Page 678 of 1202
CH065-01
- CHARGINGCHARGING SYSTEM
CH-1
677 Author: Date:
1996 TERCEL (RM440U)
CHARGING SYSTEM
PRECAUTION
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 running.
Page 679 of 1202

CH0H6-01
Z11580
Blue White Red
OK Charging
NecessaryInsufficient
Water
N00313
CH-2
- CHARGINGCHARGING SYSTEM
1996 TERCEL (RM440U)
ON-VEHICLE INSPECTION
1. CHECK BATTERY SPECIFIC GRAVITY AND ELEC-
TROLYTE LEVEL
(a) Check the electrolyte quantity of each cell.
If insufficient, refill with distilled (or purified) water.
(b) Check the specific gravity of each cell.
Standard specific gravity:
1.27 - 1.29 at 20°C (68°F)
If the specific gravity is less than specification, charge the bat-
tery.
HINT:
Check the indicator as shown in illustration.
2. CHECK BATTERY TERMINALS, FUSIBLE LINK AND
FUSES
(a) Check that the battery terminals are not loose or cor-
roded.
If the terminals are corroded, clean the terminals.
(b) Check the fusible link and fuses for continuity.
Fusible linkMAIN 2.0A
HfALT 100AH-fuseAM1 50A
AM2 15A
FGAUGE 15AFuseIGN 7.5A
ALT-S 7.5A
3. INSPECT DRIVE BELT
(a) Visually check the drive belt for excessive wear, frayed
cords etc.
If any defect is found, replace the drive belt.
HINT:
Cracks on the rib side of a drive belt are considered acceptable.
If the drive belt has chunks missing from the ribs, it should be
replaced.
Page 680 of 1202

N00280
DENSO
Borroughs
CH0087
CORRECTWRONG WRONG
P13685
CH0732
Disconnect Wire
from Terminal B
Generator
Voltmeter BatteryAmmeter
B
- CHARGINGCHARGING SYSTEM
CH-3
1996 TERCEL (RM440U)
(b) Using a belt tension gauge, check the drive belt tension.
Belt tension gauge:
DENSO BTG-20 (95506-00020)
Borroughs No. BT-33-73F
Drive belt tension:
New belt
Used belt160 ± 20 lbf
100 ± 20 lbf
If the belt tension is not as specified, adjust it.
HINT:
ºNew beltº refers to a belt which has been used less than
5 minutes on a running engine.
ºUsed beltº refers to a belt which has been used on a run-
ning engine for 5 minutes or more.
After installing a belt, check that it fits properly in the
ribbed grooved.
Check by hand to confirm that the belt has not slipped out
of the groove on the bottom of the pulley.
After installing a new belt, run the engine for about 5 min-
utes and recheck the belt tension.
4. VISUALLY CHECK GENERATOR WIRING AND
LISTEN FOR ABNORMAL NOISES
(a) Check that the wiring is in good condition.
(b) Check that there is no abnormal noise from the generator
while the engine is running.
5. INSPECT CHARGE WARNING LIGHT CIRCUIT
(a) Warm up the engine and then turn it off.
(b) Turn off all accessories.
(c) Turn the ignition switch ºONº. Check that the charge warn-
ing light is lit.
(d) Start the engine. Check that the light goes off.
If the light does not go off as specified, troubleshoot the charge
light circuit.
6. INSPECT CHARGING CIRCUIT WITHOUT LOAD
HINT:
If a battery/generator tester is available, connect the tester to
the charging circuit as per manufacturer's instructions.
(a) If a tester is not available, connect a voltmeter and amme-
ter to the charging circuit as follows:
Disconnect the wire from terminal B of the generator
and connect it to the negative (-) tester probe of the
ammeter.
Page 681 of 1202

