Page 309 of 436
TEST SK-5AREPAIRING - TRANSPONDER COMMUNICATION FAILURE
Perform TEST SK-1A Before Proceeding
*Perform Verification TEST VER-1A. **Check connectors - Clean / repair as necessary.
START TEST USING THE DRB,
SK-5A. ERASE SKIM CODES.
TURN IGNITION OFF. USING THE DRB, DOES THE DRB YES CONTINUE TEST
WAIT 10 SECONDS. READ SKIM CODES. DISPLAY THIS CODE? SK-5A ON THE
TURN IGNITION ON.NEXT PAGE.
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 GENERAL
INFORMATION 3.3.2
FOR ADDITIONAL TEST COMPLETE.*
INFORMATION ON
INTERMITTENT CODES.
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Page 313 of 436
TEST SK-6ATRANSPONDER CRC (CYCLIC REDUNDANCY CHECK) FAILURE
Perform TEST SK-1A Before Proceeding
*Perform Verification TEST VER-1A. **Check connectors - Clean / repair as necessary.
START TEST USING THE DRB,
SK-6A. ERASE SKIM CODES.
TURN IGNITION OFF. USING THE DRB, DOES THE DRB YES CONTINUE TEST
WAIT 10 SECONDS. READ SKIM CODES. DISPLAY THIS CODE? SK-6A ON THE
TURN IGNITION ON.NEXT PAGE.
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 GENERAL
INFORMATION 3.3.2
FOR ADDITIONAL TEST COMPLETE.*
INFORMATION ON
INTERMITTENT CODES.
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Page 317 of 436
TEST SK-7AREPAIRING - TRANSPONDER ID MISMATCH
Perform TEST SK-1A Before Proceeding
*Perform Verification TEST VER-1A. **Check connectors - Clean / repair as necessary.
START TEST USING THE DRB,
SK-7A. ERASE SKIM CODES.
TURN IGNITION OFF. USING THE DRB, DOES THE DRB YES CONTINUE TEST
WAIT 10 SECONDS. READ SKIM CODES. DISPLAY THIS CODE? SK-7A ON THE
TURN IGNITION ON.NEXT PAGE.
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 GENERAL
INFORMATION 3.3.2
FOR ADDITIONAL TEST COMPLETE.*
INFORMATION ON
INTERMITTENT CODES.
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Page 321 of 436
TEST SK-8AREPAIRING - TRANSPONDER RESPONSE MISMATCH
Perform TEST SK-1A Before Proceeding
*Perform Verification TEST VER-1A. **Check connectors - Clean / repair as necessary.
START TEST USING THE DRB,
SK-8A. ERASE SKIM CODES.
TURN IGNITION OFF. USING THE DRB, DOES THE DRB YES CONTINUE TEST
WAIT 10 SECONDS. READ SKIM CODES. DISPLAY THIS CODE? SK-8A ON THE
TURN IGNITION ON.NEXT PAGE.
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 GENERAL
INFORMATION 3.3.2
FOR ADDITIONAL TEST COMPLETE.*
INFORMATION ON
INTERMITTENT CODES.
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Page 325 of 436
TEST SK-9AREPAIRING - VIN MISMATCH
Perform TEST SK-1A Before Proceeding
*Perform Verification TEST VER-1A. **Check connectors - Clean / repair as necessary.
START TEST USING THE DRB,
SK-9A. ERASE SKIM CODES.
TURN IGNITION OFF. USING THE DRB, DOES THE DRB YES CONTINUE TEST
WAIT 10 SECONDS. READ SKIM CODES. DISPLAY THIS CODE? SK-9A ON THE
TURN IGNITION ON.NEXT PAGE.
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 GENERAL
INFORMATION 3.3.2
FOR ADDITIONAL TEST COMPLETE.*
INFORMATION ON
INTERMITTENT CODES.
