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TERMI- NAL NO. WIRE COLOR ITEM CONDITION DATA (DC Voltage) 42 B/Y Start signal [Ignition switch “ON”] Approximately 0V [Ignition switch “START”] 9 - 12V 43 R Ignition switch [Ignition switch “OFF”] 0V [Ignition switch “ON”] BATTERY VOLTAGE 44 L PNP switch [Ignition switch “ON”] I Gear position is “P” or “N”. Approximately 0V [Ignition switch “ON”] I Except the above gear position BATTERY VOLTAGE 45 B/R Air conditioner switch [Engine is running] I Both A/C switch and blower switch are “ON”. Approximately 0V [Engine is running] I A/C switch is “OFF”. Approximately 5V 47 R/B Power steering oil [Engine is running] I Steering wheel is being turned. 0 - 1.0V [Engine is running] I Steering wheel is not being turned. Approximately 5V 48 B ECM ground [Engine is running] I Idle speed Engine ground 51 BR A/C cut signal [Engine is running] I Air conditioner is operating. 0 - 0.5V 52 PU Electrical load signal [Engine is running] I Rear window defogger: ON I Hi-beam headlamp: ON BATTERY VOLTAGE [Engine is running] I Electrical load: OFF 0V 55 W/B Swirl control valve con- [Engine is running] I Idle speed I Engine coolant temperature is between 15 to Approximately 5V [Engine is running] I Idle speed I Engine coolant temperature is above 55°C 0 - 1.0V 56 OR/L Throttle position switch [Engine is running] I Accelerator pedal fully released BATTERY VOLTAGE [Engine is running] I Accelerator pedal depressed Approximately 0V 57 B ECM ground [Engine is running] I Idle speed Engine ground 58 B/P Sensors’ ground [Engine is running] I Warm-up condition I Idle speed Approximately 0V 59 B Fuel level sensor [Engine is running] I Idle speed Approximately 0V GI MA EM LC FE AT TF PD AX SU BR ST RS BT HA SC EL IDX TROUBLE DIAGNOSIS — GENERAL DESCRIPTION ECM Terminals and Reference Value (Cont’d) EC-131 |