Chrysler RG Voyager. Manual — part 437
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 ECM. If a VIN is not
displayed, attempt to program the ECM with the correct vehicle VIN before
continuing.
Does the VIN recorded from the ECM match the VIN of the vehicle?
All
Yes
→ Go To 3
No
→ Replace and program the Engine Control Module in accordance
with the Service Information.
Perform SKREEM VERIFICATION TEST - VER 1A.
3
Turn the ignition off.
Replace and program the Sentry Key Remote Entry Module in accordance with the
Service Information.
Turn the ignition on.
With the DRBIII
t, display and clear all ECM and SKREEM DTC’s.
Perform 5 ignition key cycles leaving the ignition key on for 90 seconds per cycle.
With the DRBIII
t, check for SKREEM DTCs.
Does the DRBIII
t display the same DTC?
All
Yes
→ Replace and program the Engine Control Module in accordance
with the Service Information.
Perform SKREEM VERIFICATION TEST - VER 1A.
No
→ The repair is complete.
Perform SKREEM VERIFICATION TEST - VER 1A.
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 SKREEM VERIFICATION TEST - VER 1A.
No
→ Test Complete.
251
SKREEM
ROLLING CODE FAILURE —
Continued
Symptom List:
TRANSPONDER COMMUNICATION 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 SKREEM does not receive a transponder response after 8
consecutive transponder read attempts within 2.0 seconds.
TRANSPONDER ID MISMATCH
When Monitored:
At ignition on and during Key Programming Mode.
Set Condition:
When the transponder ID read by the SKREEM does not match any of the
transponder ID’s stored in the SKREEM’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
SKREEM’s result.
POSSIBLE CAUSES
CHECKING MULTIPLE KEY OPERATION
SKREEM
INTERMITTENT WIRING HARNESS PROBLEM
REPLACE IGNITION KEY
252
SKREEM
TEST
ACTION
APPLICABILITY
1
With the DRBIII
t, read and record the SKREEM DTCs.
With the DRBIII
t, erase the SKREEM 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 SKREEM 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 SKREEM DTCs.
Turn the ignition off.
Wait 10 seconds.
Turn the ignition on.
With the DRBIII
t, read the SKREEM DTCs.
Is the DTC present for all ignition keys?
All
Yes
→ Replace and program the Sentry Key Remote Entry Module in
accordance with the Service Information.
Perform SKREEM VERIFICATION TEST - VER 1A.
No
→ Replace the ignition key(s) that cause the SKREEM DTC.
Perform SKREEM VERIFICATION TEST - VER 1A.
4
With the DRBIII
t, attempt to reprogram the ignition keys to the SKREEM.
With the DRBIII
t, erase the SKREEM DTCs.
Wait 10 seconds.
Turn the ignition on.
With the DRBIII
t, read the SKREEM 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 SKREEM.
With the DRBIII
t, erase the SKREEM DTCs.
Turn the ignition off.
Wait 10 seconds.
Turn the ignition on.
With the DRBIII
t, read the SKREEM DTCs.
Does the DTC set again?
All
Yes
→ Go To 6
No
→ Test Complete.
253
SKREEM
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 Remote Entry Module in
accordance with the Service Information.
Perform SKREEM VERIFICATION TEST - VER 1A.
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 SKREEM VERIFICATION TEST - VER 1A.
No
→ Test Complete.
254
SKREEM
TRANSPONDER COMMUNICATION FAILURE —
Continued
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