Chrysler New Yorker. Manual - part 580

TEST TC-35A

CONTINUED - REPAIRING - NO VEHICLE SPEED SENSOR SIGNAL

FIG. 1

FIG. 2

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156

TEST TC-35A

CONTINUED - REPAIRING - NO VEHICLE SPEED SENSOR SIGNAL

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

TEST TC-35A 

CHECK FOR A SHORT

CONTINUED FROM 

IS THE VOLTAGE

YES

TO VOLTAGE ON THE

THE PREVIOUS 

ABOVE 6.0 IN THE

VSS SIGNAL CKT. IF 

PAGE.

PREVIOUS STEP?

OK, REPLACE THE

PCM.*

NO 

KEY OFF. DISCONNECT 

WITH AN OHMMETER,

THE PCM HARNESS

MEASURE THE VSS

IS 

THE RESISTANCE NO REPAIR 

THE OPEN 

CONNECTOR.** SIGNAL 

CIRCUIT FROM 

BELOW 5.0 OHMS?

VSS SIGNAL 

THE TCM TO THE PCM. 

CIRCUIT.*

SEE GENERAL INFO 4.1

FIG. 1

YES

USING AN OHMMETER,

REPAIR THE SHORT

MEASURE BETWEEN THE

IS THE RESISTANCE 

YES

TO GROUND IN THE

THE VSS SIGNAL BELOW 5.0 OHMS?

VSS SIGNAL 

CIRCUIT AND GROUND.

CIRCUIT.*

FIG. 2

NO 

REPLACE THE

POWERTRAIN CONTROL

MODULE.* 

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157

TEST TC-36A

REPAIRING - MAP SENSOR VOLTAGE TOO LOW

Perform TEST DTC Before Proceeding

2.7L

3.5L

FIG. 1

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158

TEST TC-36A

REPAIRING - MAP SENSOR VOLTAGE TOO LOW

Perform TEST DTC Before Proceeding

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

START TEST 

WITH THE DRB, READ 

IS THE MAP SENSOR 

YES

CONTINUE TEST 

TC-36A.

THE MAP SENSOR 

VOLTAGE BELOW

TC-36A ON THE

VOLTAGE. 0.4 VOLT?

NEXT 

PAGE.

NO 

START ENGINE, WITH 
THE DRB, READ THE

IS THE MAP SENSOR 

YES

CONTINUE TEST 

MAP SENSOR 

VOLTAGE BELOW

TC-36A ON THE

VOLTAGE. 0.4 VOLT?

NEXT 

PAGE.

NO 

TURN IGNITION ON,

WITH THE DRB, READ 

IS THE MAP SENSOR 

YES

CONTINUE TEST 

(ENGINE OFF) 

THE MAP SENSOR 

VOLTAGE BELOW

TC-36A ON THE

VOLTAGE. 0.4 VOLT?

NEXT 

PAGE.

NO 

START ENGINE.

DID MAP VOLTAGE

REPAIR THE HARNESS

WIGGLE MAP SENSOR 

MONITOR THE DRB

DROP BELOW 0.2

YES

OR CONNECTOR THAT 

CONNECTOR & HARNESS. DISPLAY. 

VOLTS WHILE

CAUSED 

THE VOLTAGE

WIGGLING?

CHANGE.* 

SEE GENERAL INFO 4.4

NO 

AT THIS TIME, THE

USING THE

CONDITION REQUIRED SCHEMATIC AS 

A

WERE ANY PROBLEMS 

YES

REPAIR AS 

TO SET THE CODE IS 

GUIDE, INSPECT THE

FOUND? 

NECESSARY.*

NOT PRESENT. WIRING 

AND

FIG. 1

CONNECTORS.

NO 

REFER TO GEN INFO 

3.3.2 FOR

INFORMATION ON 

TEST COMPLETE.* 

INACTIVE TROUBLE

CODES. 

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159