Lexus GS300/400 (2000 year). Service manual — part 87
I04051
Wire Harness Side
I04061
Open
Close
1
2
BE–62
–
BODY ELECTRICAL
INTERIOR LIGHT SYSTEM
2363
6.
INSPECT VANITY LIGHT CIRCUIT
Disconnect the connector from the light and inspect the con-
nector on the wire harness side, as shown.
Tester connection
Condition
Specified condition
2 – Ground
Constant
Continuity
1 – Ground
Constant
Battery positive voltage
If circuit is not as specified, inspect power source or wire har-
ness.
7.
Front door:
INSPECT DOOR COURTESY SWITCH CONTINUITY
(a)
Connect the connector to the front door ECU.
(b)
Check that continuity exists between terminals 1 and 2
when door is opened.
(c)
Check that no continuity exists between terminals 1 and
2 when door is closed.
If continuity is not as specified, replace the switch.
8.
Front door:
INSPECT DOOR COURTESY SWITCH CIRCUIT
Driver side: (See page
Passenger side: (See page
I04066
Open
Close
1
2
I04052
e–2–2–J
2
1
I04053
Wire Harness Side
I04054
1
2
–
BODY ELECTRICAL
INTERIOR LIGHT SYSTEM
BE–63
2364
9.
Rear door:
INSPECT DOOR COURTESY SWITCH CONTINUITY
(a)
Connect the connector to the rear door ECU.
(b)
Check that continuity exists between terminals 1 and 2
when door is opened.
(c)
Check that no continuity exists between terminals 1 and
2 when door is closed.
If continuity is not as specified, replace the switch.
10.
Rear door:
INSPECT DOOR COURTESY SWITCH CIRCUIT
Rear LH side: (See page
)
Rear RH side: (See page
11.
INSPECT DOOR COURTESY LIGHT CONTINUITY
Using an ohmmeter, check that continuity exists between termi-
nals.
If continuity is not as specified, replace the light assembly or
bulb.
12.
INSPECT DOOR COURTESY LIGHT CIRCUIT
Driver side: (See page
Passenger side: (See page
)
Rear RH side: (See page
13.
INSPECT LUGGAGE COMPARTMENT DOOR COUR-
TESY SWITCH CONTINUITY
Switch position
Tester connection
Specified condition
OFF (closed)
–
No continuity
ON (opened)
2 – Switch body
Continuity
If continuity is not as specified, replace the switch.
I04185
Wire Harness Side
I04056
e–2–2–J
I04053
Wire Harness Side
BE–64
–
BODY ELECTRICAL
INTERIOR LIGHT SYSTEM
2365
14.
INSPECT LUGGAGE COMPARTMENT DOOR COUR-
TESY SWITCH CIRCUIT
(See page
Disconnect the connector from the switch and inspect the con-
nector on the wire harness side, as shown.
Tester connection
Condition
Specified condition
2 – Body ground
Luggage compartment door courtesy switch ON
(door opened)
Continuity
If circuit is not as specified, inspect power source or wire har-
ness.
15.
INSPECT LUGGAGE COMPARTMENT LIGHT CONTI-
NUITY
Using an ohmmeter, check that continuity exists between termi-
nals.
If continuity is not as specified, replace the light assembly or
bulb.
16.
INSPECT LUGGAGE COMPARTMENT LIGHT CIR-
CUIT
Disconnect the connector from the light and inspect the con-
nector on the wire harness side, as shown.
Tester connection
Condition
Specified condition
1 – Body ground
Constant
Continuity
If circuit is not as specified, inspect power source or wire har-
ness.
I04057
ON
OFF
1
2
I04058
Wire Harness Side
1
2
I04059
e–2–2–J
1
2
–
BODY ELECTRICAL
INTERIOR LIGHT SYSTEM
BE–65
2366
17.
INSPECT GLOVE COMPARTMENT DOOR COURTE-
SY SWITCH CONTINUITY
Switch position
Tester connection
Specified condition
OFF (closed)
–
No continuity
ON (opened)
1 – 2
Continuity
If continuity is not as specified, replace the switch.
18.
INSPECT GLOVE COMPARTMENT DOOR COURTE-
SY SWITCH CIRCUIT
Disconnect the connector from the switch and inspect the con-
nector on the wire harness side, as shown.
Tester connection
Condition
Specified condition
2 – Ground
Constant
Continuity
1 – Ground
Light control switch OFF
No voltage
1 – Ground
Light control switch TAIL or HEAD
Battery positive voltage
If circuit is not as specified, inspect power source or wire har-
ness.
19.
INSPECT GLOVE COMPARTMENT LIGHT CONTINU-
ITY
Using an ohmmeter, check that continuity exists between termi-
nals.
If continuity is not as specified, replace the light assembly or
bulb.
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