CHARGING SYSTEM
ENGINE ELECTRICAL16-5
OUTPUT CURRENT TESTM1161001000368
This test determines whether the alternator output
current is normal.
1. Before the test, always be sure to check the
following.
•Alternator installation
•Battery (Refer to GROUP 54A − Battery −
On-vehicle Service P.54A-5).
NOTE: The battery should be slightly discharged.
The load needed by a fully-charged battery is
insufficient for an accurate test.
•Drive belt tension
(Refer to GROUP 11A − On-vehicle Service <4G1>
P.11A-7 or GROUP 11C − On-vehicle Service
<4G6> P.11C-7.)
•Fusible link
•Abnormal noise from the alternator while the
engine is running.
2. Turn the ignition switch to the "LOCK" (OFF)
position.
3. Disconnect the negative battery cable.CAUTION
Never use clips but tighten bolts and nuts to
connect the line. Otherwise loose connections
(e.g. using clips) will lead to a serious accident
because of high current.
4. Connect a clamp-type DC test ammeter with a
range of 0 − 120 A to the alternator "B" terminal
output wire.
NOTE: The way of disconnecting the alternator
output wire and of connecting the ammeter is
possibly not found the problem that the output
current is dropping due to the insufficient
connection between terminal "B" and the output
wire.
5. Connect a voltmeter with a range of 0 − 20 V
between the alternator "B" terminal and the earth
[Connect the (+) lead of the voltmeter to the "B"
terminal, and then connect the (-) lead of the
voltmeter to the earth].
6. Connect the negative battery cable.
AK203362
Alternator Ammeter
(clamp-type)
Voltmeter
Battery Inition switch
Engine-ECU
Engine-A/T-ECU
Load
B
FR
L
S
G +
AH
–
Charging indicator
Brake warning light
FLOOR AND ROOF
CONFIGURATION DIAGRAMS80-22
FLOOR AND ROOF
FLOOR AND ROOF
AC301155
D-06
D-07
D-05 D-04 D-03 D-02 D-01
D-35
D-34
D-33
D-32
D-31
D-30
D-29
D-25
D-28D-27 D-24
D-23 Y
Y
YFloor wiring
harness (LH) Floor wiring
harness (RH)
Instrument panel
wiring harnessConnector
symbol
D
D-26
Roof wiring
harness
Connector colour
code
B : Black
BR : Brown
G : Green
GR : Gray
L : Blue
None : Milk white
O : Orange
R : Red
V : Violet
Y : Yellow
Antenna
feeder cable
D-08
D-13
D-14
D-15
D-16
D-17
D-18
D-19 D-20
D-21 D-22Y
YFuel wiring
harness
7
17
Y
Y
AC
Y
Y D-04 D-36 D-06 D-37
Roof wiring
harness
Antenna
feeder cable
D-01 (2) Side impact sensor (Front: RH)
D-02 (3) Door switch (Front: RH)
D-03 (8) Floor wiring harness (RH) and rear door
wiring harness (RH) combination
D-04 (2) Front room lamp
D-05 (2-B) Wheel speed sensor (Rear: RH)
D-06 (2-GR) Rear room lamp
D-07 (3) Door switch (Rear: RH)
D-08 (2-Y) Side impact sensor (Rear: RH)
D-13 (3-B) Fuel tank gauge unit
D-14 (2-Y) Side impact sensor (Rear: LH)
D-15 (3) Door switch (Rear: LH)
D-16 (5-GR) Fuel tank pump
D-17 (2-B) Wheel speed sensor (Rear: LH)
D-18 (8) Floor wiring harness (LH) and fuel wiring
harness combination
D-19 (8) Floor wiring harness (LH) and rear door
