Lexus ES300 (1997 year). Manual — part 254
V08449
Is bulb OK?
Disconnect connector ”A” and ”B” 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.
Replace fuse. Then recheck system.
No
Yes
Replace bulb.
Then recheck system.
Turn ignition switch ON.
Is there battery positive voltage between terminal
and ground?
Replace circuit plate.
Replace combination
meter computer.
Then recheck system.
Temporarily install another circuit plate.
Is operation normal?
Open circuit in wire harness between IGN fuse
and meter.
Is IGN fuse normal?
Wire harness faulty between generator and meter.
Yes
No
No
No
Yes
No
COMBINATION
METER
27
DISCHARGE WARNING
Abnormal operation or warning light
does not light up.
Yes
Inspect connector on meter side as follows.
Yes
Yes
Connect negative (–) lead from tester to terminal A10
and positive (+) lead to terminal B2 of meter.
Is there continuity between terminals?
Connect connectors ”A” and ”B” to meter.
Disconnect connector from generator.
Does warning light light up?
Inspect generator.
No
BE–80
–
BODY ELECTRICAL
COMBINATION METER
1464
1997 LEXUS ES300 (RM511U)
V08450
Is bulb OK?
Disconnect connector ”C” 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.
No
Yes
Replace bulb.
Then recheck system.
Turn light control switch to HEAD and headlight dimmer
switch to HI.
Is there battery positive voltage between terminal C5
and ground?
Replace circuit plate.
Replace combination
meter computer.
Then recheck system.
Temporarily install another circuit plate.
Is operation normal?
Yes
No
Yes
No
COMBINATION
METER
28
HIGH BEAM INDICATOR
Abnormal operation or indicator
does not light up.
Yes
Inspect connector on meter side as follows.
Yes
Turn headlight dimmer switch to FLASH.
Does headlight high beam light up?
Inspect headlight and taillight system (
Is there continuity between terminal C3 and C5 of
meter?
Wire harness faulty between meter and:
1 (USA) headlight dimmer switch
2 (CANADA) ground
Wire harness faulty between meter and:
1 (USA) HEAD (RH) fuse
2 (CANADA) daytime running light relay No.3
No
No
–
BODY ELECTRICAL
COMBINATION METER
BE–81
1465
1997 LEXUS ES300 (RM511U)
V08451
Disconnect connector ”D” 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.
Yes
29
WINDOW WASHER LEVEL
WARNING SWITCH
Abnormal operation or indicator
does not light up.
No
Ground terminal D10 and turn ignition switch ON.
Does washer level warning light light up?
Is bulb OK?
Is operation normal?
Replace the circuit plate.
Inspect alternator and wire harness between D10
of meter and generator.
Replace the bulb. Then recheck system.
Replace the switch. Then recheck system.
INSPECT WINDOW WASHER LEVEL
WARNING SWITCH (See page
Yes
Yes
No
No
Disconnect connector ”B” from meter.
Inspect connector on combination meter side.
HINT : While carrying out the following inspection, make certain that the connectors and terminals are properly con-
nected.
Yes
30
SLIP INDICATOR
Abnormal operation or indicator does not
light up.
No
Ground terminal B4 and turn ignition switch ON.
Does SLIP indicator light light up?
Is bulb OK?
Replace the circuit plate.
Inspect the wire harness between terminal B4 of
meter and ABS & TRAC ECU, or inspect ABS &
TRAC ECU.
Replace the bulb. Then recheck system.
Replace power source unit.
Yes
Yes
No
BE–82
–
BODY ELECTRICAL
COMBINATION METER
1466
1997 LEXUS ES300 (RM511U)
V08452
Disconnect connectors ”C” 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
31
Ground terminal B7 and turn the light control
switch to TAIL. Does taillight indicator light up?
Is bulb OK?
Replace circuit plate.
No
Abnormal operation or indicator
does not light up.
TAILLIGHT INDICATOR
Turn the light control switch to TAIL.
Does taillight light up?
Inspect headlight and taillight system.
(See page
).
Wire harness faulty between meter and:
Light control switch.
Taillight Relay, Panel Relay (CANADA)
Is there battery positive voltage (0 V
↔
battery
positive voltage) between following terminals with
light control switch TAIL?
C5 and ground.
Connect connectors ”B” to meter.
Disconnect connector ”B” from meter.
Inspect connector on combination meter side as
follows.
Open circuit in wire harness between terminal
B7 of meter and ground.
Ground faulty.
Temporarily install another circuit plate.
Is operation normal?
Replace bulb.
Then recheck system.
Replace combination
meter computer.
Then recheck system.
No
Yes
Yes
Yes
Yes
No
No
No
COMBINATION
METER
–
BODY ELECTRICAL
COMBINATION METER
BE–83
1467
1997 LEXUS ES300 (RM511U)
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