Lexus ES300 (1997 year). Manual — part 140
Z05935
Wire Harness Side
Connector ”A”
Connector ”B”
BE6542 e–12–1
BE–166
–
BODY ELECTRICAL
AUDIO SYSTEM
1550
1997 LEXUS ES300 (RM511U)
3.
INSPECT RADIO RECEIVER ASSEMBLY CIRCUIT
Disconnect the connectors from the radio receiver assembly,
and inspect the connector on the wire harness side.
Tester connection
Condition
Specified condition
A4 – Ground
Constant
Battery positive voltage
A3 – Ground
Ignition switch LOCK
No voltage
A3 – Ground
Ignition switch ACC or ON
Battery positive voltage
If the circuit is not as specified, inspect the circuits connected
to other parts.
HINT:
Check the wire harness between radio receiver assembly and
the CD auto changer, between radio receiver assembly and
power amplifier.
4.
INSPECT GLASS IN PRINTED ANTENNA
(Use same procedure as for ”INSPECT DEFOGGER WIRES”
on page BE–126.)
5.
REPAIR GLASS PRINTED ANTENNA
(Use same procedure as for ”REPAIR DEFOGGER WIRES” on
page BE–127.)
N21504
BE064–01
–
BODY ELECTRICAL
ANTENNA CORD
BE–167
1551
1997 LEXUS ES300 (RM511U)
ANTENNA CORD
REMOVAL
REMOVE ANTENNA CORD
(a)
Remove the following parts:
Instrument panel assembly
Console box
Rear seat
Right rear poller garnish
Package tray trim
Room partition trim
HINT:
See BO section
(b)
Remove antenna cord from glass printed antenna.
(c)
Disconnect the connectors shown in the illustration.
(d)
Remove the clips and antenna cord assembly.
BE065–01
BE–168
–
BODY ELECTRICAL
ANTENNA CORD
1552
1997 LEXUS ES300 (RM511U)
INSTALLATION
Installation is in the reverse order of removal (See page
).
BE066–01
Z04388
E
ILL
B
ACC
2
3
1
Ground
Power Source
(Illumination)
Power Source
Power Source
(Display Operation)
Connector
(Clock Side)
(Wire Harness Side)
1
4
4
3 2 1
2 3 4
(System Operation)
I01417
1
CLOCK WILL NOT OPERATE
(Clock Side)
(Wire Harness Side)
Is there battery voltage between terminal
+B and body ground?
Open or short circuit in wire harness between
terminal +B and DOME fuse.
Open circuit in wire harness between
terminal GND and body ground.
+B
GND
Does continuity exist between terminal
GND and body ground?
Replace clock.
Yes
No
1
4 3 2 1
2 3 4
No
Yes
(a) Check that the battery positive voltage is 10 –14 V.
If voltage is not as specified, replace the battery.
(b) Check that the DOME fuse is not blown.
If the fuse is blown, replace the fuse and check for short
circuit.
(c) Troubleshoot the clock as follows.
HINT:
Inspect the connector on the wire harness side.
–
BODY ELECTRICAL
CLOCK
BE–169
1553
1997 LEXUS ES300 (RM511U)
CLOCK
TROUBLESHOOTING
HINT:
Troubleshoot the clock according to the table below.
Clock will not operate
1
Clock loses or gains time
2
±
1.5 seconds / day
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