Chrysler 300M 1999 Manual page 139

TEST 4A
REPAIRING BLEND DOOR OUTPUT SHORTED TO GROUND TROUBLE CODE
Perform TEST 1B Before Proceeding
START TEST 4A.
DISCONNECT THE
BODY CONTROL
MODULE C1 HARNESS
CONNECTOR.**
WITH AN OHMMETER,
MEASURE BETWEEN THE
SENSOR GROUND CKT
AND THE BLEND DOOR
DRIVER CKT. FIG. 1
DISCONNECT THE
BLEND DOOR
ACTUATOR HARNESS
CONNECTOR.**
*Perform Verification TEST VER-2A.
NOTE: FOR LOCATION
OF ALL COMPONENTS.
SEE GENERAL INFO 4.0
WITH AN OHMMETER,
MEASURE BETWEEN
GROUND AND THE
BLEND DOOR DRIVER
CIRCUIT. FIG. 1
WITH AN OHMMETER,
MEASURE BETWEEN THE
SENSOR GROUND CKT
AND THE BLEND DOOR
DRIVER CKT. FIG. 1
**Check connectors - Clean / repair as necessary.
129
CLOSE ALL DOORS
AND ENSURE THE
COURTESY LAMPS ARE
OFF.
IS THE RERSISTANCE YES
BELOW 5.0 OHMS?
NO
IS THE RESISTANCE NO
BELOW 5.0 OHMS?
YES
IS THE RESISTANCE NO
BELOW 5.0 OHMS?
YES
REPAIR THE BLEND
DOOR DRIVER
CIRCUIT FOR A
SHORT TO GROUND.*
REPLACE THE BODY
CONTROL MODULE.*
REPLACE THE BLEND
DOOR ACTUATOR.*
REPAIR THE BLEND
DOOR DRIVER CIRCUIT
FOR A SHORT TO THE
SENSOR GROUND
CIRCUIT.*
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