FCS 1.0 - 2.1
Special Tools:
SPECIAL TOOLS
NOTE: The special tools shown in the image are required to perform the testing procedures. If Mercedes special tools are not available, select tools may be substituted with an aftermarket equivalent.
Additional Tools
Suggested Engine Analyzer
^ Bear DACE (Model 40-960)
^ Sun MEA-15OOMB
Test Equipment Hook-up:
PREPARATION FOR TEST
1. Connect pressure gauge to test connection.
2. After completing test, using measurement glass (055), release fuel pressure and allow residual fuel to drain into glass.
Test Steps FCS 1.0 - 2.1:
TEST STEPS FCS 1.0 - 2.1
SPECIFICATIONS
Battery Voltage:
Ignition OFF min. 11.5 V
Engine cranking 9.6 V
Ignition Coil Voltage:
Ignition ON (circuit 1 or 15) min. 11 V
Engine cranking (circuit 1) 8.7 V
Engine cranking (circuit 15) 9.4 V
Primary Ignition Voltage [1] 190 - 300 V
Secondary Ignition Voltage [1]:
Circuit 4 (coil wire) 8 - 20 kV
Cylinder 1 8 - 20 kV
[1] = Engine cranking