Lexus SC300 / Lexus SC400. Manual — part 691
INSPECTION OF MIRROR DEFOGGER
INSPECT MIRROR DEFOGGER
(a) Connect
the positive (+) lead from the battery to terminal 7 (4)
and the negative (–) lead to terminal 8 (5).
(b) Check that the mirror becomes warm.
HINT: It will take a short time for the mirror to become warm.
If the mirror does not become warm, replace the mirror as-
sembly.
( ): w/o Driving Position Memory
Troubleshooting
You will find the cause of trouble more easily using the table shown below. In this table, the number indicate
the order priority of the causes in trouble. Check each part in the order shown. If necessary, replace the parts.
Refer to 1992 LEXUS SC300 Repair Manual (Pub. No. RM260U2)
See page
BE–4
,
20
BE–4
,
20
BE–4
,
22
BE–172
BE–173
BE–173
BE–174
–
BODY ELECTRICAL SYSTEM
Defogger System
BE–55
CHARGING SYSTEM
CHARGING SYSTEM
CH–1
DESCRIPTION
The alternator is a small, high–rpm, high–performance type with an IC regulator incorporated. The IC regula-
tor uses integrated circuits and controls the voltage produced by the alternator.
PRECAUTIONS
1.
Check that the battery cables are connected to the correct terminals.
2.
Disconnect the battery cables when the battery is given a quick charge.
3.
Do not perform tests with a high voltage insulation resistance tester.
4.
Never disconnect the battery when the engine is running.
CH–2
–
CHARGING SYSTEM
Description, Precautions
DESCRIPTION
The alternator is a small, high–rpm, high–performance type with an IC regulator incorporated. The IC regula-
tor uses integrated circuits and controls the voltage produced by the alternator.
PRECAUTIONS
1.
Check that the battery cables are connected to the correct terminals.
2.
Disconnect the battery cables when the battery is given a quick charge.
3.
Do not perform tests with a high voltage insulation resistance tester.
4.
Never disconnect the battery when the engine is running.
CH–2
–
CHARGING SYSTEM
Description, Precautions
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