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TERMI- NAL NO. WIRE COLOR ITEM CONDITION DATA (DC Voltage and Pulse Signal) 322 B Control sleeve position [Engine is running] I Idle speed Approximately 2.6V NEF476 325 L ECM relay (Self-shutoff) [Ignition switch “ON”] I For a few seconds after turning ignition switch Approximately 1.4V [Ignition switch “OFF”] I A few seconds passed after turning ignition switch BATTERY VOLTAGE 331 L/R Crankshaft position sensor [Engine is running] I Warm-up condition I Idle speed Approximately 0V 333 R Needle lift sensor ground [Ignition switch “ON”] Approximately 0V 334 G/R Engine coolant tempera- [Ignition switch “ON”] Approximately 0V 335 G/R Fuel temperature sensor [Engine is running] Approximately 0V 344 L/G Crankshaft position sensor [Engine is running] I Warm-up condition I Idle speed Approximately 0V SEF333Y [Engine is running] I Warm-up condition I Engine speed is 2,000 rpm Approximately 0V SEF334Y 345 G Needle lift sensor [Engine is running] I Warm-up condition I Idle speed Approximately 3.5V [Engine is running] I Warm-up condition I Engine speed is 2,000 rpm Approximately 3.5V TROUBLE DIAGNOSES TD27Ti ECM Terminals and Reference Value (Cont’d) EC-349 |