Lexus ES300 (1997 year). Service manual — part 118
V08447
Is bulb OK?
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.
Replace fuse. Then recheck system.
No
Yes
Ground terminal A4 and turn ignition switch ON.
Does CRUISE indicator light up?
Replace bulb.
Then recheck system.
Turn ignition switch ON.
Is there battery positive voltage between terminal
D3 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 GAUGE fuse
and meter.
Is GAUGE fuse normal?
Connect connector ”D” to meter.
Disconnect connector ”A” from meter.
Inspect connector on combination meter side as
follows.
Wire harness faulty between cruise control ECU
and meter.
Cruise control ECU faulty.
Yes
Yes
No
No
No
Yes
No
COMBINATION
METER
25
CRUISE INDICATOR
Abnormal operation or indicator
does not light up.
Yes
BE–78
–
BODY ELECTRICAL
COMBINATION METER
1462
1997 LEXUS ES300 (RM511U)
V08448
Is bulb OK?
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.
Replace fuse. Then recheck system.
No
Yes
Replace bulb.
Then recheck system.
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 ECU–B fuse
and meter.
Is ECU–B fuse normal?
Wire harness faulty between center airbag
sensor assembly and meter.
Center airbag sensor assembly faulty.
Yes
No
No
No
Yes
No
COMBINATION
METER
26
SRS WARNING
Abnormal operation or warning light
does not light up.
Yes
Inspect connector on meter side as follows.
Is there continuity between terminals D8 and D9 of
meter?
Yes
–
BODY ELECTRICAL
COMBINATION METER
BE–79
1463
1997 LEXUS ES300 (RM511U)
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)
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