Downloaded from www.Manualslib.com manuals search engine 8W-20 CHARGING SYSTEM
INDEX
page
SCHEMATICS AND DIAGRAMS........................................................... 1
DESCRIPTION AND OPERATION.......................................................... 3
Component Page
Automatic Shut Down Relay............8W-20-2
Battery............................8W-20-2
Capacitor...........................8W-20-2
Engine Starter Motor.................8W-20-2
Fuse 21 (PDC).......................8W-20-2
Fusible Link........................8W-20-2
G104..............................8W-20-2Component Page
G105..............................8W-20-2
Generator..........................8W-20-2
Power Distribution Center.............8W-20-2
Powertrain Control Module.............8W-20-2
S122..............................8W-20-2
S125..............................8W-20-2
8W - 20 - 2 8W - 20 CHARGING SYSTEMPL
Downloaded from www.Manualslib.com manuals search engine GENERATOR
ENGINE
STARTER
MOTOR
C24
GENERATOR
FIELD
DRIVERPOWERTRAIN
CONTROL
MODULE
K20
18
DG
A11
12
BK
A11
8
BK/GY
S125
21FUSE20A
21
57
60
POWER
DISTRIBUTION
CENTER BATTERY
A0
6
RD
A0 8RD
Z0
8
BK
Z1
10
BK
G104 G105
A142
18
DG/OR
6C161
A142
18
DG/OR
A142
18
DG/OR
S122
22
1
2
AUTOMATIC
SHUT
DOWN
RELAY
LINK FUSIBLE
CAPACITOR
(8W-30-11) (8W-10-10)(8W-10-4)
(8W-15-5) (8W-15-5)
(8W-10-10)
(8W-21-2)(8W-30-2)
8W - 20 - 2 8W-20 CHARGING SYSTEMPL-RHD
PL8W - 20 CHARGING SYSTEM 8W - 20 - 3
GENERAL INFORMATION (Continued)
Downloaded from www.Manualslib.com manuals search engine 8W-20 CHARGING SYSTEM
DESCRIPTION AND OPERATION
CHARGING SYSTEM
The charging system is an integral part of the bat-
tery and starter systems. Since all of these systems
work together, any diagnosis and testing should be
done in conjunction.
The charging system is protected by a 12 gauge
fusible link located in the A11 circuit. This fusible
link is between the generator and the starter.
The generator ground is provided through a case
ground in the generator to its attaching bracket. This
generator uses a voltage regulator internal to the
Powertrain Control Module (PCM).
When the vehicle is running, battery voltage is
applied to the generator field terminal through the
A142 circuit. This circuit is the output from the con-
tact side of the Automatic Shut Down (ASD) relay.
The ground, or voltage regulated side, of the genera-
tor field is controlled by the K20 circuit which con-
nects to cavity 4 of the PCM connector.
When there is current present in the field, and the
rotor is turning, the stator in the generator produces
a B+ voltage that is supplied to the battery through
the A11 and A0 circuits. The A11 circuit is connected
to the output terminal of the generator and connects
to the engine starter motor battery feed terminal.
The A0 circuit is a direct feed line from the battery
and connects to the engine starter motor.
Grounding for the system is accomplished at the
battery negative terminal. These grounds connect to
the engine and body.
HELPFUL INFORMATION
²Inspect for a blown fusible link in the A11 cir-
cuit between the generator and the starter motor.
²For additional information on charging system
diagnosis, refer to the appropriate section of the ser-
vice manual.
