Page 1625 of 1954

Driving Positio n Memor y Syste m (DPMS )
Troubleshootin g (cont'd )
From pag e 23-221
I s ther e batter y voltage ?
NO• Ope n o r shor t i n th e BL U wir e
• Fault y powe r mirro r switc h
YES
Powe r Mirro r Actuato r (Righ t Mir -ror) :NOTE : Al l mirro r contro l uni t con -
nector s mus t b e disconnected .
1 . Disconnec t th e mirro r contro l
uni t 12 P an d 16 P connectors .
2 . Connec t th e mirro r contro l
uni t 12 P connecto r A1 1 termi -
nal t o th e mirro r contro l uni t16P connecto r B 3 terminal .
3 . Connec t th e mirro r contro l uni t
16 P connecto r B 4 o r [B12 ] ter -
mina l t o ground . NOTE
: Al l connecto r view s ar e fro m wir e sid e
o f femal e terminals .
MIRRO R CONTRO L UNI T
12 P CONNECTO R "A "
MIRRO R CONTRO L UNI T
16 P CONNECTO R "B "
• Ope n o r shor t i n th e BRN , YE L o r
[BLU ] wire s
• Fault y righ t mirro r actuato r
Doe
s th e righ t mirro r swin g lef t
or [til t down]?
N O
YE S
Powe r Mirro r Actuato r (Lef t Mir -ror):NOTE : Al l mirro r contro l uni t con -
nector s mus t b e disconnected .
1 . Connec t th e mirro r contro l uni t
12 P connecto r A1 1 termina l t o
th e mirro r contro l uni t 16 P con -
necto r B1 1 terminal .
2. Connec t th e mirro r contro l uni t16P connecto r B 2 o r [B10 ] ter -
mina l t o ground .
Doe s th e lef t mirro r swin g
left o r [til t down] ?
• Ope n o r shor t i n th e BRN , YE L o r
[BLU ] wire s
• Fault y lef t mirro r actuato rNO
YE S
Powe r Mirro r Positio n Senso r(Common) :1. Connec t th e al l mirro r contro l
uni t connectors .
2 . Tur n th e ignitio n switc h O N (II) .
3 . Chec k fo r voltag e betwee n th e
mirro r contro l uni t 16 P connec -
to r B 8 an d B1 6 terminals .
• Ope n o r shor t i n th e RED/BL K o r
BRN/WH T wire s
• Fault y powe r mirro r positio n
sensor• Fault y mirro r contro l uni t
NOIs ther e 5V ?
YES
To pag e 23-223
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Page 1626 of 1954

Substitute a known-goo d mirro r
contro l unit , an d recheck . I f th e
system s no w wor k OK , replac e
th e origina l mirro r contro l unit . •
Ope n o r shor t i n th e GR Y o r
BRN/WH T wire s
• Fault y lef t powe r mirro r posi -
tio n senso r
• Fault y mirro r contro l uni t
NOAr e voltage s a s specified ?
YES
Lef t Powe r Mirro r Positio n Sen -sor (Vertical) :
Chec k fo r voltag e betwee n th e mir -
ro r contro l uni t 16 P connecto r B1 4
and B1 6 terminals . A s th e mirro rtilts fro m up to down , th e voltag eshould chang e fro m abou t 1 V to3V .
YES
Are voltage s a s specified ?NO
• Ope n o r shor t i n th e GRN/WH T
o r BRN/WH T wire s
• Fault y lef t powe r mirro r posi -
tio n senso r
• Fault y mirro r contro l uni t
Lef
t Powe r Mirro r Positio n Sen -
so r (Horizontal) :
Chec k fo r voltag e betwee n th e
mirro r contro l uni t 16 P connecto r
B6 an d B1 6 terminals . A s th e mir -ror swing s fro m lef t t o right , th evoltag e shoul d chang e fro m
abou t 3 V to 1 V .
