Chrysler New Yorker. Manual — part 578

TEST TC-32A

REPAIRING - 1/1 O2S STAYS AT CENTER

Perform TEST DTC Before Proceeding

1/1 RIGHT BANK UP

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TEST TC-32A

REPAIRING - 1/1 O2S STAYS AT CENTER

Perform TEST DTC Before Proceeding

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

START THE ENGINE

START TEST AND ALLOW IT

TO

TC-32A.

REACH NORMAL

OPERATING

TEMPERATURE.

USING THE DRB IN
ACTUATOR TESTS,

WITH THE DRB, READ

IS THE 1/1 OXYGEN

NO

CONTINUE TEST

SET THE ENGINE RPM

THE 1/1 OXYGEN

SENSOR STATE

TC-32A ON THE

TO 1500.

SENSOR STATE.

SWITCHING?

NEXT PAGE.

YES

AT ANY TIME DOES

REPAIR THE OPEN

WIGGLE 1/1 OXYGEN

WHILE WIGGLING THE

THE 1/1 OXYGEN

YES HARNESS OR CONNECTOR

SENSOR CONNECTOR &

HARNESS, MONITOR

SENSOR STATE STAY

THAT CAUSED THE

HARNESS.

THE DRB DISPLAY.

LOCKED AT CENTER?

OXYGEN SENSOR STATE
TO STAY AT CENTER.*

NO

AT THIS TIME, THE

USING THE

CONDITION REQUIRED

SCHEMATIC AS A

WERE ANY PROBLEMS

YES

REPAIR AS

TO SET THE TROUBLE

GUIDE, INSPECT THE

FOUND?

NECESSARY.*

CODE IS NOT PRESENT.

WIRING AND

CONNECTORS.

NO

TEST COMPLETE.*

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TEST TC-32A

CONTINUED - REPAIRING - 1/1 O2S STAYS AT CENTER

1/1 RIGHT BANK UP

FIG. 1

1/1 RIGHT BANK UP

FIG. 2

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150

TEST TC-32A

CONTINUED - REPAIRING - 1/1 O2S STAYS AT CENTER

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

TEST TC-32A

CONTINUED FROM

THE PREVIOUS

TURN IGNITION OFF.

PAGE.

DISCONNECT THE 1/1

IS ANY TERMINAL

O2 SENSOR HARNESS

DAMAGED, CORRODED,

YES

REPAIR AS

CONNECTOR.** PUSHED

OUT OR

NECESSARY.*

MISWIRED?

SEE GENERAL INFO 4.4

NO

USING AN OHMMETER,

MEASURE THE

GROUND CIRCUIT AND

IS THE RESISTANCE

YES

REPAIR THE OPEN

RESISTANCE BETWEEN

GROUND.

ABOVE 5.0 OHMS?

1/1 O2 SENSOR

THE 1/1 O2 SENSOR...

GROUND CIRCUIT.*

FIG. 1

NO

KEY ON. CONNECT A

USING THE DRB IN

JUMPER WIRE BETWEEN

SENSORS, READ THE

IS THE VOLTAGE

YES

REPLACE THE 1/1 O2

THE 1/1 O2 SENSOR

1/1 O2 SENSOR

ABOVE 1.0 VOLT?

SENSOR.*

SIGNAL CIRCUIT AND

VOLTAGE.

B+. FIG. 1

NO

KEY OFF, DISCONNECT

THE PCM CONNECTOR

DISCONNECT THE

HARNESS CONNECTOR.** JUMPER

WIRE.

SEE GENERAL INFO 4.1

USING AN OHMMETER,

...FROM THE 1/1 O2

MEASURE THE 1/1 O2

SENSOR CONNECTOR TO

IS THE RESISTANCE

YES

REPLACE THE

SENSOR SIGNAL

THE PCM CONNECTOR.

BELOW 5.0 OHMS?

POWERTRAIN CONTROL

CIRCUIT...

MODULE.*

FIG. 2

NO

REPAIR THE OPEN

1/1 O2 SENSOR

SIGNAL CIRCUIT.*

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