Lexus RX300 (MCU15). Manual — part 159
BE0UQ–03
I07333
Antenna Cable
Auto Antenna
2.5 (25, 21.7 in.·lbf)
2.5 (25, 21.7 in.·lbf)
N·m (kgf·cm, ft·lbf) : Specified torque
–
BODY ELECTRICAL
ANTENNA
BE–183
LEXUS RX300 (RM785E)
COMPONENTS
BE0UR–03
I07343
I07344
Antenna Nut
BE–184
–
BODY ELECTRICAL
ANTENNA
LEXUS RX300 (RM785E)
REMOVAL
1.
REMOVE SIDE WINDOW INNER GARNISH
(See page BO–145)
2.
REMOVE 2 NUTS
3.
REMOVE ANTENNA NUT AND ORNAMENT
4.
DISCONNECT ANTENNA CODE AND WIRE HARNESS
BE0US–03
I07341
2
5
Up
6
4
3
I07342
2
5
Down
6
3
I08167
Wire Harness Side
–
BODY ELECTRICAL
ANTENNA
BE–185
LEXUS RX300 (RM785E)
INSPECTION
1.
INSPECT ANTENNA MOTOR
(a)
Connect the positive (+) lead from the battery to terminal
2, 3, 4 and 5 and the negative (–) lead to terminal 6.
(b)
Check that the motor turns (moves upward).
NOTICE:
These tests must be done quickly (within 3 – 5 seconds) to
prevent the coil from burning out.
(c)
Disconnect the positive (+) lead from the battery from the
terminal 4.
NOTICE:
These tests must be done quickly (within 3 – 5 seconds) to
prevent the coil from burning out.
2.
INSPECT ANTENNA MOTOR CONTROL RELAY CIR-
CUIT
Disconnect the connector from the relay and inspect the con-
nector on wire harness side, as shown in the chart below.
Tester connection
Condition
Specified condition
6 – Ground
Constant
Continuity
2 – Ground
Ignition switch OFF
No voltage
2 – Ground
Ignition switch ACC or ON
Battery voltage
3 – Ground
Constant
Battery voltage
4 – Ground
Ignition switch ACC or ON,
and radio switch OFF
No voltage
4 – Ground
Ignition switch ACC or ON,
and radio switch ON
Battery voltage
5 – Ground
Ignition switch LOCK or ACC
No voltage
5 – Ground
Ignition switch ON
Battery voltage
BE0UT–03
BE4671
Antenna Nut
BE5781
BE5780
BE4674
Twist
BE–186
–
BODY ELECTRICAL
ANTENNA
LEXUS RX300 (RM785E)
REPLACEMENT
1.
Auto Antenna Models:
REMOVE ANTENNA ROD
HINT:
Do this operation with the battery negative (–) cable connected
to the battery terminal.
(a)
Turn the ignition switch to ”LOCK” position.
(b)
Remove the antenna nut.
(c)
Press the ”AM, FM” buttons on the radio receiver, and si-
multaneously turn the ignition switch to ”ACC” position.
HINT:
S
The rod will extend fully and be released form the motor
antenna.
S
After removing the antenna rod, leave the ignition switch
as ”ACC”.
NOTICE:
To prevent body damage when the antenna rod is released,
hold the rod while it comes out.
2.
Auto Antenna Models:
INSTALL ANTENNA ROD
(a)
Insert the cable of the rod until it reaches the bottom.
HINT:
S
When inserting the cable, the teeth on the cable must face
toward the rear of the vehicle.
S
Insert the antenna approx. 300 mm (11.8 in.).
(b)
Wind the cable to retract the rod by turning the ignition
switch to ”LOCK” position.
HINT:
S
If the ignition switch is already in ”LOCK” position, do step
1 (c) first, then turn the ignition switch to ”ACC” position.
S
In case the cable is not wound, twist it, as shown in the
illustration.
S
Even if the rod has not retracted fully, install the antenna
nut and inspect the antenna rod operation. It will finally re-
tract fully.
(c)
Inspect the antenna rod operation by pushing the radio
wave band select buttons.
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