Lexus ES300 (1997 year). Service manual — part 252
V08441
17
No
Replace fuse. Then recheck system.
Open circuit in wire harness between GAUGE fuse
and meter.
Temporarily install another circuit plate.
Is operation normal?
Is bulb OK?
Replace bulb.
Then recheck system.
Replace circuit plate.
Replace combination
meter computer.
Then recheck system.
No
No
No
Yes
Yes
No
No
Wire harness faulty between terminal C7 of meter
and terminal 1 of engine oil level warning switch.
Disconnect connector ”D” from meter.
Inspect connector on wire harness side as follows.
HINT : While carrying out the following inspection, make certain that the connectors and terminals are properly con-
nected.
Yes
COMBINATION
METER
Is GAUGE fuse normal?
Connect connector ”D” to meter.
Disconnect connector ”C” from meter.
Turn ignition switch ON.
Does engine oil level warning light light up after
approximately 40 secs.?
Turn ignition switch ON.
Is there battery positive voltage between terminal
D3 and ground?
INSPECT ENGINE OIL LEVEL WARNING LIGHT
(See page
)
Yes
Yes
Is operation normal?
INSPECT ENGINE OIL LEVEL WARNING SWITCH
(See page
)
Yes
If operation is not as specified, replace the switch.
Then recheck system.
ENGINE OIL LEVEL WARNING
Abnormal operation or warning light
does not light up.
BE–72
–
BODY ELECTRICAL
COMBINATION METER
1456
1997 LEXUS ES300 (RM511U)
V08442
18
V08441
No
Replace fuse. Then recheck system.
Open circuit in wire harness between GAUGE fuse
and meter.
Temporarily install another circuit plate.
Is operation normal?
Is bulb OK?
Replace bulb.
Then recheck system.
Replace circuit plate.
Replace combination
meter computer.
Then recheck system.
No
No
No
Yes
Yes
No
No
Wire harness faulty between terminal C7 of meter
and terminal 1 of engine oil level warning switch.
Disconnect connector ”D” from meter.
Inspect connector on wire harness side as follows.
HINT : While carrying out the following inspection, make certain that the connectors and terminals are properly con-
nected.
Yes
COMBINATION
METER
Is GAUGE fuse normal?
Connect connector ”D” to meter.
Disconnect connector ”A” from meter.
Inspect connector on combination meter side as follows.
Turn ignition switch ON.
Is there battery positive voltage between terminal
D3 and ground?
INSPECT SEAT BELT WARNING LIGHT
(See page
)
Yes
Yes
Is operation normal?
INSPECT INTEGRATION RELAY CIRCUIT
(See page
)
Yes
If circuit is not as specified, replace integration relay.
Then recheck system.
SEAT BELT WARNING
Abnormal operation or warning light
does not light up.
Ground terminal A8 and turn ignition switch ON.
Does seat belt warning light light up?
–
BODY ELECTRICAL
COMBINATION METER
BE–73
1457
1997 LEXUS ES300 (RM511U)
V08443
19
Is bulb OK?
Replace the bulb. Then recheck system.
Disconnect connector ”D” from meter.
Inspect connector on wire harness side as follows.
HINT : While carrying out the following inspection, make certain that the connectors and terminals are properly con-
nected.
Turn ignition switch ON.
Is there battery positive voltage between terminals
xx and ground with the turn signal lever to left and
right?
Yes
Abnormal operation or warning light
does not light up.
Turn signal indicator signal circuit faulty.
Inspect the turn signal and hazard warning light
system.
Replace circuit plate. Then recheck system.
Turn signal to
Terminal xx
Left
B11
Right
B13
No
TURN SIGNAL INDICATOR
Yes
No
20
Is bulb OK?
Replace the bulb. Then recheck system.
Inspect connector on wire harness side as follows.
HINT : While carrying out the following inspection, make certain that the connectors and terminals are properly con-
nected.
Ground terminal D6 and turn ignition switch ON.
Does TRAC OFF indicator light up?
Yes
Abnormal operation or indicator does
not light up.
Inspect the wire harness between terminal D6 of
meter and ABS & TRAC ECU or inspect ABS &
TRAC ECU.
Replace circuit plate. Then recheck system.
No
TRAC OFF INDICATOR
Yes
No
Replace power source unit.
No
Yes
BE–74
–
BODY ELECTRICAL
COMBINATION METER
1458
1997 LEXUS ES300 (RM511U)
V08444
Is bulb OK?
Replace the bulb.
Disconnect connector ”B” from meter.
Inspect connector on combination meter side as
follows.
HINT : While carrying out the following inspection, make certain that the connectors and terminals are properly con-
nected.
Abnormal operation or indicator does
not light up.
Replace circuit plate. Then recheck system.
Yes
No
Yes
No
21
O/D OFF INDICATOR
Ground terminal B5 and turn ignition switch ON.
Does O/D OFF indicator light up?
O/D OFF indicator signal circuit faulty.
HINT : While carrying out the following inspection, make certain that the connectors and terminals are properly con-
nected.
Disconnect connector ”D” from meter.
Inspect connector on wire harness side as follows.
Is bulb OK?
Replace circuit plate. Then recheck system.
Replace the bulb. Then recheck system.
Shift position indicator signal circuit faulty.
22
SHIFT POSITION INDICATOR
Turn ignition switch ON.
Is there battery positive voltage between terminals
XX and ground with turn shift lever to P through L
Shift to
Terminal XX
P
B12
R
B14
N
C1
D
C2
2
B10
L
B9
Abnormal operation or indicator does
not light up.
Yes
Yes
No
No
–
BODY ELECTRICAL
COMBINATION METER
BE–75
1459
1997 LEXUS ES300 (RM511U)
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