Preparation for Test: 1. Voltage supply to all control modules and CAN data lines ok, 2. Battery voltage 11 - 14 V, 3. Review section 0, 4. Review C/1, C/2, 11, 12, 20, 21, 22, 31, 32 5. Connect HHT, see section 0, 6. For model 202 and 208, review PE80.00-P-1100D and for model 210 review PE80.00-P-1100A, prior to starting test. Electrical Wiring Diagrams: See Electric Troubleshooting Manual, Model 202/208, group 80, Model 210, Volume 2, group 80

Test equipment; See MBUSA Standard Service Equipment Program

Description	Brand, model, etc.
Digital multimeter	Fluke models 23, 77 III, 83, 85, 87

Connections - PSE control module (A37)   Figure 4 1 Connector 1 (control line PSE) 2 Connector 2 (voltage supply PSE) 3 Connector 3 (control line ATA) 4 Connector 4 (load connections ATA)