1987 TOYOTA CELICA Service Repair Manual

CH-2 CHARGING SY&EM - Precautions, Troubleshooting
._
: 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 while the engine is run-
ning.
Discharge warning
light does not light
with ignition ON and
engine not ‘running
Problem
Discharge warning
light does not go out
with engine running
(battery requires fre-
quent recharging
Possible cause
Fuse blown
Light burned out
Wiring connection loose
IC regulator faulty
TROUBLESHOOTING
Remedy
Check “CHG” and
“IGN” fuses
Replace light
Tighten loose connections
Replace IC regulator
Drive belt loose or worn
Battery cables loose, corroded or worn
Fuse blown
Fusible link blown
IC regulator or alternator faulty
Wiring faulty Adjust or replace drive belt
Repair or replace cables
Check “ENG” fuse
Replace fusible link
Check charging system
Repair wiring
Page
CH-7
CH-4
CH-3

:usible
.ink
4LT
MA/
‘M-GE)
,258 Ignition Switch
Fuse
AM2 -0p IG2 (MA) 15~4
c (MS) 7.5A
Fusible
Link
AM2 30A
:usible
-ink
I (MA)
I/IAIN 2.OL (MS)
T Battery
P
/
CHG 7.5 A
I
i
8
I I .
i
m
Alternator
1 ON-VEHICLE INSPECTION
1.
tieI
fel
i 002
CHECK BATTERY SPECIFIC GRAVITY
(a) Check the specific gravity of each cell.
Standard specific gravity
When fully charged at 20°C (66°F):
1.25 - 1.27
If not within specifications, charge the battery.
(b) Check the electro!yte quantity of each cell.
If insufficient, refill with distilled (or purified) water.
’ 2. CHECK BATTERY TERMINALS, FUSIBLE LINKS AND
FUSES
(a) Check that the battery terminals are not loose or cor-
roded.
(b) Check the fusible links and fuses for continuity.
c
CHOZRRI