Charging System Troubleshooting; Precautions - Toyota 3F-E Repair Manual Supplement

CH-2
Problem
Discharge warning
li ght does not light
with ignition ON and
and engine not
running
Discharge warning
li ght does not go
out with engine
running (battery
requires frequent
recharging)
CHARGING SYSTEM — Precautions, Troubleshooting

PRECAUTIONS

1.
2.
3.
4.
TROUBLESHOOTING
Possible cause
Fuse blown
Light burned out
Wiring connections loose
IC regulator faulty
Drive belt loose or worn
Battery cables loose, corroded or worm
Fuse blown
Fusible link blown
IC regulator or alternator faulty
Wiring faulty
Check that the battery cables are connected to the
correct terminals.
Disconnect the battery cables when the battery is
given a quick charge.
Do not perform tests with a high voltage insulation
resistance tester.
Never disconnect the battery while the engine is run-
ning.
Check "CHARGE" and "GAUGE"
fuses
Replace light
Tighten loose connections
Replace IC regulator
Adjust or replace drive belt
Repair or replace cables
Check "ENGINE" fuse
Replace fusible link
Check charging system
Repair wiring
Remedy Page
CH-8
CH-4
CH-5