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Page 375 of 436

TEST NTC-13ACHECKING THE TURBOCHARGER OPERATION
Perform TEST NTC-1A Before Proceeding
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
NOTE: THE EXHAUST CHECK THE AND THE
START TEST SYSTEM MUST BE TURBOCHARGER OUTLET TURBOCHARGER INLET
NTC-13A. FREE FROM ANY HOSE BETWEEN THE HOSE BETWEEN THE
RESTRICTIONS TO TURBOCHARGER AND THE TURBOCHARGER AND
PERFORM THIS TEST. INTAKE MANIFOLD... THE AIR CLEANER...
FOR LOOSE
CONNECTION, DAMAGE ARE ANY OF THESE YES REPAIR OR REPLACE
OR RESTRICTIONS. CONDITIONS AS NECESSARY.
EVIDENT?
FIG. 1
NO
CHECK THE WASTEGATE
ACTUATOR SUPPLY HOSE ARE ANY OF THESE YES REPAIR OR REPLACE
FOR LOOSE CONDITIONS AS NECESSARY.
CONNECTION, DAMAGE EVIDENT?
OR RESTRICTIONS.
NO
DISCONNECT THE USING AN AIR THE WASTEGATE
ACTUATOR SUPPLY PRESSURE REGULATOR, ACTUATOR SUPPLY
HOSE FROM THE CONNECT AN AIR HOSE HOSE.
INTAKE MANIFOLD. TO THE DISCONNECTED
FIG. 2 END OF... FIG. 2
START AT 0 PSI AIR NOTE: THE ACTUATOR
PRESSURE AND SLOWLY ARM SHOULD REMAIN FULLY OPEN AT
INCREASE TO 45 PSI CLOSED UNTIL AIR 34-40 PSI.
WHILE MONITORING THE PRESSURE REACHES
ACTUATOR ARM. FIG.2 17-20 PSI...
DID THE WASTEGATE
ACTUATOR UNSEAT YES CONTINUE TEST
AND FULLY OPEN AS NTC-13A ON THE
DESCRIBED? NEXT PAGE.
NO
DISCONNECT THE SHOP MANUALLY MOVE DOES THE WASTEGATE
AIR SUPPLY. REMOVE WASTEGATE ARM FROM ARM MOVE EASILY YES REPLACE THE
E-CLIP AND CLOSED TO FULLY WITHOUT WASTEGATE
DISCONNECT ACTUATOR OPEN POSITION. RESTRICTION? ACTUATOR.
ROD FROM ARM. FIG.2 FIG. 2
NO
CLEAN WASTEGATE ARM
OR WASTEGATE SHAFT
AS NECESSARY.
IF OK, REPLACE
TURBOCHARGER ASSLY.
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Page 398 of 436

TEST NS-SELNO START SELECTION MENU
NOTE:The battery must be fully charged before performing any test in this manual.
NOTE:If the engine will not crank or cranks but will not run, be sure to check the Sentry Key
Immobilizer Module (SKIM) for proper communication and trouble codes.
NOTE:With the DRB, attempt to read ECM trouble codes. If the DRB is unable to communicate with
the ECM, perform test NS-2A. If there are any trouble codes present they must be repaired before
continuing with the No Start Symptom diagnostics.
Below you will find a recommended procedure to correct a No Start Problem by symptom. They
should be performed in the order that they are listed.
Repairing a No Crank Condition..............................................NS-1A
Repairing a No Response Condition...........................................NS-2A
Repairing a No Start Condition................................................NS-3A
Repairing a Start and Stall Condition...........................................NS-4A
Checking the Engine Mechanical Systems......................................NS-5A
NOTE:A failed engine coolant temperature (ECT) sensor can cause a cranks but will not run or an
extended cranking before starting condition. This occurs when the ECT sensor calibration fails
(sensor indicates engine temp is warmer than actual engine temp) and the ECM cannot command
proper fuel quantity to the injection pump.
NOTE:For all component locations seeGeneral Information Section 4.0 in this manual.
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Page 400 of 436
TEST NS-1AREPAIRING A NO CRANK CONDITION
Perform TEST NS-SEL Before Proceeding
FIG.1
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