1992 Toyota Previa Electrical Supplement

(Tam Dominh) #1
SYSTEM OUTLINE
WITH THE IGNITION SW TURNED ON. CURRENT FLOWS THROUGH THE POWER FUSE TO TERMINAL 3 OF THE MOON ROOF CONTROL RELAY.


  1. SLIDE OPEN OPERATION
    WITH THE IGNITION SW TURNED ON AND THE MOON ROOF SW PUSHED TO OPEN POSITION. THE CURRENT FLOWING TO TERMINAL 3 OF MOON
    ROOF CONTROL RELAY FLOWS THROUGH TERMINAL a TO GROUND.
    AS A RESULT. THE RELAY COIL OPERATES AND THE CURRENT FLOWS FROM TERMINAL 3 OF RELAY ---? TERMINAL 4 ---? TERMINAL 2 OF
    MOON ROOF MOTOR ---? MOTOR ---? TERMINAL I ---? TERMINAL 10 OF RELAY ---? TERMINAL a ---? TO GROUND AND ROTATES THE
    MOTOR TO OPEN THE MOON ROOF AS LONG AS THE MOON ROOF SW IS PUSHED.
    WHEN THE MOON ROOF IS OPENED COMPLETELY. EVEN IF T~ MOON ROOF SW IS PUSHED CONTINUOUSLY. THE CURRENT TO THE MOON ROOF
    MOTOR INCREASES.
    IN THIS CASE. THE CIRCUIT BRAKER BUILT INTO THE MOTOR OPENS AND CUTS OUT THE CURRENT TO THE MOTOR. PREVENTING THE
    MOTOR FROM BURNING OUT.

  2. SLIDE CLOSED OPERATION
    WITH THE IGNITION SW TURNED ON AND THE MOON ROOF SW PUSHED TO CLOSED POSITION. A SIGNAL IS INPUT TO TERMINAL 5 OF MOON
    ROOF CONTROL RELAY FROM TERMINAL I OF THE MOON ROOF SW. THUS THE RELAY COIL OPERATES AND THE CURRENT FLOWING TO
    TERMINAL a OF RELAY FLOWS TO TERMINAL 10 ---? TERMINAL I OF MOON ROOF MOTOR ---? MOTOR ---? TERMINAL 2 ---?
    TERMINAL 4 OF RELAY ---? TERMINAL a ---? TO GROUND AND ROTATES THE MOTOR TO CLOSED THE MOON ROOF. SLIDE CLOSED
    OPERA TI ON CONT I NUES WH I LE THE MOON ROOF SW CONTI NUES TO BE PUSHED. APPROX. 150MM (5. 9II N .) BEFORE THE FULLY CLOSED
    POSITION THE MOON ROOF LIMIT SW NO.1 TURNS ON AND THIS SIGNAL IS INPUT INTO THE RELAY. SO THE RELAY STOPS OPERATION.
    THUS CURRENT DOES NOT FLOW TO THE MOON ROOF MOTOR AND THE MOON ROOF AUTOMATICALLY STOPS.
    IF THE MOON ROOF SW IS THEN PUSH AGAIN. THE TIMER INSTALLED IN THE MOON ROOF CONTROL TURNS ON AND THE RELAY OPERATES
    FOR APPROX. 0.65SEC. TO RE-OPERATE THE MOTOR SO THAT THE MOON ROOF LIMIT SW TURNS ON. AS ARESULT. AS LONG AS THE MOON
    ROOF SW IS PUSHED. SLIDE CLOSED OPERATION OCCURS AND THE MOON ROOF IS ABLE TO FULLY CLOSED.


3.KEY OFF MOON ROOF OPERATION
WITH THE IGNITION SW ON TO OFF. THE THEFT DETERRENT ECU (WI THEFT DETERRENT SYSTEM) OR DOOR LOCK CONTROL RELAY (W/O
THEFT DETERRENT SYSTEM) OPERATES AND CURRENT FLOWS FROM DOOR FUSE TO TERMINAL ® a OF THE THEFT DETERRENT ECU (W/O
THEFT DETERRENT SYSTEM) OR TERMINAL @ 8 OF THE DOOR LOCK CONTROL RELAY (W/O THEFT DETERRENT SYSTEM) ---? TERMINAL
<Da (WI THEFT DETERRENT SYSTEM) OR TER..MINAL @ 15 (W/O THEFT DETERRENT SYSTEM) TERMINAL I OF THE POWER MAIN RELAY
---? TERMINAL 3 ---? TO GROUND FOR ABOUT 60 SECONDS. THE SAME AS NORMAL. THE CURRENT FLOWS FROM POIIER FUSE ---?
TERMINAL 2 OF THE POWER MAIN RELAY ---? TERMINAL 4 ---? TERMINAL 3 OF THE MOON ROOF CONTROL RELAY. AS A RESULT. CLOSE
THE MOON ROOF. ALSO. BY OPENING THE FRONT DOOR (DOOR COURTESY SW ON) WITHIN 60 SECONDS AFTER TURNING THE IGNITION SW
TO OFF. A SIGNAL IS INPUT TO TERMINAL <D3 OF THE THEFT DETERRENT ECU (WI THEFT DETERRENT SYSTEM) OR TERMINAL @2 OF
THE DOOR LOCK CONTROL RELAY (W/O THEFT DETERRENT SYSTEM). AS A RESULT. TURNS OFF AND OPEN AND CLOSE MOVEMENT OF THE
MOON ROOF STOPS.

SERVICE HINTS
(I)POWER MAIN RELAY
(I) 1-(I)3:APPROX. 12VOLTS WITH IGNITION SW AT ON POSITION
(I) 2-(I) 4:CLOSED WITH IGNITION SW AT ON POSITION
M 2 MOON ROOF CONTROL RELAY
8-GROUND:ALWAYS CONTINUITY
6-GROUND:APPROX. 12VOLTS WITH IGNITION SW AT ON POSITION
4-GROUND:APPROX. 12VOLTS WITH IGNITION SW ON AND MOON ROOF CONTROL SW CLOSE POSITION
IO-GROUND:APPROX. 12VOLTS WITH IGNITION SW ON AND MOON ROOF CONTROL SW OPEN POSITION

Free download pdf