brake light TOYOTA CAMRY 2000 Service Service Manual

H17GRAY
12X 4
2 1
X7 8
X11 X

X
3


61

2

13



X 4






X
3


6 C7 L4 R6 R7 S6
[X] [O]
[P]
[Q]
[R]
[S]
[T]
[U]
[V]
[W]
B HOW TO USE THIS MANUAL
Current is applied at all times through the STOP fuse to TERMINAL 2 of the stop light SW.
When the ignition SW is turned on, current flows from the GAUGE fuse to TERMINAL 8 of the light failure sensor, and also flows
through the rear lights warning light to TERMINAL 4 of the light failure sensor.
STOP LIGHT DISCONNECTION WARNING
When the ignition SW is turned on and the brake pedal is pressed (Stop light SW on), if the stop light circuit is open, the current
flowing from TERMINAL 7 of the light failure sensor to TERMINALS 1, 2 changes, so the light failure sensor detects the
disconnection and the warning circuit of the light failure sensor is activated.
As a result, the current flows from TERMINAL 4 of the light failure sensor to TERMINAL 11 to GROUND and turns the rear lights
warning light on. By pressing the brake pedal, the current flowing to TERMINAL 8 of the light failure sensor keeps the warning
circuit on and holds the warning light on until the ignition SW is turned off.
S6 STOP LIGHT SW
2±1 : Closed with the brake pedal depressed
L4 LIGHT FAILURE SENSOR
1, 2, 7±GROUND : Approx. 12 volts with the stop light SW on
4, 8±GROUND : Approx. 12 volts with the ignition SW at ON position
11±GROUND : Always continuity
: PARTS LOCATION
CodeSee PageCodeSee PageCodeSee Page
C734L436R737
H1736R637S635
: RELAY BLOCKS
CodeSee PageRelay Blocks (Relay Block Location)
118R/B No.1 (Instrument Panel Left)

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: JUNCTION BLOCK AND WIRE HARNESS CONNECTOR
CodeSee PageJunction Block and Wire Harness (Connector Location)
IB20Instrument Panel Wire and Instrument Panel J/B (Lower Finish Panel)
3C22Instrument Panel Wire and J/B No.3 (Instrument Panel Left Side)
: CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS
CodeSee PageJoining Wire Harness and Wire Harness (Connector Location)
IE142Floor Wire and Instrument Panel Wire (Left Kick Panel)
BV150Luggage Room Wire and Floor Wire (Luggage Compartment Left)
: GROUND POINTS
CodeSee PageGround Points Location
BL50Under the Left Quarter Pillar
BO50Back Panel Center
: SPLICE POINTS
CodeSee PageWire Harness with Splice PointsCodeSee PageWire Harness with Splice Points
I544Cowl WireB1850Luggage Room Wire
SYSTEM OUTLINE
SERVICE HINTS

B HOW TO USE THIS MANUAL
The ground points circuit diagram shows the connections from all major parts to the respective ground points. When
troubleshooting a faulty ground point, checking the system circuits which use a common ground may help you identify
the problem ground quickly. The relationship between ground points (
EA, IB and IC shown below) can also be
checked this way.

