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Maintenance Reminder Unit Input Test
)
v
t
1 .
With the ignjtion switch OFF, disconnect the 5P con-
nector from the reminder unit.
Inspect the connector and socket terminals to be
sure they are all making good contact.
a lf the terminals are bent, loose or corroded, repair
them as necessary, and recheck the system.
a lf the terminals look OK, make the following in-
put tests at the connector.
- lf a test indicates a problem, find and correct
the cause, then recheck the system.
lf all the input tests prove OK, the remind€r unit
must be faulty; replace it.
2 .
View from wire side
MAINTENANCE
REMINDER UNIT
No.
Wile
Test condition
Test: Dosired result
Possible cause it lesult is not obtained
ORN
I
BLK
Under all conditions
Check for continuity to ground:
There should be continuity.
. P o o r g r o u n d ( G 2 0 1 , G 4 0 1 1
. An open in the wire
2
W H T / B L U
U n d e r a l l c o n d i t i o n s
Check for voltage to ground:
There should be battery voltage
. Blown No. 47 (7.5 A) fuse in the under-
hood fuse/relay box
. An open in the wire
3
YEL
l g n i t i o n
O N
flr)
Check lor voltage to ground:
There should be battery voltage.
. Blown No.25 {7.5 A) fuse in the under-
dash fuse/relay box
. An open in the wire
4
PNK
l g n i t i o n O N { l l )
Connect to body ground: The
r e m i n d e r l i g h t s h o u l d g o o n .
B l o w n N o . 2 5 ( 7 . 5 A l f u s e i n t h e u n d e r -
dash fuse/relay box
Blown bulb
An open in the wire
5
O R N
l g n i t i o n O N ( l l ) , c a r i n
neutral with front of
car raised, one wheel
rotated with other
wheel blocked
Check for voltage to ground:
Meter should indicate pulsang
voltage.
. Faulty vehicle speed sensor (VSS)
. An open in the wire
t
23-139
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Troubleshooting
