Chrysler Voyager. Manual — part 119

TEST

ACTION

APPLICABILITY

2

Turn the ignition on.
With the DRBIII

t, select Engine system from the main menu.

Display and record the Vehicle Identification Number.
NOTE: Ensure that a VIN has been programmed into the PCM. If a VIN is not
displayed, attempt to program the PCM with the correct vehicle VIN before
continuing.
Does the VIN recorded from the PCM match the VIN of the vehicle?

All

Yes

→ Go To 3

No

→ Replace and program the Powertrain Control Module in accor-

dance with the Service Information.
Perform SKIS VERIFICATION.

3

Turn the ignition off.
Replace and program the Sentry Key Immobilizer Module in accordance with the
Service Information.
Turn the ignition on.
With the DRBIII

t, display and clear all PCM and SKIM DTC’s.

Perform 5 ignition key cycles leaving the ignition key on for 90 seconds per cycle.
With the DRBIII

t, check for SKIM DTCs.

Does the DRBIII

t display the same DTC?

All

Yes

→ Replace and program the Powertrain Control Module in accor-

dance with the Service Information.
Perform SKIS VERIFICATION.

No

→ The repair is complete.

Perform SKIS VERIFICATION.

4

Turn the ignition off.
Note: Visually inspect the related wiring harness. Look for any chafed,
pierced, pinched, or partially broken wires.
NOTE: Visually inspect the related wiring harness connectors. Look for
broken, bent, pushed out, or corroded terminals.
Note: Refer to any Technical Service Bulletins (TSB) that may apply.
Were any problems found?

All

Yes

→ Repair wiring harness/connectors as necessary.

Perform SKIS VERIFICATION.

No

→ Test Complete.

475

SENTRY KEY IMMOBILIZER

ROLLING CODE FAILURE —

Continued

Symptom List:

TRANSPONDER COMMUNICATION FAILURE
TRANSPONDER CYCLIC REDUNDANCY CHECK (CRC) FAILURE
TRANSPONDER ID MISMATCH
TRANSPONDER RESPONSE MISMATCH

Test Note:

All symptoms listed above are diagnosed using the same tests.

The title for the tests will be TRANSPONDER COMMUNICA-
TION FAILURE.

When Monitored and Set Condition:

TRANSPONDER COMMUNICATION FAILURE

When Monitored:

At ignition on and during Key Programming Mode.

Set Condition:

When the SKIM does not receive a transponder response after 8 consec-

utive transponder read attempts within 2.0 seconds.

TRANSPONDER CYCLIC REDUNDANCY CHECK (CRC) FAILURE

When Monitored:

At ignition on and during Key Programming Mode.

Set Condition:

When 5 consecutive transponder signal transmissions are sent to the

SKIM with the correct message format but with invalid data.

TRANSPONDER ID MISMATCH

When Monitored:

At ignition on and during Key Programming Mode.

Set Condition:

When the transponder ID read by the SKIM does not match any of the

transponder ID’s stored in the SKIM’s memory.

TRANSPONDER RESPONSE MISMATCH

When Monitored:

At ignition on and during Key Programming Mode.

Set Condition:

When the transponder’s crypto algorithm result fails to match the SKIM’s

result.

POSSIBLE CAUSES

CHECKING MULTIPLE KEY OPERATION

SKIM

INTERMITTENT WIRING HARNESS PROBLEM

REPLACE IGNITION KEY

476

SENTRY KEY IMMOBILIZER

TEST

ACTION

APPLICABILITY

1

With the DRBIII

t, read and record the SKIM DTCs.

With the DRBIII

t, erase the SKIM DTCs.

NOTE: Perform the following test several times to ensure the DTC is
current.
Turn the ignition off.
Wait 10 seconds.
Turn the ignition on.
With the DRBIII

t, read the SKIM DTCs.

Does the DRBIII

t display the DTC that was previously erased?

All

Yes

→ Go To 2

No

→ Go To 7

2

Are there multiple vehicle ignition keys available?

All

Yes

→ Go To 3

No

→ Go To 4

3

NOTE: Perform the following steps using one of the vehicle ignition keys.
When finished, repeat the procedure using each of the other vehicle keys
one at a time.
With the DRBIII

t, erase the SKIM DTCs.

Turn the ignition off.
Wait 10 seconds.
Turn the ignition on.
With the DRBIII

t, read the SKIM DTCs.

Is the DTC present for all ignition keys?

All

Yes

→ Replace and program the Sentry Key Immobilizer Module in

accordance with the Service Information.
Perform SKIS VERIFICATION.

No

→ Replace the ignition key(s) that cause the SKIM DTC.

Perform SKIS VERIFICATION.

4

With the DRBIII

t, attempt to reprogram the ignition keys to the SKIM.

With the DRBIII

t, erase the SKIM DTCs.

Wait 10 seconds.
Turn the ignition on.
With the DRBIII

t, read the SKIM DTCs.

Does the DTC set again?

All

Yes

→ Go To 5

No

→ Test Complete.

5

Replace the ignition key with a new key.
With the DRBIII

t, program the new ignition key to the SKIM.

With the DRBIII

t, erase the SKIM DTCs.

Turn the ignition off.
Wait 10 seconds.
Turn the ignition on.
With the DRBIII

t, read the SKIM DTCs.

Does the DTC set again?

All

Yes

→ Go To 6

No

→ Test Complete.

477

SENTRY KEY IMMOBILIZER

TRANSPONDER COMMUNICATION FAILURE —

Continued

TEST

ACTION

APPLICABILITY

6

If there are no possible causes remaining, view repair.

All

Repair

Replace and program the Sentry Key Immobilizer Module in
accordance with the Service Information.
Perform SKIS VERIFICATION.

7

Turn the ignition off.
Note: Visually inspect the related wiring harness. Look for any chafed,
pierced, pinched, or partially broken wires.
NOTE: Visually inspect the related wiring harness connectors. Look for
broken, bent, pushed out, or corroded terminals.
Note: Refer to any Technical Service Bulletins (TSB) that may apply.
Were any problems found?

All

Yes

→ Repair wiring harness/connectors as necessary.

Perform SKIS VERIFICATION.

No

→ Test Complete.

478

SENTRY KEY IMMOBILIZER

TRANSPONDER COMMUNICATION FAILURE —

Continued