I GROUND POINT
FAN MAIN RELAY
FAN MAIN RELAY
A/C FAN RELAY NO.2
A/C FAN RELAY NO.3
RADIATOR FAN MOTOR
RETRACT CONTROL
RELAY
RETRACT MOTOR RH
RETRACT MOTOR LH
FRONT TURN SIGNAL
LIGHT RH
PARKING LIGHT RH
FRONT TURN SIGNAL
LIGHT LH
PARKING LIGHT LH
DOOR LOCK CONTROL
SW RH
DOOR KEY LOCK
SW RH
DOOR LOCK MOTOR
RH
BLOWER RESISTOR
A/C AMPLIFIER
RADIO AND PLAYER
HEATER RELAY
AUTO ANTENNA
MOTOR
BLOWER SW
PARKING BRAKE SW
COMBINATION METER
HORN SW [COMB. SW]
TURN SIGNAL FLASHER
DOOR KEY LOCK SW LH
DOOR LOCK MOTOR LH
FUEL CONTROL SW
WOOFER AMPLIFIER
COMBINATION METER
COMBINATION METER
FUEL SENDER
CIGARETTE LIGHTER
O/D MAIN SW
CLOCK
5
5
5
5
4
4
4
4
4BA15
IB18
EA2 10
3E5
3E
6 3G
13 3F
3 3D
1 3B
7
ID115
IC33
IA12
E 3
A
A AW±B
W±BW±B W±B
W±B W±B
W±B
W±B
W±B
W±B
W±B
W±B
W±B
W±B
W±B W±BW±B W±B W±B W±B
W±B W±B
W±BW±B
W±B
W±B
W±B W±B
W±B
BR
W±B
BR BRW±BW±B
W±B
W±B
W±B
W±B
W±B
W±B
W±B
W±B
W±B W±B
W±B
W±B
W±B
W±B
BR W±B
BR BR
BR W±B W±BW±B
W±BW±BBR W±B (4A±GZE)
W±B A A A
I 6
I 6
I 2
I 2
I 2
B 5I 5
I 5
I 5
B 5
B 5
B 5
I 5
I 5
I 3I 3
E 3
E 3
E 3
E 2
E 4
E 5
E 4
E 5
E 6E 4
E 4
B 4
EAI 4
B 4
B 4
I 4I 8
IBIC
3C7
4
JUNCTION
CONNECTOR J 1
4
DOOR LOCK CONTROL
RELAY
ELECTRICAL IDLE-UP
CUT RELAY (M/T)FRONT SIDE MARKER
LIGHT RH
FRONT SIDE MARKER
LIGHT LH
BRAKE FLUID LEVEL
WARNING SW
UNLOCK WARNING
SW WIPER AND WASHER
SW [COMB. SW] LIGHT CONTROL SW
[COMB. SW] HEATER CONTROL
ASSEMBLY
HEATER SERVO
MOTOR AMPLIFIER
DIMMER SW
[COMB. SW]
CRUISE CONTROL
MIRROR SW
REAR WINDOW
DEFOGGER SW
POWER WINDOW
MASTER SW
POWER WINDOW
CONTROL RELAY
DOOR LOCK CONTROL
SW
REMOTE CONTROL
MIRROR SW
* The system shown here is an EXAMPLE ONLY. It is different to the actual circuit shown in the SYSTEM CIRCUITS SECTION.

G ELECTRICAL WIRING ROUTING
Position of Parts in Engine Compartment
[1MZ±FE]
A 1 A/C Condenser Fan Motor
A 2 A/C Magnetic Clutch and Lock Sensor
A 3 A/C Triple Pressure SW
(A/C Dual and Single Pressure SW)
A 4 ABS Actuator
A 5 ABS Actuator
A 6 ABS Actuator and ECU
A 7 ABS and Traction Actuator
A 8 ABS and Traction Actuator
A 9 ABS Speed Sensor Front LH
A 10 ABS Speed Sensor Front RH
A 28 Air Fuel Ratio Sensor (Bank 1 Sensor 1)
A 29 Air Fuel Ratio Sensor (Bank 2 Sensor 1)
A 30 A/C Ambient Temp. Sensor
A 31 Airbag Sensor Front LH
A 32 Airbag Sensor Front RH
B 1 Back±Up Light SW
B 2 Brake Fluid Level Warning SW
C 1 Camshaft Position Sensor
C 2 Crankshaft Position Sensor
C 3 Cruise Control Actuator
D 1 Data Link Connector 1
D 2 Daytime Running Light Resistor
D 3 Diode (A/C)E 1 EGR Gas Temp. Sensor
E 2 EGR Valve Position Sensor
E 3 Electronically Controlled Transmission Solenoid
E 5 Engine Coolant Temp. Sensor
E 6 Engine Hood Courtesy SW
F 1 Front Turn Signal Light and Parking Light LH
F 2 Front Turn Signal Light and Parking Light RH
F 3 Front Wiper Motor
F 4 Fusible Link Block
F 5 Fusible Link Block
F 6 Fusible Link Block
F 7 Fusible Link Block
F 8 Fusible Link Block
F 9 Fusible Link Block
G 1 Generator
G 2 Generator
H 1 Headlight LH
H 2 Headlight RH
H 3 Heated Oxygen Sensor (Bank 1 Sensor 1)
H 4 Heated Oxygen Sensor (Bank 2 Sensor 1)
H 5 Horn (High)
H 6 Horn (Low)

