Chrysler New Yorker. Manual - part 426

TEST 3A

CONTINUED - REPAIRING

(

DIMMING LEVEL SWITCH FAILURE

(

FIG. 1

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TEST 3A

CONTINUED - REPAIRING

(

DIMMING LEVEL SWITCH FAILURE

(

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

TEST 3A 

DISCONNECT THE

CONTINUED FROM HEADLAMP 

SWITCH 

THE PREVIOUS HARNESS

PAGE.

CONNECTOR.** 

MAKE SURE ALL

WITH AN OHMMETER,

REPAIR THE OPEN 

DOORS ARE CLOSED,

MEASURE BETWEEN

IS 

THE RESISTANCE NO HEADLAMP 

SWITCH 

THE IGNITION IS 

GROUND AND THE

BELOW 20.0 OHMS?

RETURN CIRCUIT. IF 

OFF AND ALL LAMPS

HEADLAMP SWITCH 

OK, REPLACE THE

ARE TURNED OFF. 

RETURN CKT. FIG. 1

BCM.*

YES

KEY ON.

REPAIR THE OPEN 

WITH A VOLTMETER, 

IS THE VOLTAGE

NO 

PANEL LAMPS DIMMER 

MEASURE THE PANEL

ABOVE 10.0 VOLTS? 

SIGNAL CIRCUIT. IF 

LAMPS DIMMER SIGNAL 

OK, REPLACE THE

CIRCUIT. FIG. 1

BCM.*

YES

WITH A TEST LIGHT

REPAIR THE PANEL

CONNECTED TO GROUND,

IS THE TEST LIGHT

YES

LAMPS DIMMER SIGNAL 

PROBE THE PANEL

ILLUMINATED? CIRCUIT FOR A SHORT

LAMPS DIMMER SIGNAL 

TO VOLTAGE. IF OK,

CIRCUIT. FIG. 1

REPLACE THE BCM.*

NO 

REPLACE THE

HEADLAMP SWITCH.* 

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TEST 4A

REPAIRING ALL GAUGES NOT OPERATING PROPERLY

Perform TEST 1A Before Proceeding

FIG. 1

FIG. 2

FIG. 3

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TEST 4A

REPAIRING ALL GAUGES NOT OPERATING PROPERLY

Perform TEST 1A Before Proceeding

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

CAN YOU

PERFORM

WITH THE DRB, 

COMMUNICATE WITH 

NO 

"VEHICLE 

START TEST 4A.

ENTER "BODY

THE BODY CONTROL

COMMUNICATION" 

COMPUTER". MODULE?

TEST 

1A.

YES

KEY ON.

PERFORM

WITH THE DRB ENTER

CAN YOU

NO 

"VEHICLE 

"ELECTRO/MECH

COMMUNICATE WITH COMMUNICATION" 

CLUSTER (MIC)".

THE MIC? TEST 

1A.

YES

KEY OFF. 

REFER TO WIRING 

REMOVE FUSES 7 AND

IS EITHER FUSE 

YES

DIAGRAM IN SERVICE

14 FROM THE

OPEN?

MANUAL SECTION 8W 

JUNCTION BLOCK. 

TO DIAGNOSES A

FIG.  1

SHORTED CIRCUIT. 

NO 

DISCONNECT THE

WITH AN OHMMETER,

INSTRUMENT CLUSTER

MEASURE BETWEEN

IS THE RESISTANCE 

NO 

REPAIR THE OPEN 

C1 HARNESS

GROUND AND THE

BELOW 5.0 OHMS?

GROUND CIRCUIT.*

CONNECTOR.** GROUND 

CIRCUIT. 

FIG. 2

YES

DISCONNECT THE

WITH AN OHMMETER,

INSTRUMENT CLUSTER

MEASURE BETWEEN

IS THE RESISTANCE 

NO 

REPAIR THE OPEN 

C2 HARNESS

GROUND AND THE

BELOW 5.0 OHMS?

GROUND CIRCUIT.*

CONNECTOR.** GROUND 

CIRCUIT. 

FIG. 3

YES

INSTALL FUSE 7 AND

WITH A VOLTMETER, 

14 IN THE JUNCTION 

MEASURE THE FUSED

IS THE VOLTAGE

NO 

REPAIR THE OPEN 

BLOCK. 

B(+) CIRCUIT

ABOVE 10.0 VOLTS? 

FUSED B(+) 

(CAVITY 1).

CIRCUIT.*

FIG. 1

FIG. 2

YES

KEY ON.

REPAIR THE OPEN 

WITH A VOLTMETER, 

IS THE VOLTAGE

NO 

FUSED IGNITION 

MEASURE THE FUSED

ABOVE 10.0 VOLTS? 

SWITCH OUTPUT 

IGNITION SWITCH 

CIRCUIT.*

OUTPUT CKT. FIG. 3

YES

REPLACE THE

INSTRUMENT 
CLUSTER.*

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