Lexus LS400 (2000 year). Service manual — part 64

Z09515

Z08759

Wire Harness Side

BE–84

–

BODY ELECTRICAL

WIPER AND WASHER SYSTEM

1947

7.

INSPECT WASHER MOTOR OPERATION

Connect the positive (+) lead from the battery to terminal 2 and
the negative (–) lead to terminal 1, and check that the motor op-
erates.
NOTICE:
This test must be performed quickly (within 20 seconds) to
prevent the coil from burning out.
If operation is not as specified, replace the motor.

8.

INSPECT WASHER MOTOR CIRCUIT

Disconnect the connector from the washer motor and inspect
the connector on harness side, as shown.

Tester connection

Condition

Specified condition

2 – Ground

Constant

Battery positive voltage

If circuit is not as specified, inspect wire harness, power source
or wiper switch.

BE0BZ–01

I03444

Engine Coolant Temperature
Sender Gauge

Brake Fluid Level Warning Switch

Washer Level Warning Switch

Low Oil Pressure Pressure Warning Switch

Combination
Meter

Twin Trip &
Odo Switch

Hazard Warning
Switch

Suspension ECU

Engine Oil Level Warning
Switch

Parking Brake Switch

Airbag Sensor
Assembly

Photo Detecting
Switch

Body ECU

Ignition Switch

Pattern Select
Switch

ECU

ABS & TRAC
ECU

Door Lock Assembly

Door Lock Motor

Door Unlock Detection Switch

Park/Neutral
Position Switch

Multi–information
Display Switch

Fuel Sender Gauge

Light Failure Sensor

–

BODY ELECTRICAL

COMBINATION METER

BE–85

1948

COMBINATION METER

LOCATION

BE0C0–01

I03268

Connector ”A”

Connector ”B”

Connector ”C”

Connector ”C”

Connector ”B”

Connector ”A”

BE–86

–

BODY ELECTRICAL

COMBINATION METER

1949

CIRCUIT

1.

WIRING DIAGRAMS

I03269

Connector ”G”

Connector ”X”

Connector ”F”

Connector ”W”

Connector ”H”

Connector ”E”

Connector ”P”

Connector ”Z”

Connector ”Q”

Connector ”Y”

Connector ”O”

Connector ”E” Connector ”F” Connector ”G” Connector ”H”

Connector ”O”

Connector ”P” Connector ”Q”

Connector ”X”, ”Y”

Connector ”Y”, ”Z”

”J”, ”K”, ”L”, ”M”

Connector ”G”

Connector ”F”

Connector ”E”

Circuit Plate

L1

L2

J1

J2

K2

K1

M1

M2

–

BODY ELECTRICAL

COMBINATION METER

BE–87

1950