Lexus ES300 (1997 year). Manual — part 398
AB0117 AB0118 AB0119
W02763
H00049
LOCK
ACC
ON
or
Airbag Sensor Assembly
Tc
–
DIAGNOSTICS
SUPPLEMENTAL RESTRAINT SYSTEM
DI–369
521
1997 LEXUS ES300 (RM511U)
4
Check airbag sensor assembly.
PREPARATION:
(a)
Turn ignition switch to LOCK.
(b)
Disconnect negative (–) terminal cable from the battery,
and wait at least 90 seconds.
(c)
Disconnect airbag sensor assembly connector.
(d)
Insert service wire into terminal Tc from back side as
shown.
(e)
Connect airbag sensor assembly connector with service
wire.
(f)
Connect negative (–) terminal cable to battery.
(g)
Turn ignition switch to ACC or ON and wait at least 20 se-
conds.
(h)
Connect service wire of terminal Tc to body ground.
CHECK:
Check operation of SRS warning light.
OK:
SRS waning light comes on.
NOTICE:
Never make a mistake with the terminal connection posi-
tion as this cause a malfunction.
OK
Check harness between airbag sensor assem-
bly and DLC1.
NG
Replace airbag sensor assembly.
AB0117
W02764
H00050
LOCK
Airbag Sensor Assembly
Tc
(+)
(–)
DI–370
–
DIAGNOSTICS
SUPPLEMENTAL RESTRAINT SYSTEM
522
1997 LEXUS ES300 (RM511U)
If the DTC is displayed without a DTC check procedure, perform the following
troubleshooting.
1
Check resistance between terminal Tc of airbag sensor assembly and body
ground.
PREPARATION:
(a)
Turn ignition switch to LOCK.
(b)
Disconnect negative (–) terminal cable from the battery,
and wait at least 90 seconds.
(c)
Disconnect airbag sensor assembly connector.
CHECK:
Check resistance between terminal Tc of airbag sensor assem-
bly connector.
OK:
Resistance: 1 M
Ω
or Higher
NG
Repair or replace harness or connector.
OK
Replace airbag sensor assembly.
DI0FP–01
Customer Problem Analysis
Vehicle Brought to Workshop
Problem Symptom Confirmation
Symptom Simulation
Symptom does not occur
Problem Symptom Table
Circuit Inspection
Identification of Problem
Repair
Confirmation Test
End
Titles inside
are titles of pages in this
manual with the page number indicated in the
bottom portion. See the indicated pages
for detailed explanations.
1
2
3
4
5
7
P.
P.
P.
P.
Symptom occur
6
Parts Inspection
Step 5, 7 : Diagnostic steps permitting the use
of the LEXUS hand–held tester and
LEXUS break–out–box.
–
DIAGNOSTICS
POWER SEAT CONTROL SYSTEM
DI–371
523
1997 LEXUS ES300 (RM511U)
POWER SEAT CONTROL SYSTEM
HOW TO PROCEED WITH TROUBLESHOOTING
Perform troubleshooting in accordance with the procedure on the following page.
DI0FR–01
POWER SEAT CONTROL SYSTEM Check Sheet
Inspector’s name:
Customer’s Name
Date of Vehicle
Registration No.
Registration Year
Frame No.
Odometer Reading
/ /
km
Mile
How Often does Problem Occurs
/ /
Continuous
Intermittent ( Times a day)
Brought in
Manual Function
does not operate.
Slide
Front Vertical
Rear Vertical
Reclining
Memory function does not operate.
Position return function does not stop when brake pedal is depressed.
Date Problem First Occurred
Problem
Symptom
Slide
Front Vertical
Rear Vertical
Does not operate in any conditions
Only with key inserted
Only with key not inserted
Only with memory & return switch 1 or 2
Return Function
does not operate.
DI–372
–
DIAGNOSTICS
POWER SEAT CONTROL SYSTEM
524
1997 LEXUS ES300 (RM511U)
CUSTOMER PROBLEM ANALYSIS CHECK
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