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TROUBLESHOOTING MULTIPORT FUEL INJECTION (MPI) <4G1> 13B-41 STEP 9. Perform voltage measurement at A-08 • Disconnect engine-ECU connector, and connect special tool power plant ECU check harness • Disconnect A-34 air flow sensor connector. • Ignition switch: ON • Voltage between terminal No. 129 and earth. OK: 4.5 − 4.9 V Q: Is the check result normal? YES : Go to Step 10 . NO : Go to Step 11 . STEP 10. Connector check: A-08 engine-ECU Q: Is the check result normal? YES : Check and repair harness between A-34 (terminal No. 1) air flow sensor connector • Check output line for open circuit. NO : Repair or replace. AK402725 77 78 79 80 81 82 83 84 92 93 94 95 96 97 98 99 85 86 87 88 89 90 91 100 101 102 103 104 105 106 115 116 117 118 119 120 121 107 108 109 110 111 112 113 114 130 131 132 133 134 135 136 122 123 124 125 126 127 128 129 72 71 74 73 76 75 R AI A-08 Connector: A-08 A-08 Special tool power plant ECU check Engine-ECU Battery AK402083 2 1 3 4 Connector: A-34 Harness side connector A-34 (GR) AC AK402725 77 78 79 80 81 82 83 84 92 93 94 95 96 97 98 99 85 86 87 88 89 90 91 100 101 102 103 104 105 106 115 116 117 118 119 120 121 107 108 109 110 111 112 113 114 130 131 132 133 134 135 136 122 123 124 125 126 127 128 129 72 71 74 73 76 75 R AI A-08 Connector: A-08 A-08 Special tool power plant ECU check Engine-ECU Battery AK402083 2 1 3 4 Connector: A-34 Harness side connector A-34 (GR) AC Main Index Group TOC |