Lexus ES300 (1997 year). Service manual — part 359
–
DIAGNOSTICS
ELECTRIC MODULATED SUSPENSION
DI–213
365
1997 LEXUS ES300 (RM511U)
NG
Repair or replace harness or connector.
OK
Check and replace absorber control ECU.
W03886
NEO
TACH
B–O
Connector
Junction
ECM
Absorber Control ECU
B–O
D
F
J29
A24
14
13
E7
J28
W03874
AB0119
F00255
(+)
NEO
ON
(–)
DI–214
–
DIAGNOSTICS
ELECTRIC MODULATED SUSPENSION
366
1997 LEXUS ES300 (RM511U)
DTC
41
Crankshaft Position Sensor Circuit
CIRCUIT DESCRIPTION
DTC No.
DTC Detecting Condition
Trouble Area
41
Engine speed 2,000 rpm or higher signal does not input.
Open or short circuit in between absorber control ECU and
ECM
ECM
Absorber control ECU
WIRING DIAGRAM
INSPECTION PROCEDURE
1
Check voltage between terminal NEO of absorber control ECU connector and
body ground.
PREPARATION:
(a)
Remove the No.1 lower panel (See page
).
(b)
Start the engine, run it at idle.
CHECK:
Measure voltage between terminal NEO of absorber control
ECU connector and body ground.
OK:
Voltage: 1 – 8 V
OK
Proceed to next circuit inspection shown on
problem symptoms table (See page
NG
DI0AM–01
–
DIAGNOSTICS
ELECTRIC MODULATED SUSPENSION
DI–215
367
1997 LEXUS ES300 (RM511U)
2
Check crankshaft position sensor (See page
OK
Go to step 4.
NG
3
Check harness and connectors between absorber control ECU and ECM
(See page
).
NG
Repair or replace harness or connector.
OK
Check and replace absorber control ECU.
4
Does malfunction disappear when a known good absorber control ECU is
installed?
YES
Check and replace absorber control ECU.
NO
Check and replace ECM.
W03892
Absorber Control ECU
Instrument Panel J/B
Junction
STP
J27
Stop Light Switch
Battery
26
Connector
W
2
1
G–W
A
A
G–W
G–W
1R
1R
4
5
A24
DI–216
–
DIAGNOSTICS
ELECTRIC MODULATED SUSPENSION
368
1997 LEXUS ES300 (RM511U)
DTC
42
Stop Light Switch Circuit
CIRCUIT DESCRIPTION
DTC No.
DTC Detecting Condition
Trouble Area
42
Stop light switch signal does not change.
Stop light switch
Open or short circuit in between absorber control ECU and
stop light switch
Error in other system that uses the same stop light switch
Absorber control ECU
WIRING DIAGRAM
INSPECTION PROCEDURE
1
Check operation of stop light.
CHECK:
Check that stop light comes on when brake pedal is depressed and goes off when brake pedal is released.
NG
Check stop light circuit (See page
).
OK
DI0AN–01
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст