Lexus ES300 (1997 year). Service manual - part 276

BE065–01

BE–168

–

BODY ELECTRICAL

ANTENNA CORD

1552

1997 LEXUS ES300   (RM511U)

INSTALLATION

Installation is in the reverse order of removal (See page 

BE–167

).

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

I01418

2

CLOCK LOSES OR GAINS TIME

(Clock Side)

(Wire Harness Side)

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

Below 10V

Detect cause and repair, or recharge battery.

Yes

Adjust or replace clock.

4

3 2

1

4

3

2

1

(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):   

±

   1.5 sec.

If the error exceeds the allowable error, replace the clock.

(c)    Check that the clock adjusting button is caught in position,
          and does not return.

If the button is not returned, repair or replace the clock.

(d)    Troubleshoot the clock as follows.

HINT:
Inspect the connector on the wire harness side.

BE–170

–

BODY ELECTRICAL

CLOCK

1554

1997 LEXUS ES300   (RM511U)

Z19485

Horn

Horn Switch

Engine Room
Junction Block

 Horn Relay

 HORN Fuse

BE067–01

–

BODY ELECTRICAL

HORN SYSTEM

BE–171

1555

1997 LEXUS ES300   (RM511U)

HORN SYSTEM

LOCATION