B219A-IGNITION UNLOCK RUN/START CONTROL CIRCUIT OVERCURRENT





For a complete wiring diagram Refer to Section 8W.


  • When Monitored:

    With the ignition on.

  • Set Condition:

    Over current condition detected on the (F200) Fused Ignition Switch Output (Run-Start) circuit.


Possible Causes
  
(F1) IGNITION SWITCH OUTPUT (UNLOCK-RUN-START) CIRCUIT SHORT TO GROUND
  
TERMINAL DAMAGE OR CORROSION
  
HIGH RESISTANCE ON THE (F1) FUSED IGNITION SWITCH OUTPUT (UNLOCK-RUN-START) CIRCUIT
  
POWERTRAIN CONTROL MODULE (PCM)
  
TIPM
  



Diagnostic Test

1.CHECK FOR ACTIVE DTC





Does the scan tool display this DTC as active?

Yes
  • Go To 2


No
  • If the DTC is stored, check for an intermittent condition. Using the wiring diagram/schematic as a guide, visually inspect the related wiring harness connectors. Look for broken, bent, pushed out, or corroded terminals.

2.CHECK THE (F1) IGNITION SWITCH OUTPUT (UNLOCK-RUN-START) CIRCUIT FOR A SHORT TO GROUND







Does the test light illuminate brightly?

Yes


No
  • Go To 3

3.INSPECT THE TIPM & PCM TERMINALS & WIRE HARNESS FOR A CONDITION CAUSING HIGH CIRCUIT RESISTANCE








Were any of the above conditions found?

Yes


No
  • Go To 4

4.



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




Does the test light illuminate brightly?

Yes
  • Go To 5


No

5.







Does the test light illuminate brightly?

Yes


No