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SELF-DIAGNOSTIC MODE Regarding items detected in “SELF-DIAG RESULTS” mode, refer to “TROUBLE DIAGNOSIS — INDEX”, DATA MONITOR MODE Monitored item ECM signals Main signals Description Remarks CKPS ⋅ RPM (TDC) [rpm] q q I The engine speed computed from the CMPS ⋅ RPM - PUMP [rpm] q q I The engine speed computed from the COOLAN TEMP/S q q I The engine coolant temperature (deter- I When the engine coolant temperature VHCL SPEED SE q q I The vehicle speed computed from the FUEL TEMP SEN q q I The fuel temperature (determined by the ACCEL POS SEN [V] q q I The accelerator position sensor signal OFF ACCEL POS q q I Indicates [ON/OFF] condition from the I Signal at approximately 9° opened. C/SLEEV POS/S [V] q q I The control sleeve position sensor signal BATTERY VOLT [V] q q I The power supply voltage of ECM is dis- START SIGNAL q q I Indicates [ON/OFF] condition from the I After starting the engine, [OFF] is dis- AIR COND SIG q q I Indicates [ON/OFF] condition of the air BRAKE SW q I Indicates [ON/OFF] condition of the stop BRAKE SW2 q I Indicates [ON/OFF] condition of the IGN SW q q I Indicates [ON/OFF] condition from igni- MAS AIR/FL SE [V] q q I The signal voltage of the mass air flow I When the engine is stopped, a certain ACT INJ TIMG [°] q I The actual injection timing angle deter- TARGET F/INJ 3 /stroke] q I The target fuel injection quantity (deter- NOTE: ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION TD27Ti CONSULT-II (Cont’d) EC-329 |