Chrysler Voyager. Manual — part 85

TEST

ACTION

APPLICABILITY

6

Turn the ignition off.
Disconnect the CMP Sensor harness connector.
Disconnect the PCM harness connector.
CAUTION: DO NOT PROBE THE PCM HARNESS CONNECTORS. PROBING
THE PCM HARNESS CONNECTORS WILL DAMAGE THE PCM TERMI-
NALS RESULTING IN POOR TERMINAL TO PIN CONNECTION. INSTALL
MILLER SPECIAL TOOL #8815 TO PERFORM DIAGNOSIS.
Measure the resistance of the (K4) Sensor Ground circuit from the CMP Sensor
harness connector to the appropriate terminal of special tool #8815.
Is the resistance below 5.0 ohms?

All

Yes

→ Go To 7

No

→ Repair the open in the (K4) Sensor Ground circuit.

Perform POWERTRAIN VERIFICATION TEST VER - 5 - NGC.

7

NOTE: Inspect the Camshaft sprocket for damage per the Service Informa-
tion. If a problem is found repair as necessary.
If there are no possible causes remaining, view repair.

All

Repair

Replace the Camshaft Position Sensor.
Perform POWERTRAIN VERIFICATION TEST VER - 5 - NGC.

8

Turn the ignition off.
Disconnect the CMP Sensor harness connector.
Disconnect the PCM harness connector.
Measure the resistance between ground and the (K44) CMP Signal circuit in the
CMP Sensor harness connector.
Is the resistance below 100 ohms?

All

Yes

→ Repair the short to ground in the (K44) CMP Signal circuit

Perform POWERTRAIN VERIFICATION TEST VER - 5 - NGC.

No

→ Go To 9

9

Turn the ignition off.
Disconnect the CMP Sensor harness connector.
Disconnect the PCM harness connector.
CAUTION: DO NOT PROBE THE PCM HARNESS CONNECTORS. PROBING
THE PCM HARNESS CONNECTORS WILL DAMAGE THE PCM TERMI-
NALS RESULTING IN POOR TERMINAL TO PIN CONNECTION. INSTALL
MILLER SPECIAL TOOL #8815 TO PERFORM DIAGNOSIS.
Measure the resistance of the (K44) CMP Signal circuit from the CMP Sensor
harness connector to the appropriate terminal of special tool #8815.
Is the resistance below 5.0 ohms?

All

Yes

→ Go To 10

No

→ Repair the open in the (K44) CMP Signal circuit.

Perform POWERTRAIN VERIFICATION TEST VER - 5 - NGC.

339

DRIVEABILITY - NGC

P0340-CAMSHAFT POSITION SENSOR CIRCUIT —

Continued

TEST

ACTION

APPLICABILITY

10

Turn the ignition off.
Disconnect the CMP Sensor harness connector.
Ignition on, engine not running.
Measure the voltage of the (K44) CMP Signal circuit in the CMP Sensor harness
connector.
Is the voltage above 5.2 volts?

All

Yes

→ Repair the short to battery voltage in the (K44) CMP Signal

circuit.
Perform POWERTRAIN VERIFICATION TEST VER - 5 - NGC.

No

→ Go To 11

11

Turn the ignition off.
Disconnect the CMP Sensor harness connector.
Measure the resistance between the (K44) CMP Signal circuit and the (K6) 5 Volt
Supply circuit in the CMP Sensor harness connector.
Is the resistance below 5.0 ohms?

All

Yes

→ Repair the (K44) CMP Signal circuit shorted to the (K6) 5 Volt

Supply circuit.
Perform POWERTRAIN VERIFICATION TEST VER - 5 - NGC.

No

→ Go To 12

12

NOTE: Before continuing, check the PCM harness connector terminals for
corrosion, damage, or terminal push out. Repair as necessary.
If there are no possible causes remaining, view repair.

All

Repair

Replace and program the Powertrain Control Module in accor-
dance with the Service Information.
Perform POWERTRAIN VERIFICATION TEST VER - 5 - NGC.

13

Turn the ignition off.
Disconnect the CMP Sensor harness connector.
Disconnect the PCM harness connector.
Measure the resistance between ground and the (K6) 5 Volt Supply circuit in the
CMP Sensor harness connector.
Is the resistance below 100 ohms?