wiring harness (LH) combination
D-20 (3) Door switch (Front: LH)D-21 (2) Side impact sensor (Front: LH)
D-22 (2-B) Seat belt pre-tensioner (LH)
D-23 (2-R) Side air bag module (squib) (LH)
D-24 (3) Heated seat assembly (LH)
D-25 (9) Heated seat switch
D-26 (4) Instrument panel wiring harness and
console wiring harness combination
D-27 (6) Shift switch assembly
D-28 (1) Cigarette lighter
D-29 (1-B) Cigarette lighter
D-30 (2-B) Cigarette lighter illumination lamp
D-31 (2-B) Ashtray illumination lamp
D-32 (3) Heated seat assembly (RH)
D-33 (2-R) Side air bag module (squib) (RH)
D-34 (1-B) Parking brake switch
D-35 (2-B) Seat belt pre-tensioner (RH)
D-36 (2-B) Curtain air bag module (squib) (RH)
D-37 (2-B) Curtain air bag module (squib) (LH)
FLOOR AND ROOF
CONFIGURATION DIAGRAMS80-23
FLOOR AND ROOF
AC301158
D-06
D-07
D-05 D-04 D-03 D-02 D-01
D-35
D-34
D-33
D-31
D-30
D-29
D-28D-27
D-23 Y
Y
YFloor wiring
harness (LH) Floor wiring
harness (RH)
Instrument panel
wiring harnessConnector
symbol
D
D-26
Roof wiring
harness
Connector colour
code
B : Black
BR : Brown
G : Green
GR : Gray
L : Blue
None : Milk white
O : Orange
R : Red
V : Violet
Y : Yellow
D-08
D-13
D-14
D-15
D-16
D-17
D-18
D-19 D-20
D-21 D-22Y
YFuel wiring
harness
7
17
Y
Y
Antenna
feeder cable
AB
Y
Y D-04 D-36 D-06 D-37Roof wiring
harness
Antenna
feeder cable
D-01 (2) Side impact sensor (Front: RH)
D-02 (3) Door switch (Front: RH)
D-03 (8) Floor wiring harness (RH) and rear door
wiring harness (RH) combination
D-04 (2) Front room lamp
D-05 (2-B) Wheel speed sensor (Rear: RH)
D-06 (2-GR) Rear room lamp
D-07 (3) Door switch (Rear: RH)
D-08 (2-Y) Side impact sensor (Rear: RH)
D-13 (3-B) Fuel tank gauge unit
D-14 (2-Y) Side impact sensor (Rear: LH)
D-15 (3) Door switch (Rear: LH)
D-16 (5-GR) Fuel tank pump
D-17 (2-B) Wheel speed sensor (Rear: LH)
D-18 (8) Floor wiring harness (LH) and fuel wiring
harness combination
D-19 (8) Floor wiring harness (LH) and rear door
wiring harness (LH) combinationD-20 (3) Door switch (Front: LH)
D-21 (2) Side impact sensor (Front: LH)
D-22 (2-B) Seat belt pre-tensioner (LH)
D-23 (2-R) Side air bag module (squib) (LH)
D-26 (4) Instrument panel wiring harness and
console wiring harness combination
D-27 (6) Shift switch assembly
D-28 (1) Cigarette lighter
D-29 (1-B) Cigarette lighter
D-30 (2-B) Cigarette lighter illumination lamp
D-31 (2-B) Ashtray illumination lamp
D-33 (2-R) Side air bag module (squib) (RH)
D-34 (1-B) Parking brake switch
D-35 (2-B) Seat belt pre-tensioner (RH)
D-36 (2-B) Curtain air bag module (squib) (RH)
D-37 (2-B) Curtain air bag module (squib) (LH)
FLOOR AND ROOF
CONFIGURATION DIAGRAMS80-24
FLOOR AND ROOF
AC301161
D-07
D-08 D-05
D-04 D-03 D-02
D-01
D-35
D-34
D-33
D-31
D-30
D-29
D-28
D-24D-19 Y
Y
YConnector
symbol
D
D-20
Roof wiring
harness
Connector colour
code
B : Black
BR : Brown
G : Green
GR : Gray
L : Blue
