Specifications

TEST ACTION APPLICABILITY
8 NOTE: The ECM must have proper power and ground connections for the
following tests to be valid. Refer to Checking the ECM Power and Grounds
in the symptom list.
Turn the ignition on.
With the DRBIIIt, read the ECM DTCs.
Does the DRBIIIt display any ECM DTCs?
All
Yes → Refer to symptom list for problems related to ECM DTC.
Perform NO START VERIFICATION - VER-1.
No → Go To 9
9 Turn the ignition on.
With the DRBIIIt, read the SKREEM DTCs.
Does the DRBIIIt display any SKREEM DTCs?
All
Yes → Refer to symptom list for problems related to SKREEM.
Perform NO START VERIFICATION - VER-1.
No → Go To 10
10 Turn the ignition on.
With the DRBIIIt, read the TCM DTCs.
Does the DRBIIIt display any TCM DTCs?
All
Yes → Refer to symptom list for problems related to TCM.
Perform NO START VERIFICATION - VER-1.
No → Go To 11
11 Perform the Checking the ECM Power and Grounds test.
Were any problems found?
All
Yes → Repair as necessary.
Perform NO START VERIFICATION - VER-1.
No → Go To 12
12 Turn the ignition off.
Disconnect the ECM harness connectors.
Remove the Starter Motor Relay from the Fuse/Relay Block
Remove the Engine Control Relay from the Fuse Block No.1.
Using a jumper wire, connect Engine Control Relay connector cavities 30 and 87 in
the Fuse Block No.1.
Turn the ignition on.
Measure the voltage of the Starter Motor Relay Control circuit.
Is the voltage above 1.0 volt?
All
Yes → Repair the Starter Relay Control circuit for a short to voltage.
Perform NO START VERIFICATION - VER-1.
No → Go To 13
244
DRIVEABILITY - DIESEL
*ENGINE WILL NOT CRANK — Continued