All

Yes

→ Repair the short to ground in the (K6) 5 Volt Supply circuit.

Perform POWERTRAIN VERIFICATION TEST VER - 5 - NGC.

No

→ Go To 14

14

Turn the ignition off.
Disconnect the CMP Sensor harness connector.
Disconnect the PCM harness connector.
CAUTION: DO NOT PROBE THE PCM HARNESS CONNECTORS. PROBING
THE PCM HARNESS CONNECTORS WILL DAMAGE THE PCM TERMI-
NALS RESULTING IN POOR TERMINAL TO PIN CONNECTION. INSTALL
MILLER SPECIAL TOOL #8815 TO PERFORM DIAGNOSIS.
Measure the resistance of the (K6) 5 Volt Supply circuit between the CMP Sensor
harness connector and the special tool #8815 terminal.
Is the resistance below 5.0 ohms?

All

Yes

→ Go To 15

No

→ Repair the open in the (K6) 5 Volt Supply circuit.

Perform POWERTRAIN VERIFICATION TEST VER - 5 - NGC.

340

DRIVEABILITY - NGC

P0340-CAMSHAFT POSITION SENSOR CIRCUIT —

Continued

TEST

ACTION

APPLICABILITY

15

Turn the ignition off.
Disconnect the CMP Sensor harness connector.
Ignition on, engine not running.
Measure the voltage of the (K6) 5 Volt Supply circuit in the CMP Sensor harness
connector.
Is the voltage above 5.5 volts?

All

Yes

→ Repair the short to battery voltage in the (K6) 5 Volt Supply

circuit.
Perform POWERTRAIN VERIFICATION TEST VER - 5 - NGC.

No

→ Go To 16

16

NOTE: Before continuing, check the PCM harness connector terminals for
corrosion, damage, or terminal push out. Repair as necessary.
If there are no possible causes remaining, view repair.

All

Repair

Replace and program the Powertrain Control Module in accor-
dance with the Service Information.
Perform POWERTRAIN VERIFICATION TEST VER - 5 - NGC.

341

DRIVEABILITY - NGC

P0340-CAMSHAFT POSITION SENSOR CIRCUIT —

Continued

Symptom:

P0344-CAMSHAFT POSITION SENSOR INTERMITTENT

When Monitored and Set Condition:

P0344-CAMSHAFT POSITION SENSOR INTERMITTENT

When Monitored:

Engine running or Cranking.

Set Condition:

When the failure counter reaches 20. One Trip Fault.

POSSIBLE CAUSES

GOOD TRIP EQUAL TO ZERO

WIRING HARNESS INSPECTION

(K6) 5 VOLT SUPPLY CIRCUIT OPEN OR SHORTED TO GROUND

TONE WHEEL/PULSE RING INSPECTION

CHECKING CKP SIGNAL WITH THE DRBIII

t LAB

CAMSHAFT POSITION SENSOR

(K44) CMP SIGNAL CIRCUIT OPEN

(K44) CMP SIGNAL CIRCUIT SHORT TO GROUND

(K44) CMP SIGNAL CIRCUIT SHORTED TO B+

(K44) CMP SIGNAL CIRCUIT SHORT TO (K6) 5 VOLTS

PCM

TEST

ACTION

APPLICABILITY

1

Ignition on, engine not running.
With the DRBIII

t, read DTCs and record the related Freeze Frame data.

Is the Good Trip Counter displayed and equal to zero?

All

Yes

→ Go To 2

No

→ Refer to the INTERMITTENT CONDITION symptom in the

Driveability category.
Perform POWERTRAIN VERIFICATION TEST VER - 5 - NGC.

2

Turn the ignition off.
With the DRBIII

t lab scope probe and the Miller special tool #6801, backprobe the

(K44) CMP Signal circuit in the CMP harness connector.
WARNING: WHEN THE ENGINE IS OPERATING, DO NOT STAND IN A
DIRECT LINE WITH THE FAN. DO NOT PUT YOUR HANDS NEAR THE
PULLEYS, BELTS OR FAN. DO NOT WEAR LOOSE CLOTHING.
Ignition on, engine not running.
Observe the lab scope screen.
Start the engine.
Observe the lab scope screen.
Are there any irregular or missing signals?

All

Yes

→ Go To 3

No

→ Go To 8

342

DRIVEABILITY - NGC