Electrical Components Inspection
KEY SWITCH (insert)
Check continuity between terminals when key is inserted in igni-
tion key cylinder and key is removed from ignition key cylinder.
Terminal No. Condition Continuity
V1-V2Key is inserted. Yes
Key is removed. No
DRIVER SIDE DOOR SWITCH
Check continuity between terminals when door switch is pushed
and released.
Terminal No. Condition Continuity
V1-V3Door switch is pushed. No
Door switch is released. Yes
SEL015WB
SEL039X
WARNING CHIME/WAGON AND HARDTOP MODELS
EL-2077
System Description
WIPER OPERATION
The rear wiper switch is controlled by a ring built into the combination switch.
There are two wiper switch positions:
+ON (LO speed)
+INT (Intermittent)
With the ignition switch in the ON position, power is supplied
+through 10A fuse (No.
18, located in the fuse block)
+to rear wiper motor terminal
V4, and
+to rear wiper amplifier terminal
V5.
Low speed wiper operation
Ground is supplied to rear wiper switch terminalV24through body grounds.
When the rear wiper is placed in the ON position, ground is supplied
+through rear wiper switch terminal
V22
+to rear wiper relay terminalV6.
Then ground is supplied
+to rear wiper motor terminal
V1
+through rear wiper amplifier terminalsV2andV3.
With power and ground supplied, the wiper motor operates.
Auto stop operation
With the rear wiper switch turned OFF, rear wiper motor will continue to operate until wiper arm reaches
rear window base.
When wiper arm is not located at base of rear window with rear wiper switch OFF, ground is supplied
+to rear wiper motor terminal
V1
+through rear wiper amplifier terminalsV2,V7and
+through rear wiper motor terminal
V3, in order to continue rear wiper motor operation at low speed.
Ground is also supplied
+to rear wiper motor terminal
V2
+through body grounds.
When wiper arm reaches base of rear window, rear wiper motor terminals
V3andV4are connected instead
of terminals
V2andV3. Rear wiper motor will then stop wiper arm at the PARK position.
Intermittent operation
The rear wiper motor operates the wiper arm one time at low speed at an interval of approximately 7 sec-
onds.
When the rear wiper switch is placed in the INT position, ground is supplied
+to rear wiper amplifier terminal
V1
+through rear wiper switch terminalV21.
Then the rear wiper motor operates intermittently in the same manner as the low speed wiper operation.
WASHER OPERATION
With the ignition switch in the ACC or ON position, power is supplied
+through 10A fuse (No.
18, located in the fuse block)
+to rear washer motor terminal
V2.
When the ring is turned WASH position, ground is supplied
+to rear washer motor terminal
V1, and
+to rear wiper amplifier terminal
V4
+through terminalV23of rear wiper switch.
With power and ground is supplied, the rear washer motor operates.
The rear wiper motor operates when the ring is turned to WASH position for one second or more and for
approximately 3 seconds after the ring is released. This feature is controlled by the rear wiper amplifier in
the same manner as the low speed wiper operation.
REAR WIPER AND WASHER/WAGON AND HARDTOP MODELS
EL-2078
