Event codes alert the operator that an abnormal engine operating condition such as low oil pressure or high coolant temperature has been detected. When the…
Category: C7
Connectors for the Electronic Control Module (ECM) Illustration 1 g02141017 Locations of the components at the ECM (1) P2 ECM connector (ECM side) (2) P1…
Programming Parameters The electronic service tool can be used to view certain parameters that can affect the operation of the engine. The electronic service tool…
Diagnostic Codes The engines Electronic Control Module (ECM) can monitor the circuitry between the ECM and the engines components. The ECM can also monitor the…
System Operation The engine utilizes a Hydraulic Electronic Unit Injector (HEUI) fuel system. A solenoid on each injector meters the amount of fuel that is…
Electric Starting Motor When the solenoid is installed, make an adjustment of the pinion clearance. The adjustment can be made with the starting motor removed.…
Most of the tests of the electrical system can be done on the engine. The wiring insulation must be in good condition. The wire and…
The condition of charge in the battery at each regular inspection will show if the charging system is operating correctly. An adjustment is necessary when…
Alternator Regulator The charging rate of the alternator should be checked when an alternator is charging the battery too much. The charging rate of the…
Grounding Practices Proper grounding for the engine electrical systems is necessary for proper vehicle performance and reliability. Improper grounding will result in unreliable electrical circuit…