TEST
ACTION
APPLICABILITY
1
Note: The following list of items must be checked before continuing with
any no start tests.
The battery must be fully charged and in good condition. A low charged battery may
produce invalid test results. If the battery is low, charge the battery and then attempt
to start the vehicle by cranking the engine for 15 seconds, 3 consecutive times.
This will allow any DTC’s to set that may have been erased due to a dead battery.
Ensure the Powers and Ground to the PCM are ok.
Make sure the PCM communicates with the DRBIII
t and that there are no DTC’s
stored in the PCM memory. If the PCM reports a No Response condition, refer to the
Communication category for the proper tests.
Read the PCM DTC’s with the DRBIII
t. If any DTC’s are present, they must be
repaired before continuing with any other No Start diagnostic tests. Refer to the
Symptom list for the related P-code that is reported by the PCM.
Ensure that the PCI bus is functional. Attempt to communicate with the Instrument
Cluster and SKIM, If you are unable to establish communicate refer to the
Communication category for the proper symptoms.
The Sentry Key Immobilizer System must be operating properly. Check for proper
communication with the DRBIII
t and check for DTC’s that may be stored in the
Sentry Key Immobilizer Module (SKIM). repair the DTC(s) before continuing.
If no DTC’s are found, using the DRBIII
t select Clear PCM (BATT Disconnect).
Crank the engine several times. Using the DRBIII
t, read DTC’s. If a DTC is present
perform the DTC diagnostics before continuing.
Were any problems found?
All
Yes
→
Repair as necessary.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
No
→
Go To
2
2
Turn the ignition on.
With the DRBIII
t, under DTC’s & Related Functions, read the Secondary Indicators
while cranking the engine.
Are there any Secondary Indicators present while cranking the engine?
All
Yes
→
Refer to symptom list and perform tests related to the secondary
indicator that is reported by the DRBIII
t.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
No
→
Go To
3
3
Check for any open fuses in the PDC or Junction Block that may be related to the No
Start condition.
Are any of the fuses open?
All
Yes
→
Replace the open fuse and check the related circuit(s) for a short
to ground.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
No
→
Go To
4
4
With the DRBIII
t in Sensors, check the 9Current CKP Count9 while cranking the
engine.
Does the CKP Counter change while cranking the engine?
All
Yes
→
Go To
5
No
→
Refer to Driveability Symptom P0320-NO CRANK REFERENCE
SIGNAL AT PCM.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
244
STARTING
*ENGINE CRANKS DOES NOT START —
Continued