Repairing Left Mirror Inoperative From Memory - Chrysler 300M 1999 Manual

TEST 44A

REPAIRING LEFT MIRROR INOPERATIVE FROM MEMORY

Perform TEST 1A Before Proceeding
START TEST 44A.
DISCONNECT THE
MHSMM "C2" HARNESS
CONNECTOR.**
PRESS THE LEFT
MIRROR SWITCH TO
THE LEFT POSITION
AND OBSERVE THE
VOLTMETER.
USING A VOLTMETER,
MEASURE THE LEFT
MIRROR UP DRIVER
CKT (CAVITY 5).
FIG. 1
USING A VOLTMETER,
MEASURE THE LEFT
MIRROR COMMON DRIVER
CKT (CAVITY 3).
FIG. 1
*Perform Verification TEST VER-4A.
NOTE: FOR LOCATION
OF ALL COMPONENTS
SEE GENERAL INFO 4.0
USING A VOLTMETER,
MEASURE THE LEFT
MIRROR LEFT DRIVER
CKT (CAVITY 4).
FIG. 1
PRESS THE LEFT
MIRROR SWITCH TO
THE UP POSITION
AND OBSERVE THE
VOLTMETER.
PRESS THE LEFT
MIRROR SWITCH TO
THE DOWN POSITION
AND OBSERVE THE
VOLTMETER.
**Check connectors - Clean / repair as necessary.
541
NOTE: IF THE SEAT
IS UNBOLTED FOR
TESTING, CONNECT A
JUMPER WIRE
FROM...
DID THE VOLTAGE
READ ABOVE 10.0 NO
VOLTS WHEN THE
SWITCH WAS
PRESSED?
YES
DID THE VOLTAGE
READ ABOVE 10.0 NO
VOLTS WHEN THE
SWITCH WAS
PRESSED?
YES
DID THE VOLTAGE
READ ABOVE 10.0 NO
VOLTS WHEN THE
SWITCH WAS
PRESSED?
YES
THE SEAT FRAME TO
A KNOWN GOOD
GROUND.
REPAIR THE OPEN
LEFT MIRROR LEFT
DRIVER CIRCUIT.*
REPAIR THE OPEN
LEFT MIRROR UP
DRIVER CIRCUIT.*
REPAIR THE OPEN
LEFT MIRROR COMMON
DRIVER CIRCUIT.*
REPLACE THE MEMORY
HEATED SEAT MIRROR
MODULE (MHSMM).*
M
E
M
O
R
Y
S
Y
S
T
E
M