P13734
Terminal F CH-4
- CHARGINGCHARGING SYSTEM
1996 TERCEL (RM440U)
Connect the positive (+) tester probe of the amme-
ter to terminal B of the generator.
Connect the positive (+) tester probe of the voltme-
ter to terminal B of the generator.
Ground the negative (-) tester probe of the voltme-
ter.
(b) Check the charging circuit as follows:
With the engine running from idling to 2,000 rpm, check
the reading on the ammeter and voltmeter.
Standard amperage: 10 A or less
Standard voltage:
at 25°C (77°F)13.9 - 15.1 V
at 115°C (239°F)13.5 - 14.3 V
If the voltmeter reading is greater than standard voltage, re-
place the voltage regulator.
If the voltmeter reading is less than standard voltage, check the
voltage regulator and generator as follows:
With terminal F grounded, start the engine and
check the voltmeter reading of terminal B.
If the voltmeter reading is greater than standard
voltage, replace the voltage regulator.
If the voltmeter reading is less than standard volt-
age, check the generator.
7. INSPECT CHARGING CIRCUIT WITH LOAD
(a) With the engine running at 2,000 rpm, turn on the high
beam headlights and place the heater blower switch at
ºHIº.
(b) Check the reading on the ammeter.
Standard amperage: 30 A or more
If the ammeter reading is less than the standard amperage, re-
pair the generator.
HINT:
If the battery is fully charged, the indication will sometimes be
less than standard amperage.
Page 682 of 1202
CH0H8-01
- CHARGINGGENERATOR
CH-5
681 Author: Date:
1996 TERCEL (RM440U)
GENERATOR
COMPONENTS
Page 683 of 1202
CH0H9-01
P13685
P21508
Adjusting Bolt
Pivot Bolt
CH-6
- CHARGINGGENERATOR
1996 TERCEL (RM440U)
REMOVAL
1. DISCONNECT CONNECTOR AND WIRE FROM
GENERATOR
(a) Disconnect the connector from the generator.
(b) Remove the connector cover and nut, and disconnect the
wire from the generator.
2. REMOVE DRIVE BELT
Loosen the pivot bolt and adjusting bolt, and remove the drive
belt.
Torque:
Pivot bolt: 41 N´m (420 kgf´cm, 30 ft´lbf)
Adjusting bolt: 12 N´m (120 kgf´cm, 9 ft´lbf)
3. REMOVE GENERATOR
(a) Remove the pivot bolt, nut and adjusting bolt.
(b) Remove the generator.
Page 684 of 1202
P13686
CH0HA-01
Z10245
Type A
Z14809
Type B
P13644
P13688
- CHARGINGGENERATOR
CH-7
1996 TERCEL (RM440U)
DISASSEMBLY
1. REMOVE REAR END COVER
(a) Remove the nut and terminal insulator.
(b) Type A:
Remove the 3 nuts and end cover.
(c) Type B:
Remove the 3 bolts and end cover.
2. REMOVE BRUSH HOLDER AND VOLTAGE
REGULATOR
(a) Remove the 5 screws, brush holder and voltage
regulator.
(b) Remove the brush holder cover from the brush holder.
Page 685 of 1202
Z19162
Type A
Z14812
Type B
P04209
SST(A)
Turn SST(B)
P04210
SST (C)
CH-8
- CHARGINGGENERATOR
1996 TERCEL (RM440U)
3. Type A
REMOVE RECTIFIER HOLDER
(a) Remove the 4 screws and rectifier holder.
(b) Remove the 4 rubber insulators.
4. Type B:
REMOVE RECTIFIER HOLDER
(a) Remove the 4 screws.
(b) Using needle-nose pliers, straighten the stator lead wire.
(c) Remove the rectifier holder.
5. REMOVE PULLEY
(a) Hold SST (A) with a torque wrench, and tighten SST (B)
clockwise to the specified torque.
SST 09820-63010
Torque: 39 N´m (400 kgf´cm, 29 ft´lbf)
(b) Check that SST (A) is secured to the rotor shaft.
(c) Mount SST (C) in a vise.
(d) Insert SST (B) into SST (C), and attach the pulley nut to
SST (C).