Voltage at ECU Wiring Connectors No. | Terminals | Condition | STD Voltage | See Page 1 | BATT - E1 | - | 10 - 14 | FI-33 | IG SW - E1 | | | FI-34 | M-REL - E1 | Ignition SW ON | 10 - 14 | | +B (+B1) - E1 | | | FI-35 2 | IDL - E2 | Throttle valve open | 10 - 14 | FI-36 | VC - E2 | Ignition SW ON | 4 - 6 | FI-37 | VTA - E2 | Throttle valve fully closed | 0.1 - 1.0 | | | Throttle valve fully open | 4 - 5 | 3 | VC - E2 | - | 4 - 6 | | VS - E2 | Ignition SW ON | Measuring plate fully closed | 3.7 - 4.3 | FI-38 | | | Measuring plate fully open | 0.2 - 0.5 | | | | Idling | 2.3 - 2.8 | | | | 3,000 rpm | 1.0 - 2.0 | 4 | No. 10 - E01 | Ignition SW ON | 10 - 14 | FI-39 | No. 20 - E02 | | | | No. 30 | | | 5 | THA - E2 | Ignition SW ON | Intake air temperature 20°C (68°F) | 1 - 3 | FI-40 6 | THW - E2 | Ignition SW ON | Coolant temperature 80°C (176°F) | 0.1 - 1.0 | FI-41 7 | STA - E1 | Cranking | 6 - 14 | FI-42 8 | IGT - E1 | Idling | 0.7 - 1.0 | FI-43 9 | ISC1 - E1 | Ignition SW ON | 9 - 14 | FI-44 | ISC4 | | | 10 | W - E1 | No trouble ("CHECK ENGINE" warning light off) and engine running | 8 - 14 | FI-45 11 | A/C - E1 | Air conditioning ON | 10 - 14 | FI-46 ECU Terminals [Diagram showing ECU terminal layout with labels including E01, E02, IG, STA, STJ, +B1, ISC1, ISC2, ISC4, G1, G2, NE, IGT, IGF, PHM, OX1, OX2, REL, CRSPO, FP, THA, VS, VC, BATT, IG SW, No. 10, No. 20, No. 30, E1, HT1, ISC3, VF, VF1, ISC, VTA, DI, PHK, OX3, KNK, E2, L1, L2, A/C, W, SPI, GCT1, LP, +B1, +B]