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Diagnostic Procedure INSPECTION START Start engine. Yes E No CHECK POWER SUPPLY-I. tion. 2. Check voltage between ECM connector terminal 507 and engine ground with If NG, check the following: I 10A fuse I Harness for open or short-circuit If NG, replace 10A fuse or repair OK Go to q B “CHECK GROUND CIR- CUIT”. CHECK POWER SUPPLY-II. connector terminal 325 and engine ground with CON- OK E NG Check the following: I ECM relay I 20A fuse I Harness for open or short-circuit I Harness connectors M787, F66 I Battery connection and charge If NG, replace fuse or charge bat- q A NEF642 YEC283A MEC946D MEC943D H H H H TROUBLE DIAGNOSIS FOR POWER SUPPLY TD27Ti EC-353 |