Chrysler New Yorker. Manual — part 398

TEST 17A

REPAIRING INCORRECT BLOWER MOTOR SPEEDS

Perform TEST 1A Before Proceeding

FIG. 1

FIG. 2

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TEST 17A

REPAIRING INCORRECT BLOWER MOTOR SPEEDS

Perform TEST 1A Before Proceeding

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

REPLACE THE

IS THE BL0WER

NO

AUTOMATIC

START TEST 17A.

MOTOR STUCK ON

TEMPERATURE

HIGH SPEED?

CONTROL HEAD.*

YES

KEY OFF.

USING AN OHMMETER,

REPAIR THE OPEN

REMOVE THE BODY

MEASURE BETWEEN GND

IS THE RESISTANCE

NO

GROUND CIRCUIT TO

CONTROL MODULE.**

AND THE GROUND CKT

BELOW 5.0 OHMS?

JUNCTION BLOCK. IF

(TERMINAL 20) IN THE

OK, REPLACE THE

SEE GENERAL INFO 4.0

J/B INT CONN. FIG. 1

JUNCTION BLOCK.*

YES

USING AN OHMMETER,

REPAIR THE OPEN

MEASURE BETWEEN GND

IS THE RESISTANCE

NO

GROUND CIRCUIT TO

AND THE GROUND CKT

BELOW 5.0 OHMS?

JUNCTION BLOCK. IF

(TERMINAL 1) IN THE

OK, REPLACE THE

J/B INT CONN. FIG. 1

JUNCTION BLOCK.*

YES

DISCONNECT THE ATC
POWER MODULE 4-WAY

TURN IGNITION ON

HARNESS CONNECTOR.** (ENGINE OFF).

SEE GENERAL INFO 4.0

USING A VOLTMETER,

REPAIR THE BLOWER

MEASURE THE BLOWER IS

THE VOLTAGE

YES

MOTOR CONTROL

MOTOR CONTROL

ABOVE 1.0 VOLTS? CIRCUIT FOR A

CIRCUIT.

SHORT TO VOLTAGE.*

FIG. 2

NO

CONTINUE TEST
17A ON THE NEXT

PAGE.

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TEST 17A

CONTINUED - REPAIRING INCORRECT BLOWER MOTOR SPEEDS

FIG. 1

FIG. 2

FIG. 3

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TEST 17A

CONTINUED - REPAIRING INCORRECT BLOWER MOTOR SPEEDS

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

TEST 17A

CONTINUED FROM RECONNECT THE ATC

THE PREVIOUS POWER MODULE

PAGE.

HARNESS CONNECTOR.

CONNECT A JUMPER IS

THE BLOWER

WIRE BETWEEN GROUND

MOTOR STILL

NO

REPLACE THE BODY

AND THE BLOWER MOTOR

RUNNING AT FULL

CONTROL MODULE.*

CONTROL CIRCUIT. SPEED?

FIG. 1

YES

TURN IGNITION OFF.

DISCONNECT THE ATC
POWER MODULE 4-WAY

HARNESS

REMOVE THE JUMPER

CONNECTOR.**

WIRE.

USING AN OHMMETER,

CONNECTOR AND THE

MEASURE THE BLOWER BCM C2

HARNESS

IS

THE RESISTANCE NO REPAIR

THE OPEN

MOTOR CONTROL

CONNECTOR. BELOW 5.0 OHMS?

BLOWER

MOTOR

CIRCUIT BETWEEN THE

CONTROL CIRCUIT.*

POWER MODULE...

FIG. 2

YES

USING AN OHMMETER,

MEASURE BETWEEN

IS

THE RESISTANCE NO REPAIR

THE OPEN

GROUND AND THE

BELOW 5.0 OHMS?

GROUND CIRCUIT.*

GROUND CIRCUIT.

FIG. 3

YES

REPLACE THE ATC

POWER MODULE.*

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