2007 Wrangler JK Factory Service Manual Not in the contents tree

B2102-IGNITION RUN/START INPUT CIRCUIT HIGH

For a complete wiring diagram Refer to Section 8W.



Possible Causes
 
VEHICLE CHARGING SYSTEM
 
OCCUPANT RESTRAINT CONTROLLER (ORC)
 




Diagnostic Test

1. VERIFY THAT DTC B2102-IGNITION RUN/START INPUT CIRCUIT HIGH IS ACTIVE

NOTE: Ensure the battery is fully charged.


Turn the ignition on.
With the scan tool, read Occupant Restraint Controller (ORC) DTCs.

Does the scan tool display active: B2102-IGNITION RUN/START INPUT CIRCUIT HIGH?

Yes


No

2. CHECK FOR CHARGING SYSTEM RELATED DTCs IN THE POWERTRAIN CONTROL MODULE (PCM)

With the scan tool in ECU View, select PCM and check for any Charging System related DTCs.

Does the scan tool display any Charging System related DTCs?

Yes


No

3. TEST FOR INTERMITTENT CONDITION

With the scan tool, record and erase all DTCs from all Airbag modules.
If any ACTIVE codes are present they must be resolved before diagnosing any stored codes.

Does the scan tool display any ACTIVE DTCs?

Yes
  • Select appropriate symptom from Symptom List.


No
  • No problem found. Erase all codes before returning vehicle to customer.