Lexus ES300 (1997 year). Manual — part 362
–
DIAGNOSTICS
ELECTRIC MODULATED SUSPENSION
DI–225
377
1997 LEXUS ES300 (RM511U)
2
Check for open in harness and connectors between terminals E1 of DLC2 and
body ground (See page
NG
Repair or replace harness or connector.
OK
3
Check harness and connectors between absorber control ECU and DLC2
(See page
).
NG
Repair or replace harness or connector.
OK
Check replace absorber control ECU.
W03895
LG–R
DLC2
J24
Connector
BR
Junction
Absorber Control ECU
B
BR
A
Tc
LG–R
LG–R
LG–R
BR
BR
A
A
Connector
Junction
C
DLC1
A24
J9
J8
BR
E1
IK3
Tc
11
6
3
4
B
B
B
Connector
Junction
J1
3
E1
Tc
11
IK3
ED
22
F00007 I00169
F00289
E1
Tc
ON
DLC2
DLC1
E1
Tc
DI–226
–
DIAGNOSTICS
ELECTRIC MODULATED SUSPENSION
378
1997 LEXUS ES300 (RM511U)
Tc Terminal Circuit
CIRCUIT DESCRIPTION
By connecting terminal Tc and E1 of DLC1 or DLC2, the DTC mode can be performed.
WIRING DIAGRAM
INSPECTION PROCEDURE
1
Check voltage between terminals Tc and E1 of DLC1 or DLC2.
PREPARATION:
Turn the ignition switch ON.
CHECK:
Measure the voltage between terminals Tc and E1 of DLC2 or
DLC1.
OK:
Voltage: 10 – 14 V
OK
Proceed to next circuit inspection shown on
problem symptoms table (See page
NG
DI0AR–01
–
DIAGNOSTICS
ELECTRIC MODULATED SUSPENSION
DI–227
379
1997 LEXUS ES300 (RM511U)
2
Check for open in harness and connectors between terminals E1 of DLC1, DLC2
and body ground (See page
NG
Repair or replace harness or connector.
OK
3
Check harness and connectors between absorber control ECU and DLC1 ab-
sorber control ECU and DLC2 (See page
NG
Repair or replace harness or connector.
OK
Check and replace absorber control ECU.
W03888
Absorber Control ECU
Connector
E1
Junction
DLC1
Ts
R–Y
BR
A
A22
ED
J24
Ts
A
BR
3
16
19
F00290
Ts
ON
E1
DLC1
DI–228
–
DIAGNOSTICS
ELECTRIC MODULATED SUSPENSION
380
1997 LEXUS ES300 (RM511U)
Ts Terminal Circuit
CIRCUIT DESCRIPTION
By connecting terminal Ts and E1 of DLC1, an input signal check can be performed.
WIRING DIAGRAM
INSPECTION PROCEDURE
1
Check voltage between terminals Ts and E1 of DLC1.
PREPARATION:
Turn the ignition switch ON.
CHECK:
Measure the voltage between terminals Ts and E1 of DLC1.
OK:
Voltage: 10 – 14 V
OK
Proceed to next circuit inspection shown on
problem symptoms table (See page
NG
DI0AS–01
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