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ENGINE ELECTRICALPower Up Testing - Late Type II, 1993 to Current 500's1. Check battery voltage using digital fluke meter. Must read Charge, service, and test battery; or replace battery.12.2 Qr higher. It voltage OK? Continue testing if needed. See battery service.No-+Vest2. Check voltage to ECU R1GN Pin #106. Should be 12.2 or Check circuit from battery through circuit breaker and tohigher. Is voltage OK?ECU. Repair and/or replace faulty wiring orNo-+ components. Continue to step 3.Vest3. Check voltaQe to ECU O/BK wire Pin #11 . Should be 12.2 Check for signal from battery charge coil to ACS G - GWvolts while <strong>engine</strong> is being turned over. Is voltage OK? wires. Is signal OK? Repair circuit if necessary.No-+Vest See Also Block 5 No - See Block 4Vest4. Check battery charge coil and connecting wires.coil and/or repair wires. Continue tests.ReplaceCheck for volta~e from batterx to ACS.Is circuit OK? epair circuit If needed.VestReplace ACS. Is system now OK?NotReplace ECU and retest.5. Check self-shut-off relay and circuit, OK? Repair relay circuit.No-+Vest6. Replace ECU and retest.8/94 4.40
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