With Manufacturer's Scan Tool

Diesel Direct Injection System, Servicing

General information

NOTE:
- The Diesel Direct Fuel Injection Engine Control Module -J248- is equipped with a Diagnostic Trouble Code (DTC) memory. Check and erase the DTC memory before repair or, adjustment work and initiate the output Diagnostic Test Mode (DTM).
- Components marked with an asterisk (*) are checked via the On Board Diagnostic (OBD) program, checking and erasing DTC memory.
- Components marked with a double asterisk (**) can be checked with the output DTM.
- For trouble-free operation of the electrical components, a voltage of at least 11.5 V is necessary.
- During some checks it is possible that the control module will recognize and store a malfunction. Therefore, after completing all checks and repairs the DTC memory must be checked and, if necessary, erased, checking and erasing DTC memory and the readiness code generated.

Safety precautions. Safety Precautions
Rules for cleanliness. Vehicle Damage Warnings