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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE> 13A-639 DTC P2123: Accelerator Pedal Position Sensor (main) Circuit High Input . CIRCUIT OPERATION • A 5-volt power supply is applied on the accelera- tor pedal position sensor (main) power terminal • A voltage that is according to the accelerator opening angle is sent to the ECM (terminal No. • The ground terminal (terminal No. 2) is grounded with ECM (terminal No. 76). . AK604257 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 112 113 114 109 108 107 110 111 115 116 106 105 118 117 6 1 2 3 4 5 AE 5 V 75 1 WHITE-GREEN GRA Y GREEN-WHITE 74 76 3 2 B-11 C-123 HALL IC ENGINE ACCELERATOR PEDAL POSITION SENSOR (MAIN) CIRCUIT ACCELERATOR PEDAL AK704097AB Connector: B-11 B-11 (GR) AK704152 AB Accelerator pedal Connector: C-123 C-123 (B) |