Chrysler New Yorker. Manual - part 437

TEST 15A

CONTINUED - REPAIRING OIL PRESSURE WARNING LAMP OPERATING
IMPROPERLY

FIG. 1

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346

TEST 15A

CONTINUED - REPAIRING OIL PRESSURE WARNING LAMP OPERATING
IMPROPERLY

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

TEST 15A

KEY OFF. 

CONTINUED FROM DISCONNECT 

THE

THE PREVIOUS INSTRUMENT 

CLUSTER

PAGE.

C2 HARNESS

CONNECTOR.** 

WITH AN OHMMETER,

REPAIR THE OIL

MEASURE BETWEEN

IS THE RESISTANCE 

YES

PRESSURE SWITCH 

GROUND AND THE OIL

BELOW 5.0 OHMS?

SENSE CIRCUIT FOR

PRESSURE SWITCH 

A SHORT TO 

SENSE CKT. FIG. 1

GROUND.* 

NO 

REPLACE THE

INSTRUMENT 
CLUSTER.*

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347

TEST 15B

REPAIRING OIL PRESSURE WARNING LAMP OPERATING IMPROPERLY

Perform TEST 15A Before Proceeding

FIG. 1

FIG. 2

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348

TEST 15B

REPAIRING OIL PRESSURE WARNING LAMP OPERATING IMPROPERLY

Perform TEST 15A Before Proceeding

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

DISCONNECT THE

ENGINE OIL

START TEST 15B. 

PRESSURE SWITCH 

HARNESS

CONNECTOR.** 

CONNECT A JUMPER 

WIRE BETWEEN THE OIL

DID THE OIL

YES

REPLACE THE OIL

PRESSURE SWITCH 

WARNING LAMP 

PRESSURE SWITCH.* 

SENSE CKT AND GND. LIGHT? 

FIG. 1

NO 

NOTE: KEEP THE

DISCONNECT THE

JUMPER WIRE 

INSTRUMENT CLUSTER

CONNECTED DURING C2 

HARNESS

THE NEXT STEP 

.

CONNECTOR.** 

WITH AN OHMMETER,

REPAIR THE OPEN 

MEASURE BETWEEN

IS THE RESISTANCE 

NO 

OIL PRESSURE 

GROUND AND THE OIL

BELOW 5.0 OHMS?

SWITCH SENSE

PRESSURE SWITCH 

CIRCUIT.*

SENSE CKT. FIG. 2

YES

REPLACE THE

INSTRUMENT 
CLUSTER.*

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349