Lexus ES300 (1997 year). Service manual - part 178
N17456
ON
OFF
2 1
N21587
Wire Harness Side
1 2
h–2–1–B
N20159
ON
OFF
Ohmmeter
–
BODY ELECTRICAL
INTERIOR LIGHT SYSTEM
BE–47
1431
1997 LEXUS ES300 (RM511U)
Tester connection
Condition
Specified condition
2 – Ground
Constant
Battery positive voltage
If the circuit is not as specified, inspect power source or wire
harness.
5.
INSPECT VANITY LIGHT CONTINUITY
Switch position
Tester connection
Specified condition
OFF (Closed)
–
No continuity
ON (Opened)
1 – 2
Continuity
If continuity is not as specified, replace the bulb or vanity light.
6.
INSPECT VANITY LIGHT SWITCH CIRCUIT
Disconnect the connector from the switch and inspect the con-
nector on the wire harness side.
Tester connection
Condition
Specified condition
2 – Ground
Constant
Continuity
1 – Ground
Constant
Battery positive voltage
If the circuit is not as specified, inspect power source or wire
harness.
7.
INSPECT DOOR COURTESY SWITCH CONTINUITY
(a)
Check that continuity exists between terminals and the
switch body with the switch ON (switch pin released:
opened door).
(b)
Check that no continuity exists between terminals and the
switch body with the switch OFF (switch pin pushed in:
closed doors).
If operation is not as specified, replace the switch.