PL8W - 20 CHARGING SYSTEM 8W - 20 - 3
Downloaded from www.Manualslib.com manuals search engine 8W-21 STARTING SYSTEM
INDEX
page
SCHEMATICS AND DIAGRAMS........................................................... 1
DESCRIPTION AND OPERATION.......................................................... 3
Component Page
Battery............................8W-21-2
Clutch Pedal Position Switch...........8W-21-2
Engine Starter Motor.................8W-21-2
Engine Starter Motor Relay............8W-21-2
Fuse 11 (PDC).......................8W-21-2
Fusible Link........................8W-21-2
G101..............................8W-21-2
Generator..........................8W-21-2Component Page
Ignition Switch......................8W-21-2
Park/Neutral Position Switch...........8W-21-2
Power Distribution Center.............8W-21-2
Powertrain Control Module.............8W-21-2
S106..............................8W-21-2
S107..............................8W-21-2
S125..............................8W-21-2
S127..............................8W-21-2
8W - 21 - 2 8W - 21 STARTING SYSTEMPL
Downloaded from www.Manualslib.com manuals search engine 3130
2728
T40
14
BR
ENGINE
STARTER
MOTOR
RELAY
(IN PDC)
10
3 ACC 0 OFF
2 RUN
1 START
SWITCH
IGNITION BATT A1
YL/BK14 A41
M/T A/T
A41
14
YL
1C101
YL14 A412
1
SWITCH POSITION
PEDAL
CLUTCH
T141
14
YL/RD
BK18Z1
A/T M/T
Z1
18
BK
G101MOTOR STARTER
ENGINE
BR14 T40
30A
FUSE
11
11
A0
6
RD
CENTER DISTRIBUTION
POWER
1 2
A0
8
RD
BATTERY
1 PULL-IN
2 HOLD-IN S125
BK/GY8 A11
BK12 A11
GENERATOR
SENSE SWITCH POSITIONNEUTRALPARK/
MODULE
CONTROL
POWERTRAIN
S106
T41
18
BR/YL
T41
20
BR/YL
T41
20
BR/YL
76C1
PARK/
NEUTRAL
POSITION
SWITCH
2
1C160
LINK FUSIBLE
S107
3
0 2 1
8C241
A41
14
YL/BK
3C241
Z1
18
BK
S127
A41
14
YL/BK
12
(8W-10-5)
(8W-15-2)(8W-10-5)(8W-10-4) (8W-10-5)
(8W-20-2)
(8W-20-2)
(8W-30-12)
(8W-15-2)
M
8W - 21 - 2 8W-21 STARTING SYSTEMPL-RHD
PL8W - 21 STARTING SYSTEM 8W - 21 - 3
DESCRIPTION AND OPERATION (Continued)
Downloaded from www.Manualslib.com manuals search engine 8W-21 STARTING SYSTEM
DESCRIPTION AND OPERATION
STARTING SYSTEM- MANUAL TRANSMISSION
The Power Distribution Center (PDC) supplies bat-
tery voltage to the engine starter motor solenoid
through circuit T40 when the coil side of the engine
starter motor relay energizes. Circut A1 supplies the
battery voltage for the contact side of the relay. Cir-
cuit A1 and circuit T40 are protected by a 30 amp
fuse and feeds the contact side of the engine starter
motor relay. Both the 30 amp fuse and the engine
starter motor relay are located in the PDC.
The ignition switch supplies battery voltage to the
coil side of the engine starter motor relay on circuit
A41 when the key is moved to the START position
and the operator has pressed the clutch pedal to
CLOSE the clutch pedal position switch. Circuit Z1
supplies the ground for the coil side of the engine
starter motor relay. When the coil side of the relay
energizes, the contacts CLOSE, supplying battery
voltage to the engine starter motor solenoid.
Circuit A0 (battery positive cable) supplies battery
voltage to the motor of the starter when the solenoid
energizes.
HELPFUL INFORMATION
²Check for blown engine starter motor fuse in the
PDC.
²Move ignition key to the START position and
with the clutch pedal pressed, listen for starter motor
relay to click. The engine starter motor relay is
located in the PDC.
²Check for a good ground at starter motor.
²The left headlamp ground is the end point for
the starter relay coil ground circuit and is located at
the left side of the radiator closure panel.
STARTING SYSTEM (AUTOMATIC TRANSMISSION)
The Power Distribution Center (PDC) supplies bat-
tery voltage to the engine starter motor solenoid
through circuit T40 when the coil side of the engine
starter motor relay energizes. Circuit A1 supplies
battery voltage to the contact side of the relay. Cir-
cuit A1 and circuit T40 are protected by a 30 amp
fuse and feeds the contact side of the engine starter
motor relay. Both the 30 amp fuse and the engine
starter motor relay are located in the PDC.
The ignition switch supplies battery voltage to the
coil side of the engine starter motor relay on circuit
A41 when the key is moved to the START position
and the park/neutral portion of the park/neutral posi-
tion switch (3 speed transmission) is CLOSED.
Ground for the coil side of the engine starter motor
relay is supplied by circuit T41.Circuit A0 (battery positive cable) supplies battery
voltage to the motor of the engine starter when the
solenoid energizes.
HELPFUL INFORMATION
²Check for blown engine starter motor fuse in the
PDC.
²With the gear selector in the Park or Neutral
position, move ignition key to the START position
and listen for engine starter motor relay to click. The
engine starter motor relay is located in the PDC.
²Check for a good ground at engine starter motor.
