P1277-STARTER CONTROL CIRCUIT 2 LOW (TIPM)

For a complete wiring diagram Refer to Section 8W.

• When Monitored:

  With the ignition on. Battery voltage greater than 10.4 volts and Main Relay is on. TIPM requesting Starter operation.

• Set Condition:

  Actual Starter state is not equal to desired state. One Trip Fault. Three good trips to turn off the MIL.

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to 9 - ENGINE - STANDARD PROCEDURE).

Diagnostic Test

NOTE: If P0615, P0616 or P0617 has set along with this DTC, diagnose those DTC(s) first before continuing.

• Go To 2

• Refer to the *CHECKING FOR AN INTERMITTENT DTC Diagnostic Procedure. (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING)

WARNING: When the engine is operating, do not stand in direct line with the fan. Do not put your hands near the pulleys, belts, or fan. Do not wear loose clothing. Failure to follow these instructions can result in personal injury or death.

NOTE: The test light should be illuminated and bright. Compare the brightness to that of a direct connection to the battery.

• Replace the Starter in accordance with the Service Information.
• Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE)

• Go To 3

• Repair the short to ground in the (T750) Starter Control Output circuit.
• Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE)

• Go To 4

NOTE: Before continuing, check the TIPM harness connector terminals for corrosion, damage, or terminal push out. Repair as necessary.

• Repair as necessary.
• Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE)

• Replace the Totally Integrated Power Module in accordance with the Service Information.
• Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE)