Lexus ES300 (1997 year). Service manual — part 100
BE–6
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BODY ELECTRICAL
BODY ELECTRICAL SYSTEM
1390
1997 LEXUS ES300 (RM511U)
Only one light always lights up.
1. Wire Harness
–
Only one light does not light.
1. Bulb
2. Wire Harness
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–
9.
WIPER AND WASHER SYSTEM
Symptom
Suspect Area
See page
Wiper and washers do not operate.
1. WIPER Fuse (Instrument Panel J/B)
2. Wiper Switch
3. Wire Harness
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–
Wipers do not operate in LO or HI.
1. Wiper Switch
2. Wiper Motor
3. Wire Harness
–
Wipers do not operate in INT.
1. Wiper Switch
2. Wiper Motor
3. Wire Harness
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Washer motor does not operate.
1. Washer Switch
2. Washer Motor
3.Wire Harness
–
Wiper do not operate when washer switch is ON.
1. Washer Motor
2. Wire Harness
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Washer fluid does not operate.
1. Washer Hose and Nozzle
–
At wiper switch HI position, the wiper blade is in contact with the
body.
When the wiper switch is OFF, the wiper blade does not retract
or the retract position is wrong.
1. Wiper Switch*
2. Wire Harness
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–
–
–
*: Inspect wiper arm and blade set position.
10.
DEFOGGER SYSTEM
Symptom
Suspect Area
See page
All defogger systems do not operate.
1. DEFOG Fuse (Instrument Panel J/B)
2. HEATER Fuse (Instrument Panel J/B)
3. Defogger Relay (Instrument Panel J/B)
4. Defogger Switch
5. Wire Harness
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–
–
Rear window defogger does not operate.
1. Defogger Wire
2. Choke Coil
3. Wire Harness
–
–
–
Mirror defogger does not operate.
1. MIRROR–HEATER Fuse (Instrument Panel J/B)
2. Mirror Defogger
3. Wire Harness
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–
11.
POWER WINDOW CONTROL SYSTEM
Symptom
Suspect Area
See page
*
1
Power window does not operate.
1. Integration Relay (Instrument Panel J/B)
2. Wire Harness
–
*
2
Power window does not operate.
1. POWER Fuse (Instrument Panel J/B)
2. Integration Relay (Instrument Panel J/B)
3. Power Main Relay (Instrument Panel J/B)
4. Power Window Master Switch
5. Wire Harness
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–
*
2
”One Touch Power Window System” does not operate.
1. Power Window Master Switch
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BODY ELECTRICAL
BODY ELECTRICAL SYSTEM
BE–7
1391
1997 LEXUS ES300 (RM511U)
Only one window glass does not move.
1. Power Window Master Switch
2. Power Window Switch
3. Power Window Motor
4. Wire Harness
–
”Window Lock System” does not operate.
1. Power Window Master Switch
”Window Lock Illumination” does not lightup.
1. Power Window Master Switch
Key–off power window does not operate.
1. GAUGE Fuse (Instrument Panel J/B)
2. Integration Relay (Instrument Panel J/B)
3. Ignition Switch
4. Door Courtesy Switch
5. Wire Harness
–
–
*
1
: Door Lock does not operate.
*
2
: Door Lock is normal.
12.
POWER DOOR LOCK CONTROL SYSTEM
Symptom
Suspect Area
See page
”Door lock system” does not operate at all.
1. ECU–IG Fuse (Instrument Panel J/B)
3. DOOR Fuse (Instrument Panel J/B)
4. Integration Relay (Instrument Panel J/B)
5. Wire Harness
–
–
–
Door lock system does not operate by manual switch.
1. Power Window Master Switch
2. Door Lock Control Switch
3. Integration Relay (Instrument Panel J/B)
4. Wire Harness
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Door lock system does not operate by door key.
1. Door Key Lock and Unlock Switch
2. Integration Relay (Instrument Panel J/B)
3. Wire Harness
4. Door Lock Link Disconnected
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–
Fault in 2–Operation unlock function of Driver’s side door key lock
and unlock switch.
1. Door Key Lock and Unlock Switch
2. Integration Relay (Instrument Panel J/B)
3. Wire Harness
–
Fault in key confine prevention operate.
1. Integration Relay (Instrument Panel J/B)
2. Key Unlock Warning Switch
3. Door Courtesy Switch
4. Wire Harness
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Only one door lock does not operation.
1. Door Lock Motor
2. Wire Harness
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13.
SLIDING ROOF SYSTEM
Symptom
Suspect Area
See page
*
1
Sliding roof system does not operate.
1. Power Main Relay (Instrument Panel J/B)
2. Integration Relay (Instrument Panel J/B)
3. Wire Harness
–
*
2
Sliding roof system does not operate.
1. POWER Fuse (Instrument Panel J/B)
2. Integration Relay (Instrument Panel J/B)
3. Sliding Roof Switch
4. Sliding Roof Control Relay
5. Sliding Roof Motor
6. Wire Harness
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–
BE–8
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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
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)
–
*
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)
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–
Power seat does not operate.
(Power door lock system is normal)
1. Wire Harness
2. Power Seat Switch (D,P)
–
Driver’s seat does not operate.
1. Power seat Switch (D)
2. Wire Harness
–
Passenger’s seat does not operate.
1. Power Seat Switch (P)
2. Wire Harness
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”Slide operation” does not operate.
1. Power Seat Switch (D,P)
2. Wire Harness
3. Slide Motor (D,P)
–
”Front vertical operation” does not operate.
1. Power Seat Switch (D,P)
2. Wire Harness
3. Front Vertical Motor (D,P)
–
”Rear Vertical operation” does not operate.
1. Power Seat Switch (D,P)
2. Wire Harness
3. Rear Vertical Motor (D,P)
–
”Reclining operation” does not operate.
1. Power Seat Switch (D,P)
2. Wire Harness
3. Reclining Motor (D,P)
–
(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
–
–
Mirror operates abnormally.
1. Mirror Switch
2. Mirror Motor
3. Wire Harness
–
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
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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
–
Seat heater temperature is too high.
1. Seat Heater
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
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–
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
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–
Horn blows all the time.
1. Horn Relay (E/G Room J/B)
2. Horn Switch
3. Wire Harness
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One horn operates but the other horn does not operate.
1. Horn
2. Wire Harness
–
Horns operate abnormally.
1. Horn Relay (E/G Room J/B)
2. Horn
3. Wire Harness
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