Chrysler New Yorker. Manual - part 471

TEST 22A

CONTINUED - REPAIRING

(

LEFT SEAT HEAT OUTPUT SHORTED TO GROUND

(

TROUBLE CODE

FIG. 1

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482

TEST 22A

CONTINUED - REPAIRING

(

LEFT SEAT HEAT OUTPUT SHORTED TO GROUND

(

TROUBLE CODE

*Perform Verification TEST VER-4A.

**Check connectors - Clean / repair as necessary.

TEST 22A

TURN IGNITION OFF. 

CONTINUED FROM 

THE PREVIOUS USING AN 

PAGE.

OHMMETER...

MEASURE THE LEFT 
SEAT HEATER B(+) 

IS THE RESISTANCE 

NO 

REPLACE THE MEMORY 

DRIVER CKT (CAV A) 

BELOW 1000.0 (1K) 

HEATED SEAT/MIRROR

TO GROUND.

OHMS?

MODULE.* 

FIG. 1

YES

REPAIR THE LEFT 
SEAT HEATER B(+) 
DRIVER CKT FOR A

SHORT TO GROUND.* 

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TEST 23A

REPAIRING

(

LEFT HEATED SEAT SWITCH STUCK IN LOW STATE

(

TROUBLE CODE

Perform TEST 1A Before Proceeding

FIG. 1

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484

TEST 23A

REPAIRING

(

LEFT HEATED SEAT SWITCH STUCK IN LOW STATE

(

TROUBLE CODE

Perform TEST 1A Before Proceeding

*Perform Verification TEST VER-4A.

**Check connectors - Clean / repair as necessary.

NOTE: FOR LOCATION 
OF ALL COMPONENTS 

START TEST 23A. 

SEE GENERAL INFO 4.0

DISCONNECT THE LEFT 

USING THE DRB

SEAT HEATER SWITCH 

ERASE THE TROUBLE

HARNESS CONNECTOR.** CODE.

FIG. 1

TURN IGNITION OFF. 

TURN IGNITION ON 

DOES THE "LEFT

(ENGINE OFF).

HEATED SEAT SWITCH  YES

REPLACE THE SEAT 

USING THE DRB

OPEN/SHORTED TO 

HEATER SWITCH.* 

SELECT "READ

GROUND" TROUBLE

DTC’s".

CODE APPEAR?

NO 

USING A VOLTMETER, REPAIR 

THE LEFT 

DISCONNECT THE

MEASURE LEFT SEAT 

IS THE VOLTAGE

YES

SEAT HEATER SWITCH 

MHSMM "C1" HARNESS

HEATER SW MUX CKT

ABOVE 0.2 VOLTS

MUX CIRCUIT FOR A

CONNECTOR.** 

(CAV 6) TO GROUND.

SHORT TO VOLTAGE.*

FIG. 1

NO 

REPLACE THE MEMORY 
HEATED SEAT/MIRROR

MODULE.* 

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485