Lexus LS400 (2000 year). Service manual — part 41

BE11Z–01

BE4671

Antenna Nut

BE5781

BE5780

BE4674

Twist

–

BE–233

2096

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:

The rod will extend fully and be released form the motor
antenna.

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.

IAuto Antenna Models:
NSTALL ANTENNA ROD

(a)

Insert the cable of the rod until it reaches the bottom.

HINT:

When inserting the cable, the teeth on the cable must face
toward the rear of the vehicle.

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:

If the ignition switch is already in ”LOCK” position, do step
1 (c) first, then turn the ignition switch to ”ACC” position.

In case the cable is not wound, twist it, as shown in the
illustration.

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.

BE0D1–02

1

CLOCK WILL NOT OPERATE

I03486

+B

GND

IG

ACC

e–6–1

Is there battery positive voltage between terminal
+B and body ground?

Is there battery positive voltage between terminal
IG and body ground?

Open or short circuit in wire harness between
terminal +B and DOME fuse.

Open or short circuit in wire harness between
terminal IG and GAUGE fuse.

Yes

Yes

No

No

Replace clock assembly.

Is there battery positive voltage between terminal
ACC and body ground?

Is there continuity battery terminal GND and body
ground?

Yes

Is there battery positive voltage between terminal
ILL and body ground when rheostat knob is turned
to any position except fully clockwise? (Taillight
switch ON)

Yes

Yes

Open circuit in wire harness between terminal
GND and body ground.

Open or short circuit in wire harness between
terminal ACC and FR CIG fuse.

Rheostat light control or wire harness faulty.

No

No

No

BE–234

–

BODY ELECTRICAL

CLOCK

2097

CLOCK

TROUBLESHOOTING

HINT:

Problem

No.

Clock will not operate

1

Clock loses or gains time

2

±

1.5 seconds / da

1.

PROBLEM No.1

(a)

Turn the ignition switch ON.

(b)

Check that the battery positive voltage is 10 – 16 V.

If voltage is not as specified, replace the battery.
(c)

Check that the DOME FR, GAUGE and FR CIG fuses in
not below.

If the fuse is blown, replace the fuse and check for short.
(d)

Troubleshoot the clock as follows.

HINT:
Inspect the connector on the wire harness side.

2

CLOCK LOSES OR GAINS TIME

I03486

+B

GND

IG

ACC

e–6–1

Is there 10 – 16 V between terminal +B and body
ground?

Locate cause and repair, or recharge battery.

Yes

Bellow 10 V

Adjust or replace clock assembly.

Is there 10 – 16 V between terminal IG and body
ground?

Is there 10 – 16 V between terminal ACC and body
ground?

Locate cause and repair, or recharge battery.

Locate cause and repair, or recharge battery.

Yes

Yes

Bellow 10 V

Bellow 10 V

–

BODY ELECTRICAL

CLOCK

BE–235

2098

2.

PROBLEM No.2

(a)

Check that the battery positive voltage is 10 – 16 V.

If voltage is not as specified, replace the battery.
(b)

Inspect the error of the clock.
Allowable error (per day):

±

2.0 seconds

If the error exceeds the allowable error, replace the clock as-
sembly.
(c)

Check if the clock adjusting button is sticking in position
and has failed to return.

(d)

Troubleshoot the clock as follows.

HINT:
Inspect the connector on the wire harness side.

BE0D2–01

I03243

BE–236

–

BODY ELECTRICAL

GARAGE DOOR OPENER SYSTEM

2099

GARAGE DOOR OPENER SYSTEM

REGISTRATION PROCEDURE

1.

NEW CODE REGISTRATION

NOTICE:

If pressing the switch of the original transmitter to
register the code, the system might operate.

When registering the transmitter codes such as for
garage or gate, check that there is nobody around
those places then register.

(a)

Press the switch for the item to be registered for 20 se-
conds

HINT:
When transferring to registration mode, LED (red) blinks in 1 Hz
cycle.

(b)

In the condition of (a), bring the original transmitter to with-
in 1–inch area around the garage door opener and press
the switch. (code transmitting).

HINT:
When code registration completes correctly, LED (red) blinks in
5.6 Hz cycle.