Toyota ST185 Series Repair Manual page 76

FOG LIGHT AND HEADLIGHT (CANADA)
SYSTEM OUTLINE
CURRENT FROM THE BATTERY FLOWS CONTINUOUSLY FROM FL 2.0L
OF RETRACT CONTROL RELAY, FL 2.0L
WHEN THE IGNITION SW IS TURNED ON, THE CURRENT FLOWING THROUGH THE ECU–IG FUSE FLOWS TO TERMINAL (A) 4 OF THE
RETRACT CONTROL RELAY.
DAYTIME RUNNING LIGHT OPERATION
WHEN THE ENGINE IS STARTED, VOLTAGE IS GENERATED AT TERMINAL L OF THE ALTERNATOR AND VOLTAGE IS APPLIED TO
TERMINAL (A) 9 OF THE RETRACT CONTROL RELAY, CAUSING THE RETRACT CONTROL RELAY TO OPERATE SO THAT THE
TAILLIGHT RELAY AND FOG LIGHT RELAY TURN ON. THIS CAUSES CURRENT TO FLOW FROM THE TAILLIGHT RELAY (POINT SIDE)
TAIL FUSE EACH TAILLIGHT, AND FOG LIGHT RELAY (POINT SIDE)
ACCORDINGLY, EVEN WHEN THE LIGHT CONTROL SW IS IN OFF POSITION, EACH OF THE LIGHTS JUST MENTIONED LIGHTS UP.
THIS SYSTEM CONTINUES TO OPERATE UNTIL THE IGNITION SW IS TURNED OFF.
SERVICE HINTS
RETRACT CONTROL RELAY
R 9(B), R10(A)
(A) 2, (B) 3, (B) 8–GROUND : ALWAYS APPROX. 12 VOLTS
(A) 4–GROUND
(B) 6–GROUND
(A) 3–GROUND
(B) 8–GROUND
(B)12–GROUND
(B) 2, (B) 5–(B)11
(B) 2, (B) 5–(B) 7
RETRACT MOTOR
R 2, R 3
2–3 : OPEN WITH RETRACT MOTOR AT LOWERMOST POSITION
2–1 : OPEN WITH RETRACT MOTOR AT UPPERMOST POSITION
DIMMER SW [COMB. SW]
C13 (A)
9–12 : CLOSED WITH DIMMER SW AT HIGH OR FLASH POSITION
FOG LIGHT RELAY
1–4 : CLOSED WITH LIGHT CONTROL SW AT HEAD POSITION, DIMMER SW AT LOW POSITION AND FOG LIGHT SW ON
CLOSED WITH ENGINE RUNNING
: PARTS LOCATION
CODE SEE PAGE
C11 26
C13 A 26
C14 B 26
F 1 25
F 2 25
: RELAY BLOCKS
CODE SEE PAGE
3 23
4 24
: JUNCTION BLOCK AND WIRE HARNESS CONNECTOR
CODE SEE PAGE
1A
1B
18 18
1E
1I 18
2A 20
2B 20
2D
20 20
2E
3A
22 22
3B
78
HEADLIGHT RELAY (COIL SIDE)
: APPROX. 12 VOLTS WITH IGNITION SW AT ON POSITION
: NO CONTINUITY WITH LIGHT CONTROL SW AT OFF OR HEAD POSITION
CONTINUITY WITH LIGHT CONTROL SW AT HOLD OR TAIL POSITION
: NO CONTINUITY WITH LIGHT CONTROL SW AT OFF OR HOLD POSITION
CONTINUITY WITH LIGHT CONTROL SW AT TAIL OR HEAD POSITION
: NO CONTINUITY WITH LIGHT CONTROL SW AT OFF, HOLD OR TAIL POSITION
CONTINUITY WITH LIGHT CONTROL SW AT HEAD POSITION OR DIMMER SW AT FLASH POSITION
: ALWAYS CONTINUITY
: NO CONTINUITY WITH RETRACT MOTOR AT LOWERMOST POSITION
CONTINUITY WITH RETRACT MOTOR AT ANY POSITION EXCEPT LOWERMOST POSITION
: NO CONTINUITY WITH RETRACT MOTOR AT UPPERMOST POSITION
CONTINUITY WITH RETRACT MOTOR AT ANY POSITION EXCEPT UPPERMOST POSITION
CODE
F11
F12
H 1
H 2
J 3
RELAY BLOCKS (RELAY BLOCK LOCATION)
R/B NO. 3 (RIGHT KICK PANEL)
R/B NO. 4 (RIGHT KICK PANEL)
JUNCTION BLOCK AND WIRE HARNESS (CONNECTOR LOCATION)
COWL WIRE AND J/B NO. 1 (LEFT KICK PANEL) COWL WIRE AND J/B NO. 1 (LEFT KICK PANEL)
ENGINE ROOM MAIN WIRE AND J/B NO. 1 (LEFT KICK PANEL)
ENGINE ROOM MAIN WIRE AND J/B NO. 2 (NEAR THE BATTERY)
ENGINE WIRE AND J/B NO. 2 (NEAR THE BATTERY)
ENGINE ROOM MAIN WIRE AND J/B NO 2 (NEAR THE BATTERY) ENGINE ROOM MAIN WIRE AND J/B NO. 2 (NEAR THE BATTERY)
COWL WIRE AND J/B NO 3 (BEHIND COMBINATION METER) COWL WIRE AND J/B NO.3 (BEHIND COMBINATION METER)
FL ALT TAILLIGHT RELAY (COIL SIDE)
TERMINAL (B) 8 OF RETRACT CONTROL RELAY.
FOG LIGHTS.
SEE PAGE
25
26
25
25
26
TERMINAL (A) 2
CODE SEE PAGE
J 6 26
R 2 25
R 3 25
R 9 B 26
R10 A 26