Lexus ES300 (1997 year). Service manual — part 185

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)

V08445

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

23

MALFUNCTION WARNING

Ground terminal D5 and turn ignition switch ON.
Does check engine warning light light up?

Replace the 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 ”D” from meter.
Inspect connector on combination meter side as
follows.

Wire harness faulty between ECM and meter.

ECM faulty.

Yes

Yes

Yes

No

No

No

Yes

No

Abnormal operation or warning light
does not light up.

COMBINATION
METER

BE–76

–

BODY ELECTRICAL

COMBINATION METER

1460

1997 LEXUS ES300 (RM511U)

V08446

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 D7 and turn ignition switch ON.
Does ABS warning light 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 ”D” from meter.
Inspect connector on combination meter side as
follows.

Wire harness faulty between ABS ECU and meter.

ABS ECU faulty.

Yes

Yes

No

No

No

Yes

No

COMBINATION
METER

24

ABS WARNING

Abnormal operation or warning light
does not light up.

–

BODY ELECTRICAL

COMBINATION METER

BE–77

1461

1997 LEXUS ES300 (RM511U)

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)