G ELECTRICAL WIRING ROUTING
Position of Parts in Engine Compartment
[5S±FE]
A 1 A/C Condenser Fan Motor
A 2 A/C Magnetic Clutch and Lock Sensor
A 3 A/C Triple Pressure SW
(A/C Dual and Single Pressure SW)
A 4 ABS Actuator
A 5 ABS Actuator
A 6 ABS Actuator and ECU
A 9 ABS Speed Sensor Front LH
A 10 ABS Speed Sensor Front RH
A 11 Air Fuel Ratio Sensor
A 31 Airbag Sensor Front LH
A 32 Airbag Sensor Front RH
B 1 Back±Up Light SW
B 2 Brake Fluid Level Warning SW
C 1 Camshaft Position Sensor
C 2 Crankshaft Position Sensor
C 3 Cruise Control Actuator
D 1 Data Link Connector 1
D 2 Daytime Running Light ResistorE 3 Electronically Controlled Transmission Solenoid
E 4 Electronically Controlled Transmission Solenoid
E 5 Engine Coolant Temp. Sensor
E 6 Engine Hood Courtesy SW
F 1 Front Turn Signal Light and Parking Light LH
F 2 Front Turn Signal Light and Parking Light RH
F 3 Front Wiper Motor
F 4 Fusible Link Block
F 5 Fusible Link Block
F 6 Fusible Link Block
F 7 Fusible Link Block
F 8 Fusible Link Block
F 9 Fusible Link Block
G 1 Generator
G 2 Generator
H 1 Headlight LH
H 2 Headlight RH
H 3 Heated Oxygen Sensor (Bank 1 Sensor 1)
H 5 Horn (High)
H 6 Horn (Low)

G
Position of Parts in Instrument Panel
J 1 Junction Connector
J 2 Junction Connector
J 3 Junction Connector
J 4 Junction Connector
J 5 Junction Connector
J 6 Junction Connector
J 7 Junction Connector
J 8 Junction Connector
J 9 Junction Connector
J 10 Junction Connector
J 11 Junction Connector
J 12 Junction Connector
J 13 Junction Connector
J 14 Junction Connector
J 15 Junction Connector
J 16 Junction Connector
J 17 Junction Connector
J 18 Junction Connector
J 19 Junction Connector
J 20 Junction Connector
J 21 Junction Connector
J 22 Junction Connector
J 23 Junction Connector
J 24 Junction Connector
J 25 Junction Connector
J 26 Junction Connector
J 27 Junction Connector
J 28 Junction Connector
J 29 Junction Connector
J 30 Junction Connector
J 31 Junction Connector
J 32 Junction Connector
J 33 Junction ConnectorJ 34 Junction Connector
J 35 Junction Connector
J 36 Junction Connector
J 37 Junction Connector
K 3 Key Interlock Solenoid
O 2 O/D Main SW and A/T Shift Lever Illumination
P 3 Parking Brake SW
P 4 Power Outlet
R 2 Radio and Player
R 3 Radio and Player
R 4 Radio and Player
R 5 Rear Window Defogger SW
R 6 Remote Control Mirror SW
R 7 Rheostat
S 3 Shift Lock ECU
S 4 Stereo Component Amplifier
S 5 Stereo Component Amplifier
S 6 Stop Light SW
T 3 Theft Deterrent ECU
T 4 Theft Deterrent ECU
T 5 Traction Off SW
T 6 Turn Signal Flasher
T 7 Transponder Key Amplifier
U 1 Unlock Warning SW
W 6 Wireless Door Lock ECU

POWER SOURCE
HEAD RELAY [ENGINE ROOM J/B NO.2]
2±1 : Closed with the light control SW at HEAD position or the dimmer SW at FLASH position
Closed with the engine running and the parking brake pedal released (Parking brake SW off) (w/ Daytime Running
Light)
TAILLIGHT RELAY [INSTRUMENT PANEL J/B]
5±3 : Closed with the light control SW at TAIL or HEAD position
I16 IGNITION SW
2±3 : Closed with the ignition SW at ACC or ON position
2±4 : Closed with the ignition SW at ON or ST position
7±6 : Closed with the ignition SW at ON or ST position
7±8 : Closed with the ignition SW at ST position
: PARTS LOCATION
CodeSee PageCodeSee PageCodeSee Page
F4A26 (1MZ±FE)F7D26 (1MZ±FE)G126 (1MZ±FE)F4A28 (5S±FE)F7D28 (5S±FE)G128 (5S±FE)
F5B26 (1MZ±FE)F8E26 (1MZ±FE)I1630F5B28 (5S±FE)F8E28 (5S±FE)J1131
F6C26 (1MZ±FE)F9F26 (1MZ±FE)F6C28 (5S±FE)F9F28 (5S±FE)
: RELAY BLOCKS
CodeSee PageRelay Blocks (Relay Block Location)
124Engine Room R/B No.1 (Engine Compartment Left)
224Engine Room R/B No.2 (Near the Battery)
325Engine Room R/B No.3 (Radiator Upper Support RH)
: JUNCTION BLOCK AND WIRE HARNESS CONNECTOR
CodeSee PageJunction Block and Wire Harness (Connector Location)
1A
1B20Cowl Wire and J/B Instrument Panel J/B (Lower Finish Panel)1J20Cowl Wire and J/B Instrument Panel J/B (Lower Finish Panel)
1K
2A
2B
2C22Engine Room Main Wire and Engine Room J/B No.2 (Engine Compartment Left)
2F
gg(g)
2G
2K22Cowl Wire and Engine Room J/B No 2 (Engine Compartment Left)2L22Cowl Wire and Engine Room J/B No.2 (Engine Compartment Left)
: GROUND POINTS
CodeSee PageGround Points Location
EB36 (1MZ±FE)Left Radiator Side SupportEB38 (5S±FE)Left Radiator Side Support
IG40Instrument Panel Brace LH
: SPLICE POINTS
CodeSee PageWire Harness with Splice PointsCodeSee PageWire Harness with Splice Points
E336 (1MZ±FE)Cowl WireI142Cowl WireE338 (5S±FE)Cowl Wire
SERVICE HINTS

E5 ENGINE COOLANT TEMP. SENSOR
1±2 : Approx. 15.04 kW (±20C, ±4F)
Approx. 5.74 kW (0C, 32F)
Approx. 2.45 kW (20C, 68F)
Approx. 1.15 kW (40C, 104F)
Approx. 0.584 kW (60C, 140F)
Approx. 0.318 kW (80C, 176F)
E7 (A), E8 (B), E9 (C), E10 (D), E11 (E)
ENGINE CONTROL MODULE
Voltage at engine control module wiring connector
BATT±E1 : Always 9.0±14.0 volts
+B±E1 :9.0±14.0 volts (Ignition SW at ON position)
VC±E2 : Always 4.5±5.5 volts (Ignition SW at ON position)
VTA1±E2 :0.3±0.8 volts (Ignition SW on and throttle valve fully closed)
:3.2±4.9 volts (Ignition SW on and throttle valve fully open)
VG±E2G :1.1±1.5 volts (Engine idling and A/C SW OFF position)
THA±E2 :0.5±3.4 volts (Engine idling and intake air temp. 20°C, 68°F)
THW±E2 :0.2±1.0 volts (Engine idling and engine coolant temp. 80°C, 176°F)
IGF±E1 :4.5±5.5 volts (Ignition SW at ON position)
Pulse generation (Engine idling)
G22+±NE± : Pulse generation (Engine idling)
NE+±NE± : Pulse generation (Engine idling)
NSW±E1 :9.0±14.0 volts (Ignition SW on and other shift position in P or N position)
Below 3.0 volts (Ignition SW on and shift position in P or N position)
SPD±E1 : Pulse generation (Ignition SW on and rotate driving wheel slowly)
TC±E1 :9.0±14.0 volts (Ignition SW at ON Position)
W±E1 : Below 3.0 volts
A/C±E1 : Below 2.0 volts (Engine idling and A/C SW on)
9.0±14.0 volts (A/C SW off)
ACT±E1 :9.0±14.0 volts (Engine idling and A/C SW on)
Below 2.0 volts (A/C SW off)
ACIS±E01 :9.0±14.0 volts (Ignition SW at ON position)
STA±E1 :6.0 volts or more (Engine cranking)
THG±E2 :4.5±5.5 volts (Ignition SW at ON position)
ELS±E1 :7.5±14.0 volts (Taillight SW at ON position)
0±1.5 volts (Taillight SW at OFF position)
ELS2±E1 :7.5±14.0 volts (Defogger SW at ON position)
0±1.5 volts (Defogger SW at OFF position)
EGR±E01 :9.0±14.0 volts (Ignition SW at ON position)
FC±E1 :9.0±14.0 volts (Ignition SW at ON position)
0±3.0 volts (Engine idling)
EVP1±E01 :9.0±14.0 volts (Ignition SW at ON position)
CF±E1 :9.0±14.0 volts (Electric cooling fan is operating on high speed)
0±2.0 volts (Electric cooling fan is operating on low speed or off)
TACH±E1 : Pulse generation (Engine idling)
TPC±E1 :9.0±14.0 volts (Ignition SW on and disconnect the vacuum hose from the vapor pressure sensor)
PTNK±E1 :3.0±3.6 volts (Ignition SW at ON position)
1.3±2.1 volts (Ignition SW on and apply vacuum 2.0 kpa (15.0 mmHg, 0.6 in.Hg)
STP±E1 :7.5±14.0 volts (Ignition SW on and brake pedal depressed)
Below 1.5 volts (Ignition SW on and brake pedal released)
SIL±E1 : Pulse generation (During transmission)
RSC, RSO±E01 :9.0±14.0 volts (Ignition SW on and disconnect E 7 of engine control module connector)
KNKL, KNKR±E1 : Pulse generation (Engine idling)
HTS, HTL, HTR±E03 :9.0±14.0 volts (Ignition SW at ON position)
0±3.0 volts (Engine idling)
OXS, OXL, OXR±E1 : Pulse generation (Maintain engine speed at 2500 rpm for two minutes after warning up)
IGT1, IGT2, IGT3±E1 : Pulse generation (Engine idling)
#10, #20, #30, #40, #50, #60±E01 :9.0±14.0 volts (Ignition SW at ON position)
Pulse generation (Engine idling)
SERVICE HINTS

