Toyota MCV10 Automobile User Manual


 
113
WITH THE IGNITION SW TURNED ON, THE CURRENT FLOWS TO TERMINAL 7 OF THE INTEGRATION RELAY THROUGH GAUGE FUSE.
VOLTAGE IS APPLIED AT ALL TIMES TO TERMINAL (A) 2 OF THE INTEGRATION RELAY THROUGH THE TAILLIGHT RELAY (COIL SIDE),
AND TO TERMINAL (A) 3 THROUGH THE HEADLIGHT RELAY (COIL SIDE).
1. NORMAL LIGHTING OPERATION
(TURN TAILLIGHT ON)
WITH LIGHT CONTROL SW TURNED TO TAILLIGHT POSITION, A SIGNAL IS INPUT INTO TERMINAL (A) 1 OF THE INTEGRATION
RELAY. ACCORDING TO THIS SIGNAL, THE CURRENT FLOWING TO TERMINAL (A) 2 OF THE RELAY FLOWS FROM TERMINAL (A) 1
TERMINAL 2 OF THE LIGHT CONTROL SW TERMINAL 11 TO GROUND AND TAILLIGHT RELAY CAUSES TAILLIGHT TO TURN ON.
(TURN HEADLIGHT ON)
WITH LIGHT CONTROL SW TURNED TO HEADLIGHT POSITION, A SIGNAL IS INPUT INTO TERMINALS (A) 1 AND (A) 4 OF THE
INTEGRATION RELAY. ACCORDING TO THIS SIGNAL, THE CURRENT FLOWING TO TERMINAL (A) 3 OF THE RELAY FLOWS TO
TERMINAL (A) 4 TERMINAL 13 OF THE LIGHT CONTROL SW TERMINAL 11 TO GROUND IN THE HEADLIGHT CIRCUIT, AND
CAUSES TAILLIGHT AND HEADLIGHT RELAY TO TURN THE LIGHT ON. THE TAILLIGHT CIRCUIT IS SAME AS ABOVE.
2. LIGHT AUTO TURN OFF OPERATION
WITH LIGHTS ON AND IGNITION SW TURNED OFF (INPUT SIGNAL GOES TO TERMINAL 7 OF THE RELAY), WHEN DOOR ON DRIVER’S
SIDE IS OPENED (INPUT SIGNAL GOES TO TERMINAL 6 OF THE RELAY), THE RELAY OPERATES AND THE CURRENT IS CUT OFF
WHICH FLOWS FROM TERMINAL (A) 2 OF THE RELAY TO TERMINAL (A) 1 IN TAILLIGHT CIRCUIT AND FROM TERMINAL (A) 3 TO
TERMINAL (A) 4 IN HEADLIGHT CIRCUIT. AS A RESULT, ALL LIGHTS ARE TURNED OFF AUTOMATICALLY.
I13 INTEGRATION RELAY
7–GROUND : APPROX. 12 VOLTS WITH IGNITION SW AT ON POSITION
1–GROUND : ALWAYS APPROX. 12 VOLTS
(A) 3–GROUND : APPROX. 12 VOLTS WITH LIGHT CONTROL SW AT OFF OR TAIL POSITION
(A) 2–GROUND : APPROX. 12 VOLTS WITH LIGHT CONTROL SW AT OFF POSITION
6–GROUND : CONTINUITY WITH FRONT LH DOOR OPEN
(A) 4–GROUND : CONTINUITY WITH LIGHT CONTROL SW AT HEAD POSITION
(A) 1–GROUND : CONTINUITY WITH LIGHT CONTROL SW AT TAIL OR HEAD POSITION
10–GROUND : ALWAYS CONTINUITY
: PARTS LOCATION
CODE SEE PAGE CODE SEE PAGE CODE SEE PAGE
C12 32
F10
A 28 (1MZ–FE), 30 (5S–FE) F16 C 28 (1MZ–FE), 30 (5S–FE)
D12 34 (S/D), 35 (C/P), 36 (W/G)
F10
B 28 (1MZ–FE), 30 (5S–FE) I13 A 33
: JUNCTION BLOCK AND WIRE HARNESS CONNECTOR
CODE SEE PAGE JUNCTION BLOCK AND WIRE HARNESS (CONNECTOR LOCATION)
1B
1C
20 COWL WIRE AND J/B NO. 1 (INSTRUMENT PANEL LEFT)
1E
20
COWL
WIRE
AND
J/B
NO.
1
(INSTRUMENT
PANEL
LEFT)
1H 20 FLOOR NO. 1 WIRE J/B NO. 1 (INSTRUMENT PANEL LEFT)
1M 20 COWL WIRE AND J/B NO. 1 (INSTRUMENT PANEL LEFT)
2G 22 COWL WIRE AND J/B NO. 2 (ENGINE COMPARTMENT LEFT)
2H 22 ENGINE WIRE AND J/B NO. 2 (ENGINE COMPARTMENT LEFT)
: CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS
CODE SEE PAGE JOINING WIRE HARNESS AND WIRE HARNESS (CONNECTOR LOCATION)
EF1
38 (1MZ–FE)
ENGINE WIRE AND COWL WIRE
EF1
40 (5S–FE)
ENGINE WIRE AND COWL WIRE
: GROUND POINTS
CODE SEE PAGE GROUND POINTS LOCATION
IE 42 LEFT KICK PANEL
IG 42 INSTRUMENT PANEL BRACE LH
SYSTEM OUTLINE
SERVICE HINTS