Toyota Celica 1993 AT200 series Repair Manual page 761

BE-28
BoDy ELECTRTcAL
sysrEM - HEADLTGHT
AND TATLLTcHT
sysrEM
Junction Block Side
C o n n e c t o r " A "
Wire Harness Side
s . 1 2 , 1 , A
C o n n e c t o r
" B "
? r i r 5 7
I N T E G R A T I O N
R E L A Y I N S P E C T I O N
INSPECT INTEGRATION RELAY
Light Auto Turn Of{ Systsm / Circuit
Remove the relay from junction block and inspect the
connectors on ths wi16 harness and junction block
side, as shown in the chart.
T66tor conngction to
t 6 r m i n a l n u m b o r
Condition
Sp6cifi6d v€lue (Continuity)
A4 - Ground
Passsnggr's door courtesy switch ON
C o n t r n u r t y
A8 - Ground
Driv€r's door courtssy switch ON
Continuity
A 1 0 - G r o u n d
Constant
Continuity
B l - G r o u n d
Light control switch position OFF or HEAD
No continuity
B 1 - G r o u n d
Light control switch position TAIL
Continuity
8 4 - G r o u n d
Light control switch position OFF or TAIL
No continuity
84 - Ground
Light control switch position HEAD
Continuity
T6star conn€ction to
t6rmtntl numb6r
Condition
Sp.cifiod valu€ {Voltago)
A 1 - G r o u n d
Constant
Brttery voltag.
A 7 - G r o u n d
lOnition switch position LOCK or ACC
No voltae.
A7 - Ground
lgnition 6witch position ON
Battery voltsg6
82 - Ground
Constant
B!tt6ry voltrg6
83 - Ground
Constant
8!ttory voltag.
lf the circuit is as specified, trying replacing the relay
wtth a new ono.
lf the circuit is not as specified, inspect the circuits
con nected to other parts.