HEADLIGHT (w/ DAYTIME RUNNING LIGHT)
7. 5A
DOME FROM POWER SOURCE SYSTEM (
SEE PAGE 50)
2J 12
2 1 1 EB1 6IG1 7A D
B F
C4
B
1 C3
B
W±B R±W R±WR±Y R±YR±L R±B
R±YR±L
YY Y
R±W R±W
R±W
W± B R±W W±B
R±YR±L
+B IG INTEGRATION
RELAY I17JUNCTION
CONNECTOR
CHG± PKB BRK E
LJUNCTION
CONNECTOR
GENERATORPARKING
BRAKE SWBRAKE FLUID LEVEL
WARNING SW JUNCTION
CONNECTOR J 1
G 2P 3J 2
B 2
W±B HI
INDB J2 7 A , J28
B D 6
DAYTIME RUNNING LIGHT RELAY (
MAIN) R±BR±B
G 1 2
G± Y
G
T21 3 23 22 171W 1
1V 7
RR
12 4 14 13

10A
GAUGE FROM POWER SOURCE SYSTEM (
SEE PAGE 50)
1D 2
IG1 3
IG IFB 9 B 7B 8 C 7
IG23
HIGH
BEAM BRAKE
1J 8 1J 7 1J 1
16 D
A
A
A A D
8 13
A
A R±W
W± B R±WR±Y R±YR±L
W± B
W± B W±B
W± B
W±B W±BR±W R±L
R±LR±L R±L
R±Y
JUNCTION
CONNECTOR
COMBINATION SW J 4
C13
COMBINATION
METER
JUNCTION
CONNECTOR
JUNCTION
CONNECTORJUNCTION
CONNECTOR J 5
J11J 7 OFF
TAI L
HEAD
LOW
HIGH
FLASH
DIMMER SWLIGHT
CONTROL SW
W± B W±BA C C 9 B , C10 R±B
R±B
7
R±Y G
14
G

HEADLIGHT (w/ DAYTIME RUNNING LIGHT)
The current from the FL MAIN is always flowing from the MAIN fuse to HEAD relay (Coil side) to TERMINAL H±LP of the
daytime running light relay (Main), from DOME fuse to TERMINAL +B of the daytime running light relay (Main) and from the
ALT fuse to Taillight relay (Coil side) to TERMINAL TAIL (TMMK Made) of the daytime running light relay (Main).
When the ignition SW is turned on, the current flowing through the GAUGE fuse flows to TERMINAL IG of the daytime
running light relay (Main).
1. DAYTIME RUNNING LIGHT OPERATION
When the engine is started, voltage generated at TERMINAL L of the generator is applied to TERMINAL CHG± of the
daytime running light relay (Main). If the parking brake lever is pulled up (Parking brake SW on) at this time, the relay is not
activated so the daytime running light system does not operate. If the parking brake lever is then released (Parking brake
SW off), a signal is input to TERMINAL PKB of the relay.
This activates the daytime running light relay (Main) and the HEAD relay is turned to on, so the current flows from the MAIN
fuse to the HEAD relay (Point side) to TERMINAL 1 of the DIM relay to TERMINAL 4 to H±LP LH (LWR), H±LP RH (LWR)
fuses to TERMINAL 1 of the headlights to TERMINAL 3 to TERMINAL 1 of the daytime running light resistor to TERMINAL 2
to GROUND, causing the headlights to light up (Headlights light up dimmer than normal brightness.). Once the daytime
running light system operates and the headlights light up, the headlights remain on even if the parking brake lever is pulled
up (Parking brake SW on).
If the engine stalls and the ignition SW remains on, the headlights remain light up even through current is no longer output
from TERMINAL L of the generator. If the ignition SW is then turned off, the headlights go off.
If the engine is started with the parking brake lever released (Parking brake SW off), the daytime running light system
operates and headlights light up when the engine starts.
2. HEADLIGHT OPERATION
When the light control SW is switched to HEAD position and the dimmer SW is set to LOW position, causing the daytime
running light relay (Main) and the HEAD relay to turn on, so the current flows from the MAIN fuse to HEAD relay (Point side)
to DRL NO.2 fuse to TERMINAL 3 of the DRL NO.4 relay to TERMINAL 4 to TERMINAL H±ON of the daytime running light
relay (Main) to TERMINAL H to TERMINAL 3 of the integration relay to TERMINAL 4 to TERMINAL 13 of the light control
SW to TERMINAL 16 to GROUND, activating the DRL. NO.4 relay. The current to HEAD relay (Point side) then flows to
TERMINAL 1 of the DIM relay to TERMINAL 4 to H±LP LH (LWR), H±LP RH (LWR) fuses to TERMINAL 1 of the headlights
to TERMINAL 3 to TERMINAL 1 of the DRL NO.4 relay to TERMINAL 2 to GROUND, causing the headlights to light up at
normal intensity.
When the light control SW is switched to HEAD position and the dimmer SW is set to HIGH position, the signal from the
dimmer SW is input to the daytime running light relay (Main). This activates the daytime running light relay (Main) and the
HEAD relay is turned on, so the current flows from the MAIN fuse to HEAD relay (Point side) to TERMINAL 1 of the DIM
relay to TERMINAL 3 to TERMINAL DIM of the daytime running light relay (Main), activating the DIM relay. This causes
current to flow from TERMINAL 1 of the DIM relay to TERMINAL 2 to HEAD LH (UPR), HEAD RH (UPR) fuses to TERMINAL
2 of the headlights to TERMINAL 3 to TERMINAL 1 of the DRL NO.4 relay to TERMINAL 2 to GROUND, causing the
headlights to light up at high beam and the high beam indicator light to light up.
When the dimmer SW is switched to FLASH position, the signal from the dimmer SW is input to the daytime running light
relay (Main). This activates the daytime running light relay (Main) and the HEAD relay is turned on, so the current flows from
the MAIN fuse to HEAD relay (Point side) to DRL NO.2 fuse to TERMINAL 3 of the DRL NO.4 relay to TERMINAL 4 to
TERMINAL H±ON of the daytime running light relay (Main) to TERMINAL H to TERMINAL 8 of the dimmer SW to
TERMINAL 16 to GROUND, activating the DRL NO.4 relay. At the same time, the current flows from the TERMINAL 1 of the
DIM relay to TERMINAL 3 to TERMINAL DIM of the daytime running light relay (Main), activating the DIM relay, and also
flows from the HEAD LH (UPR), HEAD RH (UPR) fuses to TERMINAL 2 of the headlights to TERMINAL 3 to TERMINAL 1 of
the DRL NO.4 relay to TERMINAL 2 to GROUND, causing the headlights to light up at high beam and the high beam
indicator light to light up.
SYSTEM OUTLINE