None : Milk white
O : Orange
R : Red
V : Violet
Y : Yellow
D-09
D-22D-21D-23D-25D-26
D-32
D-27
Y
YInstrument panel
wiring harness
Floor wiring
harness (RH)
Y
Antenna
feeder
cable
D-10
D-12
D-14
D-15
D-16
D-17 D-18
Fuel wiring
harness
7
17Y
D-11
D-13
Floor wiring
harness (LH)
AB
YY D-04 D-36 D-06 D-37
Roof wiring
harness
Antenna
feeder cable
D-01 (2) Side impact sensor (Front: RH)
D-02 (3) Door switch (Front: RH)
D-03 (8) Floor wiring harness (RH) and rear door
wiring harness (RH) combination
D-04 (2) Front room lamp
D-05 (2-B) Wheel speed sensor (Rear: RH)
D-06 (2-GR) Rear room lamp
D-07 (3) Door switch (Rear: RH)
D-08 (2-Y) Side impact sensor (Rear: RH)
D-09 (3) Rear personal lamp (RH)
D-10 (3) Luggage room lamp
D-11 (2-B) Diode (for luggage room lamp circuit)
D-12 (3) Rear personal lamp (LH)
D-13 (3-B) Fuel tank gauge unit
D-14 (2-Y) Side impact sensor (Rear: LH)
D-15 (3) Door switch (Rear: LH)
D-16 (5-GR) Fuel tank pump
D-17 (2-B) Wheel speed sensor (Rear: LH)
D-18 (8) Floor wiring harness (LH) and fuel wiring
harness combination
D-19 (8) Floor wiring harness (LH) and rear door
wiring harness (LH) combinationD-20 (3) Door switch (Front: LH)
D-21 (2) Side impact sensor (Front: LH)
D-22 (2-B) Seat belt pre-tensioner (LH)
D-23 (2-R) Side air bag module (squib) (LH)
D-24 (3) Heated seat assembly (LH)
D-25 (9) Heated seat switch
D-26 (4) Instrument panel wiring harness and
console wiring harness combination
D-27 (6) Shift switch assembly
D-28 (1) Cigarette lighter
D-29 (1-B) Cigarette lighter
D-30 (2-B) Cigarette lighter illumination lamp
D-31 (2-B) Ashtray illumination lamp
D-32 (3) Heated seat assembly (RH)
D-33 (2-R) Side air bag module (squib) (RH)
D-34 (1-B) Parking brake switch
D-35 (2-B) Seat belt pre-tensioner (RH)
D-36 (2-B) Curtain air bag module (squib) (RH)
D-37 (2-B) Curtain air bag module (squib) (LH)
FLOOR AND ROOF
CONFIGURATION DIAGRAMS80-25
FLOOR AND ROOF
AC301164
D-07
D-08 D-05
D-04 D-03 D-02
D-01
D-35
D-34
D-33
D-31
D-30
D-29
D-28D-19 Y
Y
YConnector
symbol
D
D-20
Roof wiring
harness
Connector colour
code
B : Black
BR : Brown
G : Green
GR : Gray
L : Blue
None : Milk white
O : Orange
R : Red
V : Violet
Y : Yellow
D-09
D-22D-21D-23D-26D-27Y
Y
Instrument panel
wiring harness
Floor wiring
harness (RH)
Y
Antenna
feeder
cable
D-10
D-12
D-14
D-15
D-16
D-17 D-18
Fuel wiring
harness
7
17Y
D-11
D-13
Floor wiring
harness (LH)
AB
YY D-04 D-36 D-06 D-37
Roof wiring
harness
Antenna
feeder cable
D-01 (2) Side impact sensor (Front: RH)
D-02 (3) Door switch (Front: RH)
D-03 (8) Floor wiring harness (RH) and rear door
wiring harness (RH) combination
D-04 (2) Front room lamp
D-05 (2-B) Wheel speed sensor (Rear: RH)
D-06 (2-GR) Rear room lamp
D-07 (3) Door switch (Rear: RH)
D-08 (2-Y) Side impact sensor (Rear: RH)
D-09 (3) Rear personal lamp (RH)
D-10 (3) Luggage room lamp
D-11 (2-B) Diode (for luggage room lamp circuit)
D-12 (3) Rear personal lamp (LH)
D-13 (3-B) Fuel tank gauge unit
D-14 (2-Y) Side impact sensor (Rear: LH)
D-15 (3) Door switch (Rear: LH)
D-16 (5-GR) Fuel tank pump
D-17 (2-B) Wheel speed sensor (Rear: LH)
D-18 (8) Floor wiring harness (LH) and fuel wiring
harness combinationD-19 (8) Floor wiring harness (LH) and rear door
wiring harness (LH) combination
D-20 (3) Door switch (Front: LH)
D-21 (2) Side impact sensor (Front: LH)
D-22 (2-B) Seat belt pre-tensioner (LH)
D-23 (2-R) Side air bag module (squib) (LH)
D-26 (4) Instrument panel wiring harness and
console wiring harness combination
D-27 (6) Shift switch assembly
D-28 (1) Cigarette lighter
D-29 (1-B) Cigarette lighter
D-30 (2-B) Cigarette lighter illumination lamp
D-31 (2-B) Ashtray illumination lamp
D-33 (2-R) Side air bag module (squib) (RH)
D-34 (1-B) Parking brake switch
D-35 (2-B) Seat belt pre-tensioner (RH)
D-36 (2-B) Curtain air bag module (squib) (RH)
D-37 (2-B) Curtain air bag module (squib) (LH)
90-2
TAIL LAMP, POSITION LAMP, LICENCE
PLATE LAMP AND LIGHTING MONITOR
BUZZER
TAIL LAMP, POSITION LAMP, LICENCE
PLATE LAMP AND LIGHTING MONITOR
BUZZER
FRONT FOG LAMP
FRONT FOG LAMP
ROOM LAMP AND LUGGAGE
COMPARTMENT LAMP
ROOM LAMP AND LUGGAGE
COMPARTMENT LAMP
ROOM LAMP,PERSONAL LAMP
AND LUGGAGE ROOM LAMP
ROOM LAMP,PERSONAL LAMP AND
LUGGAGE ROOM LAMP
REAR FOG LAMP
REAR FOG LAMP
HEADLAMP LEVELLING SYSTEM
HEADLAMP LEVELLING SYSTEM
TURN SIGNAL LAMP AND HAZARD
WARNING LAMP
TURN SIGNAL LAMP AND HAZARD
WARNING LAMP
BACK-UP LAMP
STOP LAMP
STOP LAMP
STOP LAMP
STOP LAMP
HORN . . . . . . . . . . . . . . . . . . . . . . . . .90-86
METER AND GAUGE
METER AND GAUGE
FUEL WARNING LAMP, OIL PRESSURE
WARNING LAMP AND BRAKE WARNING
LAMP
FUEL WARNING LAMP, OIL PRESSURE
WARNING LAMP AND BRAKE WARNING
LAMP
POWER WINDOWS
POWER WINDOWS
CENTRAL DOOR LOCKING SYSTEM
CENTRAL DOOR LOCKING SYSTEM
CENTRAL DOOR LOCKING SYSTEM
CENTRAL DOOR LOCKING SYSTEM
Continued on next page
J/C
CIRCUIT DIAGRAMS90-7
J/C
J/C
FRONT FOG
LAMP
·FRONT
FOG LAMP·FRONT FOG
LAMP
REAR FOG
LAMP
·REAR FOG
LAMP·REAR FOG
LAMP
HEATED
SEAT
HEATED
SEATIMMOBILIZER
SYSTEM·CLOCK·HEATER TURN-SIGNAL
LAMP AND
HAZARD
WARNING LAMP·TURN-SIGNAL
LAMP AND HAZARD
WARNING LAMP
TURN-SIGNAL
LAMP AND
HAZARD
WARNING LAMP ·MANUAL AIR
CONDITIONER
·HEATER
·MANUAL AIR
CONDITIONER ·HEADLAMP·HEADLAMP
·HEADLAMP
WASHER
ACCESSORY
SOCKET·CENTRAL
DOOR LOCKING
SYSTEM
·POWER WINDOWS
·REAR WIPER
AND WASHER
·ROOM LAMP AND
LUGGAGE
COMPARTMENT
LAMP·ROOM LAMP,
PERSONAL LAMP
AND LUGGAGE
ROOM LAMP
·TAIL LAMP,
POSITION LAMP,
LICENCE PLATE
LAMP AND LIGHTING
MONITOR BUZZER
·WINDSHIELD WIPER
AND WASHER
HEADLAMP
LEVELLING
SYSTEM
·INVECS-II 4A/T
·METER AND
GAUGECIGARETTE
LIGHTER AND
ASHTRAY
ILLUMINATION
LAMP
SPARE
CONNECTOR
(FOR AUDIO)·REAR WINDOW
DEFOGGER AND
DOOR MIRROR
HEATERRHEOSTAT
·FRONT FOG
LAMP
·TURN-SIGNAL
LAMP AND HAZARD
WARNING LAMP ·HEADLAMP
·HEADLAMP
WASHER ·CENTRAL
DOOR LOCKING
SYSTEM
