Lexus ES300 (1997 year). Manual - part 532

SF06V–01

S04504

P03193

Oil

Ohmmeter

SF–62

–

SFI

EXHAUST GAS RECIRCULATION (EGR) GAS 
TEMPERATURE SENSOR

913

1997 LEXUS ES300   (RM511U)

INSPECTION

1.

REMOVE THROTTLE BODY
(See page 

SF–33

)

2.

REMOVE EGR GAS TEMPERATURE SENSOR

3.

INSPECT EGR GAS TEMPERATURE SENSOR

Using an ohmmeter, measure the resistance between the ter-
minals.

Resistance:
64 – 97 k

Ω

 at 50

°

C (122

°

F)

11 – 16 k

Ω

 at 100

°

C (212

°

F)

2 – 4 k

Ω

 at 150

°

C (302

°

F)

If the resistance is not as specified, replace the sensor.
4.

REINSTALL EGR GAS TEMPERATURE SENSOR

5.

REINSTALL THROTTLE BODY
(See page 

SF–35

)

S05163

Bank 1 Sensor 2

+B

HT

Ohmmeter

SF06Y–01

–

SFI

HEATED OXYGEN SENSOR (Bank 1 Sensor 2)

SF–63

914

1997 LEXUS ES300   (RM511U)

HEATED OXYGEN SENSOR (Bank
1 Sensor 2)

INSPECTION

INSPECT HEATER RESISTANCE OF HEATED OXYGEN
SENSOR (Bank 1 Sensor 2)
(a)

Remove the driver’s seat.

(b)

Take out the floor carpet.

(c)

Disconnect the oxygen sensor connector.

(d)

Using an ohmmeter, measure the resistance between the
terminals +B and HT.
Resistance: 11 – 16 

Ω

 at 20

°

C (68

°

F)

If the resistance is not as specified, replace the sensor.

Torque: 44 N·m (440 kgf·cm, 31 ft·lbf)

(e)

Reconnect the oxygen sensor connector.

(f)

Reinstall the floor carpet.

(g)

Reinstall the driver’s seat.

B01025

ECM

ECM Connector

No.2 Instrument
Lower Panel

Under Cover

Cowl Side Trim

Front Door Inside Sculf Plate

SF06Z–01

SF–64

–

SFI

ENGINE CONTROL MODULE (ECM)

915

1997 LEXUS ES300   (RM511U)

ENGINE CONTROL MODULE (ECM)

COMPONENTS

SF070–01

–

SFI

ENGINE CONTROL MODULE (ECM)

SF–65

916

1997 LEXUS ES300   (RM511U)

INSPECTION

1.

REMOVE ECM

2.

INSPECT ECM (See page 

DI–19

)

3.

REINSTALL ECM