Ignition System
- The ignition must be turned off when disconnecting the battery. Obtain the radio code for radios with a anti-theft code before disconnecting the battery.
- Observe the required safety precautions after connecting the battery. Refer to GENERAL INFORMATION .
- For trouble free operation of the electrical components a voltage of at least 11.5 volts is necessary.
- To complete the procedure, check the Engine Control Module (ECM) Diagnostic Trouble Code (DTC) memory and erase any DTCs that may have been stored when testing and making repairs. Generate a readiness code if the DTC memory was erased. Refer to "Guided Functions" in the vehicle diagnostic tester.
- If the engine only starts briefly and then turns off again after troubleshooting, repairs or checking of the components, it may be that the immobilizer is blocking the ECM. The ECM must then be adapted as necessary. Refer to "Guided Functions" in the vehicle diagnostic tester.