B2122-IGNITION RUN CONTROL 1 CIRCUIT LOW





For a complete wiring diagram Refer to Section 8W.


  • When Monitored:

    With the ignition on.

  • Set Condition:

    The TIPM detects a short to ground condition on the Fused Ignition Switch Output (RUN).


Possible Causes
  
SHORT TO GROUND ON (F100) FUSED IGNITION SWITCH OUTPUT (RUN) CIRCUIT
  
SHORT TO GROUND ON (F929) FUSED IGNITION SWITCH OUTPUT (RUN) CIRCUIT
  
A/C HEATER CONTROL
  
COMPASS MODULE
  
ORC
  
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 FOR SHORT TO GROUND ON (F100) FUSED IGNITION SWITCH OUTPUT (RUN) CIRCUIT






Does the scan tool display this DTC as active?

Yes
  • Go To 5


No
  • Go To 3

3.CHECK ORC FOR A SHORT TO GROUND


WARNING: To avoid personal injury or death, turn the ignition off, disconnect the battery and wait two minutes before proceeding.








Does the scan tool display this DTC as active?

Yes
  • Go To 4


No

4.CHECK FOR SHORT TO GROUND ON (F100) FUSED IGNITION SWITCH OUTPUT (RUN) CIRCUIT







Is the resistance below 10K ohms?

Yes


No
  • Test complete.

5.CHECK FOR SHORT TO GROUND ON (F929) FUSED IGNITION SWITCH OUTPUT (RUN) CIRCUIT






Does the scan tool display this DTC as active?

Yes


No
  • Go To 6

6.CHECK THE A/C HEATER CONTROL FOR A SHORT TO GROUND









Does the scan tool display this DTC as active?

Yes
  • Go To 7


No

7.CHECK COMPASS MODULE FOR A SHORT TO GROUND








Does the scan tool display this DTC as active?

Yes
  • Go To 8


No

8.CHECK FOR SHORT TO GROUND ON (F929) FUSED IGNITION SWITCH OUTPUT (RUN) CIRCUIT







Is the resistance below 10K ohms?

Yes


No