Toyota CELICA 1990 All-Trac/4WD, Repair Manual

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FOG LIGHT AND HEADLIGHT (CANADA)
CURRENT FROM THE BATTERY FLOWS CONTINUOUSLY FROM FL 2.0L
→
FL ALT
→
TAILLIGHT RELAY (COIL SIDE)
→
TERMINAL (A) 2
OF RETRACT CONTROL RELAY, FL 2.0L
→
HEADLIGHT RELAY (COIL SIDE)
→
TERMINAL (B) 8 OF RETRACT CONTROL RELAY.
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)
→
FOG LIGHTS.
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.
R 9(B), R10(A)
RETRACT CONTROL RELAY
(A) 2, (B) 3, (B) 8–GROUND : ALWAYS APPROX. 12 VOLTS
(A) 4–GROUND
: APPROX. 12 VOLTS WITH IGNITION SW AT ON POSITION
(B) 6–GROUND : NO CONTINUITY WITH LIGHT CONTROL SW AT OFF OR HEAD POSITION
CONTINUITY WITH LIGHT CONTROL SW AT HOLD OR TAIL POSITION
(A) 3–GROUND : NO CONTINUITY WITH LIGHT CONTROL SW AT OFF OR HOLD POSITION
CONTINUITY WITH LIGHT CONTROL SW AT TAIL OR HEAD POSITION
(B) 8–GROUND : 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
(B)12–GROUND : ALWAYS CONTINUITY
(B) 2, (B) 5–(B)11 : NO CONTINUITY WITH RETRACT MOTOR AT LOWERMOST POSITION
CONTINUITY WITH RETRACT MOTOR AT ANY POSITION EXCEPT LOWERMOST POSITION
(B) 2, (B) 5–(B) 7 : NO CONTINUITY WITH RETRACT MOTOR AT UPPERMOST POSITION
CONTINUITY WITH RETRACT MOTOR AT ANY POSITION EXCEPT UPPERMOST POSITION
R 2, R 3
RETRACT MOTOR
2–3 : OPEN WITH RETRACT MOTOR AT LOWERMOST POSITION
2–1 : OPEN WITH RETRACT MOTOR AT UPPERMOST POSITION
C13 (A)
DIMMER SW [COMB. SW]
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 CODE SEE PAGE CODE SEE PAGE
C11 26 F11 25 J 6 26
C13 A 26 F12 26 R 2 25
C14 B 26 H 1 25 R 3 25
F 1 25 H 2 25 R 9 B 26
F 2 25 J 3 26 R10 A 26
: RELAY BLOCKS
CODE SEE PAGE RELAY BLOCKS (RELAY BLOCK LOCATION)
3 23 R/B NO. 3 (RIGHT KICK PANEL)
4 24 R/B NO. 4 (RIGHT KICK PANEL)
: JUNCTION BLOCK AND WIRE HARNESS CONNECTOR
CODE SEE PAGE JUNCTION BLOCK AND WIRE HARNESS (CONNECTOR LOCATION)
1A
1B
18 COWL WIRE AND J/B NO. 1 (LEFT KICK PANEL)
1E
18 COWL WIRE AND J/B NO. 1 (LEFT KICK PANEL)
1I 18 ENGINE ROOM MAIN WIRE AND J/B NO. 1 (LEFT KICK PANEL)
2A 20 ENGINE ROOM MAIN WIRE AND J/B NO. 2 (NEAR THE BATTERY)
2B 20 ENGINE WIRE AND J/B NO. 2 (NEAR THE BATTERY)
2D
20 ENGINE ROOM MAIN WIRE AND J/B NO 2 (NEAR THE BATTERY)
2E
20 ENGINE ROOM MAIN WIRE AND J/B NO. 2 (NEAR THE BATTERY)
3A
22 COWL WIRE AND J/B NO 3 (BEHIND COMBINATION METER)
3B
22 COWL WIRE AND J/B NO.3 (BEHIND COMBINATION METER)
SYSTEM OUTLINE
SERVICE HINTS