Lexus ES300 (1997 year). Manual — part 363
–
DIAGNOSTICS
ELECTRIC MODULATED SUSPENSION
DI–229
381
1997 LEXUS ES300 (RM511U)
2
Check for open in harness and connectors between terminals E1 of DLC1 and
body ground (See page
NG
Repair or replace harness or connector.
OK
3
Check harness and connectors between absorber control ECU and DLC1
(See page
).
NG
Repair or replace harness or connector.
OK
Check and replace absorber control ECU.
DI0BB–01
Vehicle Brought to Workshop
Customer Problem Analysis
Check and Clear DTC (Precheck)
P.
Items inside
are titles of pages in this manual,
with the page number in the bottom portion. See
the pages for detailed explanations.
Problem Symptom Confirmation
Symptom Simulation
P.
Symptom
does not occur
Symptom
occurs
DTC Check
P.
Sensor Check
Circuit Inspection
P.
∼
DTC Chart
P.
Malfunction code
Problem Symptoms Table
P.
Check for Fluid Leakage
P.
Identification of Problem
Normal code
Repair
Confirmation Test
End
1
2
3
4
5
6
7
8
9
10
11
Step 2, 5, 8, 9, 11: Diagnostic steps permitting the use of the
LEXUS hand–held tester or LEXUS
break–out–box.
DI–230
–
DIAGNOSTICS
ANTI–LOCK BRAKE SYSTEM
382
1997 LEXUS ES300 (RM511U)
ANTI–LOCK BRAKE SYSTEM
HOW TO PROCEED WITH TROUBLESHOOTING
Troubleshoooting in accordance with the procedure on the following pages.
DI0BC–01
ABS Check Sheet
Inspector’s
Name
:
Customer’s Name
Date Vehicle
Brought In
Registration Year
Registration No.
Frame No.
Odometer Reading
/ /
/ /
Date Problem First Occurred
Frequency Problem Occurs
/ /
Continuous
Intermittent ( times a day)
Remains ON
Does not Light Up
DTC Check
1st Time
2nd Time
Normal Code
Malfunction Code (Code )
Normal Code
Malfunction Code (Code )
Symptoms
km
miles
ABS does not operate.
ABS Warning Light
Abnormal
ABS does not operate efficiently.
–
DIAGNOSTICS
ANTI–LOCK BRAKE SYSTEM
DI–231
383
1997 LEXUS ES300 (RM511U)
CUSTOMER PROBLEM ANALYSIS CHECK
DI0BD–01
F00074
F00006
DLC1
Short Pin
S−17−1 Iei−23−1−A
F00041
DLC2
DLC1
Tc
E
1
E
1
Tc
R01346
Normal Code
0.25 sec.
0.25 sec.
2 sec.
ON
OFF
ON
OFF
0.5 sec.
0.5 sec.
Code 11 and 21
4 sec.
1.5 sec.
2.5 sec.
Code 11
Code 21
DI–232
–
DIAGNOSTICS
ANTI–LOCK BRAKE SYSTEM
384
1997 LEXUS ES300 (RM511U)
PRE–CHECK
1.
DIAGNOSIS SYSTEM
(a)
INDICATOR CHECK
When the ignition switch is turned ON, check that the ABS
warning light goes on for 3 seconds.
HINT:If the indicator check result is not normal, proceed to
troubleshooting for the ABS warning light circuit
(See page
(b)
DTC CHECK
(1)
Disconnect the short pin from DLC1.
(2)
Using SST, connect terminals Tc and E
1
of DLC2 or
DLC1.
SST
09843 – 18020
(3)
Turn the ignition switch ON.
(4)
Read the DTC from the ABS warning light on the
combination meter.
HINT:If no code appears, inspect the diagnostic circuit or ABS
warning light circuit (See page
As an example, the blinking patterns for normal code and codes
11 and 21 are shown on the left.
(5)
Code are explained in the code table on page
DI–231.
(6)
After completing the check, disconnect terminals Tc
and E
1
, and turn off the display.
If 2 or more malfunctions are indicated at the same
time the lowest numbered DTC will be displayed
1st.
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