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 (

BE–27

).

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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Текст

Политика конфиденциальности