Trouble Code - Chrysler 300M 1999 Manual

CONTINUED - REPAIRING BLEND DOOR FEEDBACK/STALL TEST FAILURE
TEST 3A

TROUBLE CODE

TEST 3A
CONTINUED FROM
THE PREVIOUS
PAGE.
USING AN OHMMETER,
MEASURE BETWEEN
GROUND AND THE
SENSOR GROUND
CIRCUIT. FIG. 1
CONNECT A TEST
LIGHT BETWEEN THE
BLEND DOOR DRIVER
CIRCUIT AND
GROUND. FIG. 1
MONITOR THE TEST
LIGHT WHILE PRESSING
(TURNING) THE TEMP
SWITCH TO THE FULL
HOT (HI) POSTION.
CONNECT A TEST
LIGHT BETWEEN THE
COMMON DOOR DRIVER
CIRCUIT AND
GROUND. FIG. 1
MONITOR THE TEST
LIGHT WHILE PRESSING
(TURNING) THE TEMP
SWITCH TO THE FULL
COLD (LO) POSTION.
*Perform Verification TEST VER-2A.
KEY OFF. CLOSE ALL
DOORS, ENSURE
COURTESY LAMPS ARE
OFF, WAIT ONE
MINUTE.
KEY ON. PRESS (TURN)
THE TEMPERATURE
CONTROL SWITCH TO
THE FULL COLD (LO)
POSTION.
NOTE: THE TEST LIGHT
SHOULD FLASH WHILE
IN THE 67 TO 81
DEGREEE RANGE
(ATC DISPLAY RANGE).
WITH THE
TEMPERATURE IN THE
FULL HOT (HI)
POSTION.
NOTE: THE TEST LIGHT
SHOULD FLASH WHILE
IN THE 81 TO 67
DEGREEE RANGE
(ATC DISPLAY RANGE).
**Check connectors - Clean / repair as necessary.
125
IS THE RESISTANCE NO
BELOW 60.0 OHMS?
YES
DID THE TEST LIGHT
FLASH BETWEEN 67 NO
AND 81 DEGREES
(APPROXIMATELY 5
SECONDS FOR MTC)?
YES
DID THE TEST LIGHT
FLASH BETWEEN 81 NO
AND 67 DEGREES
(APPROXIMATELY 5
SECONDS FOR MTC)?
YES
REPAIR THE OPEN
SENSOR GROUND
CIRCUIT.*
CONTINUE TEST
3A ON THE NEXT
PAGE.
CONTINUE TEST
3A ON THE NEXT
PAGE.
REPLACE THE BLEND
DOOR ACTUATOR.*
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