YE S
Are voltages as specified ?NO
• Ope n o r shor t i n th e GR Y o r
BRN/WH T wire s
• Fault y righ t powe r mirro r posi -
tion senso r• Fault y mirro r contro l uni t
Righ
t Powe r Mirro r Positio n Sen -
so r (Vertical) :
Chec k fo r voltag e betwee n th e mir -
ro r contro l uni t 16 P connecto r B1 5
and B1 6 terminals . A s th e mirro rtilts u p t o down , th e voltag eshould chang e fro m abou t 1 V to 3V .
YE S
Are voltages as specified ?
• Ope n o r shor t i n th e GR N o rBRN/WH T wire s
• Fault y righ t powe r mirro r posi -
tio n senso r
• Fault y mirro r contro l uni tNO
Righ t Powe r Mirro r Positio n Sen -
so r (Horizontal) :
Chec k fo r voltag e betwee n th e mir -
ror contro l uni t 16 P connecto r B 7an d B1 6 terminals . A s th e mirro rswings fro m righ t t o left , th e volt -
ag e shoul d chang e fro m abou t
3Vto 1 V .
Fro
m pag e 23-222
NOTE: Al l connecto r view s ar e fro m wir e sid e
of femal e terminals .
MIRROR CONTRO L UNI T
16 P CONNECTO R "B "
(cont'd )
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Page 1627 of 1954

Driving Positio n Memor y Syste m (DPMS )
Troubleshootin g (cont'd )
Flowchar t No . 1 1
MEM O Button :
Chec k fo r voltag e betwee n th e col -
um n contro l uni t 16 P connecto r B 8
an d B1 6 terminals . Ther e shoul d
b e 1 V or les s wit h th e MEM O but -
to n pushe d an d 5 V or mor e wit h
th e MEM O butto n released . NOTE
: Al l connecto r view s ar e fro m wir e sid e
o f femal e terminals .
COLUM N CONTRO L UNI T
16 P CONNECTO R "B "
• Ope n o r shor t i n th e YEL/WH T o r
YEL/BL U wire s
• Fault y drivin g positio n memor y
switc h
NOAr e voltage s a s specified ?
YES
Indicato r 1 :
1 . Disconnec t th e colum n con -
trol uni t 12 P connecto r "A" .2. Attac h th e colum n contro l uni t12P connecto r A 3 termina l (har -ness side ) t o ground .
Doe s indicato r 1 com e on ?
NO
• Ope n o r shor t i n th e WHT/YE L o r
RED/GR N wire s
• Fault y indicato r 1 (LED )
• Fault y drivin g positio n memor y
switc h
YES
Indicato r 2 :
Attac h th e colum n contro l uni t 12 P
connecto r A 9 termina l (harnes s
side ) t o ground .
• Ope n o r shor t i n th e WHT/YE L o r
RE D wire s
• Fault y indicato r 2 (LED )
• Fault y drivin g positio n memor y
switc h
Doe
s indicato r 2 com e on ?NO
YE S
Substitut e a known-goo d colum n
contro l unit , an d recheck . I f th e
system s no w wor k OK , replac e
th e origina l colum n contro l unit .
COLUM N CONTRO L UNI T12P CONNECTO R "A "
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Page 1628 of 1954
Driving Positio n Memor y
Switc h Tes t
1. Remov e th e driver' s doo r pane l (se e sectio n 20 ).
2 . Disconnec t th e 10 P connecto r fro m th e memor y
switch .
MEMO BUTTO N
INDICATOR S(LED)
Termina l sid e o fmal e terminal s
POSITIONBUTTON S
3. Chec k fo r continuit y betwee n th e terminal s i n eac h
switc h positio n accordin g t o th e table .
3. Chec k fo r continuit y betwee n th e terminal s i n eac h
switc h positio n accordin g t o th e table .
Steerin g Colum n Switc h Tes t
1. Remove the steering column covers (see
section 20 ).
2 . Disconnec t th e 7 P connecto r fro m th e switch , the n
remov e th e switc h fro m th e steerin g colum n lowe r
cover .