·POWER WINDOWS
·REAR WIPER
AND WASHER
·ROOM LAMP AND
LUGGAGE
COMPARTMENT
LAMP·ROOM LAMP,
PERSONAL LAMP
AND LUGGAGE
ROOM LAMP
·TAIL LAMP,
POSITION LAMP,
LICENCE PLATE
LAMP AND LIGHTING
MONITOR BUZZER
·WINDSHIELD WIPER
AND WASHER
J/C (6)DIAGNOSIS
CONNECTOR
DIAGNOSIS
CONNECTOR SUPPLEMENTAL
RESTRAINT
SYSTEM (SRS)ABS
·ENGINE
CONTROL
SYSTEM
·IMMOBILIZER
SYSTEM
·INVECS-II
4A/T
·FRONT FOG
LAMP·FRONT FOG
LAMP
FRONT FOG
LAMP
·TURN-SIGNAL
LAMP AND HAZARD
WARNING LAMP ·HEADLAMP
WASHER·ROOM LAMP AND
LUGGAGE
COMPARTMENT
LAMP
·ROOM LAMP,
PERSONAL LAMP
AND LUGGAGE
ROOM LAMP
·TAIL LAMP,
POSITION LAMP,
LICENCE PLATE
LAMP AND LIGHTING
MONITOR BUZZER
·WINDSHIELD WIPER
AND WASHER·WINDSHIELD
WIPER AND
WASHER
WINDSHIELD
WIPER AND
WASHER
DIAGNOSIS
CONNECTOR·METER AND
GAUGE
·METER AND
GAUGEMETER AND
GAUGESPARE
CONNECTOR
(FOR AUDIO)
SPARE
CONNECTOR
(FOR FRONT
FOG LAMP)·SPARE
CONNECTOR
(FOR FRONT
FOG LAMP) CLOCK(FUSE )
23
(FUSE )2
RELAY
BOX
·REAR FOG
LAMP
·REAR WIPER AND
WASHER ·ABS
·BRAKE
WARNING LAMP
·CHARGING
SYSTEM
·ENGINE
CONTROL
SYSTEM
·FUEL WARNING
LAMP
·INVECS-II
4A/T
·SUPPLEMENTAL
RESTRAINT
SYSTEM (SRS) ·OIL PRESSURE
WARNING LAMPJ/B
(FUSE )
11J/B ACCESSORY
SOCKET
REMOTE
CONTROLLED
MIRROR
J/C (4)
ABS
ABSENGINE
CONTROL
SYSTEM
ENGINE
CONTROL
SYSTEM·ENGINE
CONTROL
SYSTEM
·ENGINE
CONTROL
SYSTEMMETER AND
GAUGE
(FUSE )10RELAY
BOX
(FUSE )
8RELAY
BOX INVECS-II
4A/T
IMMOBILIZER
SYSTEM·COOLING
SYSTEM
·METER AND
GAUGE·IGNITION
SYSTEM ·ENGINE
CONTROL
SYSTEM
·METER AND
GAUGE·IGNITION
SYSTEM
CENTRALIZED JUNCTION
CIRCUIT DIAGRAMS90-12
PASSENGER COMPARTMENT
AC207745
(Connected directly to battery positive terminal)
Front of vehicle26
AF
No. Power supply circuit Name Rated
capacity (A)Housing
colourLoad circuit
1 Ignition switch (IG1) Fuse 10 Red Capacitor and ignition coil
2 7.5 Brown ABS warning lamp, brake warning
lamp, charging warning lamp, check
engine warning lamp, column switch,
combination meter, ETACS-ECU, low
fuel warning lamp, oil pressure
warning lamp, SRS air bag warning
lamp, SRS-ECU and vehicle speed
sensor
3 7.5 Brown A/T control relay, combination meter,
engine-A/T-ECU, ETACS-ECU, input
shaft speed sensor, output shaft
speed sensor, rear combination lamp
and SRS-ECU
4
−−−
5 Ignition switch (IG2) 7.5 Brown A/C compressor relay, A/C-ECU,
blower relay, rear window defogger
relay, front-ECU, heated seat relay,
heater control unit and outside/inside
air selection damper control motor
6 Rear window
defogger relay7.5 Brown Remote controlled mirror
7 Ignition switch (ACC) 20 Yellow Front-ECU and windshield wiper
motor
8 Ignition switch (IG1) 7.5 Brown Engine-A/T-ECU, engine-ECU, fuel
pump relay (1) and fuel pump relay (2)
9 Ignition switch (ACC) 15 Blue Cigarette lighter
10
−−−
11 7.5 Brown Accessory socket relay and Remote
controlled mirror
12 Ignition switch (IG2) 7.5 Brown ABS-ECU
13 Ignition switch (ACC)
−−−
14 15 Blue ETACS-ECU and rear wiper motor