Lexus SC300 / Lexus SC400. Manual - part 145

FUEL LID OPENER SYSTEM

Parts Location

Wiring and Connector Diagrams

–

BODY ELECTRICAL SYSTEM

Fuel Lid Opener System

BE–191

Parts Inspection
(Fuel Lid Opener Switch)
REMOVAL AND INSTALLATION OF FUEL
LID OPENER SWITCH

REMOVE AND INSTALL FUEL LID OPENER SWITCH

(a)  Remove No. 1 lower finish panel.

(See Instrument Panel on page 

BO–113

)

(b) Remove 

the key cylinder, then remove the fuel lid opener

switch assembly from the pad.

(c)  Install the opener switch assembly and key cylinder to

the pad.

(d)  Install the No. 1 lower finish panel.

(See Instrument Panel on page 

BO–116

)

INSPECTION OF FUEL LID OPENER
SWITCH

INSPECT SWITCH CONTINUITY

(a) Check 

that there is continuity between terminals with the

switch ON (Lever pulled).

(b)  Check that there is no continuity between terminals with

the switch OFF (Lever free).

If continuity is not as specified, replace the switch assembly.

(Fuel Lid Opener Solenoid)
REMOVAL AND INSTALLATION OF FUEL
LID OPENER SOLENOID

REMOVE AND INSTALL FUEL LID SOLENOID

(a)  Disconnect the connector from the solenoid.
(b)  Open the fuel lid and remove the solenoid lock nut, then

remove the solenoid.

(c)  Install the solenoid in place with the lock nut.
(d)  Connect the connector to the solenoid.

INSPECTION OF FUEL LID OPENER
SOLENOID

INSPECT SOLENOID OPERATION

(a)  Apply battery voltage to the terminals.
(b)  Check that the solenoid operates in the open direction.
If operation is not as specified, replace the solenoid.

BE–192

–

BODY ELECTRICAL SYSTEM

Fuel Lid Opener System

Troubleshooting

You will find the cause of trouble more easily by properly using the table shown below. In this table, the numbers
indicate the order or priority of the causes of trouble. Check each part in the order shown. If necessary, replace
the part.

See page

BE – 4, 20

BE – 192

BE – 192

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Trouble

Part Name

DOOR Fuse

Fuel Lid Opener Switch

Mirror Switch

Fuel Lid Opener Solenoid

Wire Harness

Fuel lid opener system does not operate

1

2

3

4

–

BODY ELECTRICAL SYSTEM

Fuel Lid Opener System

BE–193

CLOCK

Troubleshooting

HINT: Troubleshoot the clock according to the table below.

Clock will not operate

1

Clock loses or gains time

2

1

CLOCK WILL NOT OPERATE

(a)  Check that the battery voltage is 10–16 V.
If voltage is not as specified, replace the battery.
(b)  Check that the DOME fuse is not blown.
If the fuse is blown, replace the fuse and check for short.
(c)  Troubleshoot the clock as follows.
HINT: Inspect the connector on the wire harness side.

BE–194

–

BODY ELECTRICAL SYSTEM

Clock

Is there battery voltage between terminal
+B and body ground?

Is there continuity between terminal GND
and body ground?

Replace clock.

Open or short circuit in wire harness between
terminal +B and DOME fuse.

Open circuit in wire harness between
terminal GND and body ground.