STEERIN G COLUM N SWITC H
STEERIN G COLUM NLOWER COVE R
ProCarManuals.com
Page 1629 of 1954
Driving Positio n Memor y Syste m (DPMS )
Tilt/Extend-retrac t Moto r Tes t
1. Remove the steering column covers (see
section 20 ).
2 . Disconnec t th e connecto r fro m eac h motor .
EXTEND -RETRAC TMOTOR
EXTEND-RETRAC T MOTO R TIL T MOTO R
2 P CONNECTO R 3 P CONNECTO R
3. Tes t th e motor s accordin g t o th e table :
Tilt Motor :
Extend-retrac t Motor :
CAUTION : Whe n a moto r stop s running , disconnec t
batter y powe r immediately .
Tilt/Extend-retrac t Positio n Senso r
Test
1. Remove the steering column covers (see
section 20 ).
2 . Disconnec t th e 4 P connecto r fro m th e sensor .
EXTEND -RETRAC TPOSITION
SENSO R
4 P CONNECTO R
Termina l sid e o f
mal e terminal s
3. Measur e resistanc e betwee n th e terminal s i n eac h
positio n accordin g t o th e table .
Positio nTermina lResistanc e
Terminal sid e o fmal e terminal s
TIL
T
MOTO R
TILT
POSITIO N
SENSO R
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Page 1630 of 1954
2. Disconnec t th e 10 P connecto r fro m th e switch , the n
remov e th e switc h fro m th e cove r b y removin g it s
tw o mountin g screws .
Driver's Powe r Sea t Switc h Tes t
1. Remov e th e adjustmen t switc h cover , an d pul l of f
th e adjustmen t switc h kno b (se e sectio n 20 ).
DRIVER' S POWE R SEA TADJUSTMEN T SWITC H
3. Chec k fo r continuit y betwee n th e terminal s i n eac h
switc h positio n accordin g to th e table .
ProCarManuals.com
Page 1631 of 1954
Driving Positio n Memor y Syste m (DPMS )
Driver's Powe r Sea t Moto r Tes t
CAUTION : B e carefu l no t t o damag e th e seat , interio r
tri m or body .
1 . Remov e th e driver' s sea t (se e sectio n 20 ).
2 . Disconnec t th e connecto r fro m eac h powe r sea t
motor .
Termina l sid e o f mal e terminal s
RECLIN E MOTO R
REAR UP-DOW NMOTOR
DRIVER' S SEA T
FRON T UP-DOW N
MOTOR
Termina l sid e o f mal e terminal s
SLID
E MOTO R
3. Tes t th e motor s accordin g t o th e table :
CAUTION : Whe n a moto r stop s running , disconnec t
batter y powe r immediately .
4 . I f th e moto r doe s no t ru n o r fail s t o ru n smoothly ,
replac e it (se e sectio n 20 ).
ProCarManuals.com
Page 1632 of 1954
Driver's Powe r Sea t Positio n Senso r Tes t
CAUTION : B e carefu l no t t o damag e th e seat , interio r
tri m o r body .
1 . Remov e th e driver' s sea t (se e sectio n 20 ).
2 . Disconnec t th e connecto r fro m eac h powe r sea t
memor y senso r an d motor .
RECLIN EPOSITIO NSENSOR
REARUP-DOW NPOSITIONSENSOR
FRONT
UP-DOW N
POSITIO N
SENSOR
SLIDEPOSITIO NSENSOR
NOTE: I f a moto r doe s no t run , revers e powe r an d
ground . I f th e moto r stil l doe s no t run , replac e th e
motor .
3. Tes t th e senso r b y connectin g powe r an d groun d t o
th e motor , an d connec t a n analo g ohmmete r tes t
lead s t o th e senso r connector .
Th e needl e i n th e ohmmete r shoul d mov e fro m lef t
to right .
CAUTION : Whe n a moto r stop s running , discon -
nec t powe r immediately .
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