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EN(H6DO)(diag)-229 ENGINE (DIAGNOSTICS) Diagnostic Procedure with Diagnostic Trouble Code (DTC) CP:DTC P1560 BACK-UP VOLTAGE CIRCUIT MALFUNCTION DTC DETECTING CONDITION: CAUTION: Step Check Yes No 1 CHECK INPUT SIGNAL OF ECM. Connector & terminal (B135) No. 19 (+) — Chassis ground ( − ): Is the voltage more than 10 V? Repair the poor contact in ECM EN-03490 BATTERY IGNITION MAIN RELAY SBF-6 MAIN SBF SBF-7 B72 B6 B5 D16 A6 D2 A7 B12 D3 D7 D1 B19 D14 No.12 B47 E2 B21 ECM E E 3 6 B134 B135 A: D: B137 B: B4 52 37 36 34 12 3 4 1 2 5 6 B47 No.13 B1 35 B134 5 6 7 8 2 1 9 4 3 10 24 22 23 25 11 12 13 14 15 26 27 28 16 17 18 19 20 21 33 34 29 32 30 31 B135 5 6 7 8 2 1 9 4 3 10 24 22 23 25 11 12 13 14 15 26 27 28 16 17 18 19 20 21 29 30 31 32 33 34 35 B137 5 6 7 8 2 1 9 4 3 10 22 23 11 12 13 14 15 24 25 26 16 17 18 19 20 21 27 28 29 30 31 B21 1 2 3 4 12 13 14 15 5 6 7 8 16 17 18 19 9 10 11 20 21 22 23 24 25 26 27 28 29 30 31 32 33 35 34 37 36 39 38 41 40 43 42 44 45 47 46 49 48 51 50 53 52 54 B72 1 3 4 5 6 2 A: B: D: SBF-5 A4 A5 54 3 6 1 TO OXYGEN SENSOR |