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TROUBLESHOOTING MULTIPORT FUEL INJECTION (MPI) 13A-195 Code No. P0513: Immobilizer System OPERATION • The signals are sent and received between engine-ECU (terminal No. 98) and immobi- FUNCTION • Engine-ECU sends or receives the control sig- nals to or from immobilizer-ECU to certify the NOTE: . • If the registered ignition keys are close each • This code may be displayed when registering TROUBLE JUDGMENT Check Condition • Ignition switch: "ON" Judgment Criterion • When the communication error between the engine-ECU and the immobilizer-ECU continues PROBABLE CAUSES • Open/short circuit in immobilizer system circuit or loose connector contact • Failed immobilizer-ECU • Failed engine-ECU 1 2 3 4 5 6 7 AK501818 2 1 3 4 80 87 81 94 85 82 84 93 86 98 99 74 92 73 83 88 91 95 97 96 100 89 78 71 90 76 77 75 72 3 98 7 21 C-207 MU801547 C-117 (MU803783) Engine-ECU Immobilizer system circuit Immobilizer-ECU GR R-W C-207-1 C-207-1 Wire colour code AB C-124 |