B2102-IGNITION RUN/START INPUT CIRCUIT HIGH
For a complete wiring diagram Refer to Section 8W.
- When Monitored:
While the CAN bus ignition status is Run or signal not available (SNA) and the IOD status is “IN”. The module checks the (F200) Fused Ignition Switch Output (Run/Start) circuit voltage input range.
- Set Condition:
If the module detects that the ignition voltage is greater than 24.25 volts ±0.25 volts for 10 seconds.
| Possible Causes |
| VEHICLE CHARGING SYSTEM |
| OCCUPANT RESTRAINT CONTROLLER |
Diagnostic Test
1. VERIFY THAT DTC B2102-IGNITION RUN/START INPUT CIRCUIT HIGH IS ACTIVENOTE: 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
- Go To 2
No
- Go To 3
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
- Diagnose and repair the DTCs. Refer to (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING).
No
- Replace the ORC in accordance with the Service Information.
- Perform *AIRBAG SYSTEM VERIFICATION TEST - VER 1.
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.