speaker securely.
\ Repair or replace radio.j
B-6Distortion on FM onlyDoes the distortion persist when the radio is tuned to another
Nostation?
Yes
)- Due to weak electrical field of radiostation
YesDoes distortion increase or decrease when the vehicle is moved? ,
/ NoDue to multipath noise
1
1Repair or replace radio.
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Downloaded from www.Manualslib.com manuals search engine 54-172CHASSIS ELECTRICAL - Radio and Tape Player
B-7Too few automatic select stations.
tIs the antenna completely extended?
YesNo1Check theantennaitself.Is the antenna plug properly connected to the equipment?
Yes
Ensure proper connection.Does the equipment work properly if the radio is changed?
Repair or replace radio.
B-8lnsuff icient memory (preset stations are erased).Is multi-purpose fuse No. 19 blown or is the circuit open?
NoReplace fuse or repair harness.
Disconnect and check the connector at the rear of the radio. Is the memory
backup (battery) power beina supplied?Repair harness..-IYes
tRepair or replace radio.
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Downloaded from www.Manualslib.com manuals search engine 54-174
CHASSIS ELECTRICAL - Radio and Tape Player
C-3No sound from one speaker.t
YesReplace the cassette player and check again.
NoRepair or replace cassette player.
thespeaker harness for conductance.___c It conducts electricity but isshorted out.
+Check the speaker for conductance.
NoRepair speaker harness and ensureproper connection of relay connectors.
tRepair or replace speaker.
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Downloaded from www.Manualslib.com manuals search engine 54-178CHASSIS ELECTRICAL - Radio and TaDe Plaver
D. CD PLAYER
D-lCD will not be accepted.
Does the shutter open when a CD is inserted? l l
YesTake out the CD.
1 Yes
tThough CD is completely inserted once, “e
CD is rejected? l 3No-l
Yes
tCheck CD.l Is the labeled side faced downward?
l Is the recorded face of the CD dirty?
l Does dew exit on the recorded face of the CD?- Yes- Insert the CD correctly or check to see if the
CD is defective.
No
l 1‘2
‘3
tReplace CD.If the CD is already loaded, doesn’t the shutter open to allow
insertion when another CD is inserted?
If the key switch is not at ACC or ON, the CD stops at depth
of 15 mm below the panel surface even when it is inserted, andit will be rejected when pushed farther?
Even though the CD is loaded, E (error) is sometimes displayedwith the CD rejected because of vibration/ shock or dew on the
CD face or optical lens.
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Downloaded from www.Manualslib.com manuals search engine CHASSIS ELECTRICAL - Radio and Tape Player54-179/
L
D-2No sound.1I
Does it play if an existing proper CD is inserted? )Yes-Replace defective CD.
No
No
FYes
ture, and recheck operation.*IDoes it operate properly?
II NoAre the radio set and CD player connected
C;_TRepair or replace CD player.
-(The combined radio cassette must operate
properly.)
D-3CD sound skips.
1.Sound sometimes skips during parking.
iIs CD face scratched or dirty?CD is defective, or clean CD.
NoDoes it play properly if CD is replaced with an existing proper CD?
Yes
Repair or replace CD player..
1 Replace CD.
2.Sound sometimes skips during driving.(Stop vehicle, and check it.)
(Check it by using a proper CD which is free of scratch, dirt or other abnormality.)
Does sound skip when the side of
YesNo
tSecurely mount the CD player.
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Downloaded from www.Manualslib.com manuals search engine 54-182CHASSIS ELECTRICAL - Radio and Tape Player
E-2Motor antenna extends and retracts but does not receive.Is the antenna’ itself OK?
YesRepair or replace it.
Is operation normal when a new antenna assembly is directly installedto the radio?
YesRefer to B. “Radio troubleshooting”.
/ Replace the feeder cable.
Hz+
216N0087-IChecking the antenna
*
Ohmmeter measurement locations
Circuits from F to A, B, C, D and E
Circuit between G and H
Circuits from H to A, B, C, D and E
Result
Continuity
Continuity
No continuity
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Downloaded from www.Manualslib.com manuals search engine CHASSIS ELECTRICAL - Radio and Tape Player54-I 89
Antenna going downAntenna going up
16FO203
16F019800002406
REMOVAL SERVICE POINT
+A,REAR SEAT CUSHION REMOVAL
Raise and remove the seat cushion with the lever pulled.
INSTALLATION SERVICE POINT
.AqREAR SEAT CUSHION INSTALLATION
(1) Securely fit the attachment wire of the seat cushion
under the seatback.
(2) Pass the inner seat belt buckles through the cushion.
(3) Securely fit the lock plates of the seat cushion into
the holes in the floor.
INSPECTION
ANTENNA MOTOR INSPECTION
Disconnect the motor antenna control unit connector, connect
the positive terminal of the power supply to terminal (1) and
connect the negative terminal to terminal (4) to check that
the antenna goes up, and that when the connections are re-
versed, the antenna goes down.
MOTOR ANTENNA CONTROL UNIT INSPECTION
(1) Connect the harness connector to the motor antenna.
(Body harness)
(2) Disconnect the antenna motor connector.
(3) With the ignition switch in the ACC or ON position, operate
the radio switch and check the voltage between the termi-
nals during the period when the antenna is going up or
going down.
I
I
Antenna operating
directionTerminals to checkVoltage (V)
I
Down
UPl-310-13
3-410-13
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Downloaded from www.Manualslib.com manuals search engine CHASSIS ELECTRICAL - Radio and Tape Player
Ring nut
Tbothsideofrack cable
Rack cable
16LO42700002407,8Loa1
7
Tooth side of rack cable
ANTENNA POLE REPLACEMENT(1) Remove the ring nut.
(2) Set the radio switch to ON. After the antenna pole has
extended, remove the antenna pole and rack cable as
an assembly._.(3) Extend the antenna pole up to its farthest point.
NOTEIf the motor end of the rack cable is bent, straighten it.
(4) Force the rack cable into the motor assembly with the
tooth side of the rack cable toward the luggage compart-
ment.(5) Turn the tooth side of the rack cable toward the rear of
the vehicle
(90” clockwise) to bring the rack cable into
mesh with the motor gear.
(6)Lightly pull the rack cable. If it comes out without resistance,
it means that the rack cable is not in mesh with the motor
gear. Recheck that the rack cable end is not bent before
repeating the above-mentioned steps (2) and (3).(7) With the antenna pole upright and the radio switch at
OFF, take up the rack cable. As the rack cable is takenup, insert the antenna pole toward the motor antenna.
(8) After the ring nut has been tightened, set the radio switchto ON and OFF to check the operation of the antenna
pole.
I
I
I
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I~
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