1. DTC P124A description
The charge-up circuit in the ECM increases the voltage applied to the injector. If there is an excessive charge in the injector charge-up circuit in the ECM, the DTC is set.
2. Condition for setting DTC P124A
Condition for running the DTC
- The battery voltage is 9 to 16 V.
- The ignition switch is ON.
- The engine is running.
Condition for setting the DTC
- The ECM detects that there is an excessive charge in the injector charge-up circuit in the ECM.
3. Action taken when DTC P124A sets
- Euro4: The ECM illuminates the MIL. Refer to Action taken when DTC sets - Type A (Euro4).
- Except Euro4: The ECM illuminates the check engine warning light. Refer to Action taken when DTC sets - Type A (Except Euro4).
Refer to "51.Engine Control 1A.Troubleshooting(4JJ3 without DPD) DTC type definitions".
- The ECM limits the fuel injection quantity.
- The ECM inhibits pre-injection.
- The ECM inhibits the cruise control.
4. Condition for clearing DTC P124A
- Euro4: Refer to Condition for clearing the MIL/DTC - Type A or Type B (Euro4).
- Except Euro4: Refer to Condition for clearing the check engine warning light/DTC - Type A or Type B (Except Euro4).
Refer to "51.Engine Control 1A.Troubleshooting(4JJ3 without DPD) DTC type definitions".