Antitheft and Alarm Systems
Preparation for Test:
1. Check fuses, OK,
2. Battery voltage 11 - 14 V,
3. Voltage supply for control module and CAN-wiring ok,
4. Unlock vehicle via RCL transmitter key, deactivate ATA,
5. Ignition: ON
6. Connect Hand-Held Tester (HHT) according to connection diagram. Connecting Tester Or Scanner, Reading and Erasing DTC Memory
NOTE: The DTC memory can only be readout and erased via the HHT.
While performing the DTC readout, it is possible that DTCs may appear that are not relevant to the system being checked, meaning that all stored DTCs in that particular control module are being displayed.
NOTES:
- Readout and record DTC's.
- Recorded faults found in fault table.
- Interrupt the voltage for PSE control module for approx. 3 secs., to erase safely memory.
Special Tools
DTC B1220-B1440
DTC B1497-B1722
DTC B1723-B1729