Subaru 1600 Service Manual page 796

ELECTRICAL SYSTEM
b. Meter displays when ignition-starter switch is on, but trip computer is cancelled when turned off.
The trip computer comes into test program* condition each time the ignition-starter switch is turned on.
(These troubles are due to the condition where the battery power is not supplied to the micro-computer.)
CheckifNo.l fuse (lOA) is Yes
Check cause and replace fuse.
I
blown.
No
-
Check if connector (1 pole;
Check if voltage always appears Green wiring), for preventing
at terminal
@
of connector on
No
running-down of battery,
No
back of meter. under left side of instrument
panel is wired.
Yes Yes
Check if terminal
@
or
@
of
junction on back of meter is
No
Improper ground.
J
grounded.
Yes
Check if terminal
@
of
connector on back of meter is
No
Improper ground.
I
grounded.
I
Yes
Digital computer unit defective
or poor connection of con-
nectors in the meter.
*Test program: By putting the digital meter and trip computer in the test program
condition, it is possible to check the wirings and operation of the
fluorescent display tubes, if the chime and buzzer sound, and if
low fuel warning light is broken.
15-133
I
Wire connector.
I
J