Lexus SC300 / Lexus SC400. Manual — part 211
ASSEMBLY OF COMBINATION SWITCH
INSTALL PARTS OF COMBINATION SWITCH IN RE-
VERSE SEQUENCE OF DISASSEMBLY
(MAIN POINT OF INSTALLATION)
1.
INSTALL LIGHT CONTROL SWITCH
(a) Slide the switch and install the switch body.
(b) Set the lever in the HI position, and install the ball and
plate.
(c) After
installing the light control switch to the switch body,
insure that the switch operation is smooth.
2.
INSTALL TERMINALS TO CONNECTOR
•
Push in the terminal until it is securely locked in the
connector lug.
•
Install each switch terminal as shown in the figure.
–
BODY ELECTRICAL SYSTEM
Lighting System
BE–45
INSPECTION OF COMBINATION SWITCH
1.
INSPECT LIGHT CONTROL SWITCH
(Continuity)
Inspect the switch continuity between terminals.
If continuity is not as specified, replace the switch.
2.
INSPECT DIMMER SWITCH
(Continuity)
Inspect the switch continuity between terminals.
If continuity is not as specified, replace the switch.
3.
INSPECT TURN SIGNAL SWITCH
(Continuity)
Inspect the switch continuity between terminals.
If continuity is not as specified, replace the switch.
4.
INSPECT CORNARING LIGHT SWITCH
(Continuity)
Inspect the switch continuity between terminals.
If continuity is not as specified, replace the switch.
BE–46
–
BODY ELECTRICAL SYSTEM
Lighting System
5. USA
INSPECT COMBINATION SWITCH CIRCUIT
(a) Pull the spool body to forward and separate spool body
from steering column.
(b) Connect the wire harness side connector to the
combination switch and inspect wire harness side
connector from the back side as shown.
(Light Control Switch Circuit)
Check for
Tester connection
Condition
Specified value
Continuity
B4–Ground
Constant
Continuity
(Dimmer Switch Circuit)
Check for
Tester connection
Condition
Specified value
*
1
B7 Ground
Light Control Switch Position
OFF or TAIL
No voltage
*
1
B7–Ground
Light Control Switch Position
HEAD
Battery voltage
Voltage
Low beam
No voltage
*
1
B9–Ground
Dimmer Switch Position
Flash or High
beam
Battery voltage
Continuity
B18–Ground
Constant
Continuity
*1: USA
(Turn Signal Switch Circuit)
Check for
Tester connection
Condition
Specified value
Voltage
A3–Ground
Hazard Warning Switch ON
Battery voltage
↔
0 V
Ignition Switch ON and turn
signal switch position
Right
Battery voltage
↔
0 V
A4–Ground
Hazard Warning Switch ON
Battery voltage
↔
0 V
Ignition Switch ON and turn
signal switch position
Left
Battery voltage
↔
0 V
Continuity
A12–Ground
Constant
Continuity
(Cornaring Light Control Switch Circuit)
Check for
Tester connection
Condition
Specified value
Voltage
A8–Ground
Light control switch HEAD and
LO
Battery voltage
g
g
dimmer switch position
HI or FLASH
No voltage
Continuity
A10–Ground
Constant
*
2
Continuity
y
A11–Ground
Constant
*
2
Continuity
*
2
There is resistance because this circuit is grounded through the bulb.
If the circuit is not as specified, refer to
and inspect the circuits connected to other parts.
–
BODY ELECTRICAL SYSTEM
Lighting System
BE–47
(Headlight Control Relay)
INSPECTION OF HEADLIGHT CONTROL
RELAY
INSPECT HEADLIGHT CONTROL RELAY
(Continuity)
Inspect relay continuity between terminals.
If continuity is not as specified, replace the relay.
(Relay Circuit)
(See page
(Headlight Dimmer Relay)
INSPECTION OF HEADLIGHT DIMMER
RELAY
INSPECT HEADLIGHT DIMMER RELAY
(Continuity)
Inspect relay continuity between terminals.
If continuity is not as specified, replace the relay.
BE–48
–
BODY ELECTRICAL SYSTEM
Lighting System
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст