Lexus ES300 (1997 year). Service manual — part 236

BE–8

–

BODY ELECTRICAL

BODY ELECTRICAL SYSTEM

1392

1997 LEXUS ES300 (RM511U)

Sliding roof system operates abnormally.

1. Sliding Roof Control Relay

2. Limit Switch

3. Sliding Roof Switch

BE–125

BE–125

BE–125

Sliding roof system stops operation half way.

1. Sliding Roof Control Relay

2. Limit Switch

3. Sliding Roof Switch

4. Sliding Roof Motor

(Stones or foreign material trapped in motor assembly)

BE–125

BE–125

BE–125

BE–125

–

*

1

: Door Lock does not operate.

*

2

: Door Lock is normal.

14.

POWER SEAT CONTROL SYSTEM

Symptom

Suspect Area

See page

Power seat does not operate.

(Power door lock system does not operate)

1. Wire Harness

2. POWER Fuse (Instrument Panel J/B)

–

–

Power seat does not operate.

(Power door lock system is normal)

1. Wire Harness

2. Power Seat Switch (D,P)

–

BE–129

Driver’s seat does not operate.

1. Power seat Switch (D)

2. Wire Harness

BE–129

–

Passenger’s seat does not operate.

1. Power Seat Switch (P)

2. Wire Harness

BE–129

–

”Slide operation” does not operate.

1. Power Seat Switch (D,P)

2. Wire Harness

3. Slide Motor (D,P)

BE–129

–

BE–129

”Front vertical operation” does not operate.

1. Power Seat Switch (D,P)

2. Wire Harness

3. Front Vertical Motor (D,P)

BE–129

–

BE–129

”Rear Vertical operation” does not operate.

1. Power Seat Switch (D,P)

2. Wire Harness

3. Rear Vertical Motor (D,P)

BE–129

–

BE–129

”Reclining operation” does not operate.

1. Power Seat Switch (D,P)

2. Wire Harness

3. Reclining Motor (D,P)

BE–129

–

BE–129

(D): Driver’s Seat
(P): Passenger’s Seat
15.

POWER MIRROR CONTROL SYSTEM

Symptom

Suspect Area

See page

Mirror does not operate.

1. CIG Fuse (Instrument Panel J/B)

2. Mirror Switch

3. Mirror Motor

4. Wire Harness

–

BE–134

BE–134

–

Mirror operates abnormally.

1. Mirror Switch

2. Mirror Motor

3. Wire Harness

BE–134

BE–134

–

16.

SEAT HEATER SYSTEM

Symptom

Suspect Area

See page

Seat heaters do not operate.

(Driver’s and Passenger’s)

1. SEAT–HEATER Fuse (Instrument Panel J/B)

2. Wire Harness

–

–

Driver’s seat heater does not operate.

1. Seat Heater Switch (Driver’s)

2. Seat Heater (Driver’s)

3. Wire Harness

BE–137

BE–137

–

–

BODY ELECTRICAL

BODY ELECTRICAL SYSTEM

BE–9

1393

1997 LEXUS ES300 (RM511U)

Passenger’s seat heater does not operate.

1. Seat Heater Switch (Passenger’s)

2. Seat Heater (Passenger’s)

3. Wire Harness

BE–137

BE–137

–

Seat heater temperature is too high.

1. Seat Heater

BE–137

17.

FUEL LID OPENER SYSTEM

Symptom

Suspect Area

See page

Fuel lid opener system does not operate.

1. DOOR Fuse (Instrument Panel J/B)

2. Fuel Lid Opener Switch

3. Fuel Lid Opener Solenoid

4. Wire Harness

–

BE–140

BE–140

–

18.

HORN SYSTEM

Symptom

Suspect Area

See page

Horn system does not operate.

1. HORN Fuse (E/G Room J/B)

2. Horn Relay (E/G Room J/B)

3. Horn Switch

4. Horn

5. Wire Harness

–

BE–172

BE–172

BE–172

–

Horn blows all the time.

1. Horn Relay (E/G Room J/B)

2. Horn Switch

3. Wire Harness

BE–172

BE–172

–

One horn operates but the other horn does not operate.

1. Horn

2. Wire Harness

BE–172

–

Horns operate abnormally.

1. Horn Relay (E/G Room J/B)

2. Horn

3. Wire Harness

BE–172

BE–172

–

BE04R–01

Z18764

Engine Room
No.3 R/B

*:CANADA Models

Engine Room R/B

Engine Room

Junction Block

Fusible Link Block

Engine Room
No.2 R/B*

Fog Light Relay

Instrument Panel Junction Block

BE–10

–

BODY ELECTRICAL

POWER SOURCE

1394

1997 LEXUS ES300 (RM511U)

POWER SOURCE

LOCATION

BE04S–01

N21302

D

B

A

C

I

J

K

L

M

N

O

P

H

G

F

E

R

S

T

U

V

Y

27

28

29

30

1

2

3

5

7

9

11

16

17

4

6

8

10

12

13

18

19

20

21

22

23

24

25

26

14

15

Q

W

X

–

BODY ELECTRICAL

POWER SOURCE

BE–11

1395

1997 LEXUS ES300 (RM511U)

INSPECTION

1.

INSPECT ENGINE ROOM JUNCTION BLOCK CIRCUIT

(a)

Remove the fuse from the junction block and inspect the
connector on junction block side.

Fuse

Tester connection

Condition

Specified condition

MAIN

1 – Ground

Constant

Battery positive voltage

DOME

4 – Ground

Constant

Battery positive voltage

ECU–B

6 – Ground

Constant

Battery positive voltage

RADIO No.1

7 – Ground

Ignition switch turned to ACC or ON

Battery positive voltage

SHORT PIN

9 – Ground

Constant

Battery positive voltage

HAZARD

11 – Ground

Constant

Battery positive voltage

AM2

13 – Ground

Constant

Battery positive voltage

TEL

15 – Ground

Constant

Battery positive voltage

HEAD (LH)

17 – Ground

Constant

Battery positive voltage

ALT–S

19 – Ground

Constant

Battery positive voltage

HEAD (RH)

21 – Ground

Constant

Battery positive voltage

EFI

23 – Ground

Constant

Battery positive voltage

HORN

25 – Ground

Constant

Battery positive voltage

RDI

28 – Ground

Constant

Battery positive voltage

CDS

30 – Ground

Constant

Battery positive voltage