PL8W - 21 STARTING SYSTEM 8W - 21 - 3
Downloaded from www.Manualslib.com manuals search engine 8W-30 FUEL/IGNITION SYSTEMS
INDEX
page
SCHEMATICS AND DIAGRAMS........................................................... 1
DESCRIPTION AND OPERATION......................................................... 14
Component Page
A/C Compressor Clutch Relay..........8W-30-11
A/C High Pressure Switch.............8W-30-11
Airbag Control Module................8W-30-4
Automatic Shut Down Relay..........8W-30-2, 3
Battery Temperature Sensor..........8W-30-3, 7
Camshaft Position Sensor...........8W-30-7, 13
Controller Anti-Lock Brake..........8W-30-4, 12
Crankshaft Position Sensor..........8W-30-7, 13
Data Link Connector................8W-30-2, 4
Downstream Heated Oxygen Sensor......8W-30-3
Duty Cycle Evap/Purge Solenoid.........8W-30-9
EGR Transducer Solenoid..............8W-30-9
Engine Coolant Temperature Sensor......8W-30-7
Fuel Injector No. 1...................8W-30-5
Fuel Injector No. 2...................8W-30-5
Fuel Injector No. 3...................8W-30-5
Fuel Injector No. 4...................8W-30-5
Fuel Pump Module..................8W-30-10
Fuel Pump Relay....................8W-30-10
Fuse 5 (FB)........................8W-30-12
Fuse 10 (FB).....................8W-30-9, 10
Fuse 10 (FB)........................8W-30-9
Fuse 21 (PDC)................8W-30-2, 3, 4, 10
Fuse 25 (PDC)......................8W-30-12
Fuse Block....................8W-30-9, 10, 12
G101..............................8W-30-3
G102.........................8W-30-2, 4, 12
G106..............................8W-30-2
G303.............................8W-30-10
Generator.........................8W-30-11
IAT/MAP Sensor.....................8W-30-6
Idle Air Control Motor.................8W-30-8
Ignition Coil Pack....................8W-30-5
Immobilizer Engine Sensor............8W-30-13
Immobilizer Sensor..............8W-30-3, 8, 13
Instrument Cluster...........8W-30-7, 8, 10, 11Component Page
Knock Sensor.......................8W-30-6
Noise Supressor.....................8W-30-5
Park/Neutral Position Switch..........8W-30-12
Power Distribution Center....8W-30-2, 3, 4, 10, 12
Power Steering Pressure Switch.........8W-30-4
Powertrain Control
Module . 8W-30-2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13
S101.............................8W-30-12
S102..............................8W-30-4
S104...........................8W-30-2, 12
S104............................8W-30-2, 4
S105............................8W-30-2, 4
S106.............................8W-30-12
S107..............................8W-30-3
S109...........................8W-30-9, 10
S110 ......................8W-30-3, 6, 7, 8, 13
S118 ..........................8W-30-3, 7, 8
S119 ..............................8W-30-3
S120........................8W-30-3, 6, 7, 8
S121..............................8W-30-5
S122..........................8W-30-2, 3, 5
S123.............................8W-30-13
S123............................8W-30-7, 8
S124..............................8W-30-6
S126..............................8W-30-9
S127..............................8W-30-3
S129.............................8W-30-13
S134..............................8W-30-5
S211 .............................8W-30-12
Solid State Fan Relay................8W-30-11
Stop Lamp Switch...................8W-30-12
Throttle Position Sensor...............8W-30-6
Torque Converter Clutch Solenoid........8W-30-9
Upstream Heated Oxygen Sensor........8W-30-3
Vapor Canister Leak Detector...........8W-30-9
Vehicle Speed Sensor...............8W-30-8, 13
8W - 30 - 2 8W - 30 FUEL/IGNITION SYSTEMSPL
Downloaded from www.Manualslib.com manuals search engine 21FUSE20A
21
POWER
DISTRIBUTION
CENTER BATT A0
AUTOMATIC
SHUT
DOWN
RELAY
61
60
5758
72
C14667C1
A14
16
RD/WT
A14
18
RD/WT
S105
FUSED
B(+)ASD
RELAY
CONTROLA142
18
DG/OR
6C161
A142
18
DG/OR
S122
K51
18
DB/YL
22
A142
18
DG/OR
A14
16
RD/WT
16
MODULE CONTROL
POWERTRAIN DATA
LINK
CONNECTOROUTPUTRELAYASD
C26
47C1
GROUND GROUND
C15071C1
GROUND GROUND
C210
G102
Z11
20
BK/WTZ12
18
BK/TN
S104
Z12
18
BK/TN
10C160
Z12
18
BK/TN
Z12
20
BK/TN
BK/OR18Z2
G106
(8W-10-10)(8W-10-4)
(8W-10-10)
(8W-30-4) (8W-10-4)
(8W-15-3) (8W-15-3)
(8W-15-5)
8W - 30 - 2 8W-30 FUEL/IGNITION SYSTEMPL-RHD
978W-1PLR03001