Meter: Overview Lexus SC II рестайлинг

Scheme 49

1. DISCONNECT AND RECONNECT CABLE OF NEGATIVE BATTERY TERMINAL Before performing electronic work, disconnect the cable from the negative (-) battery terminal in order to prevent it from shorting and burning out. When disconnecting and reconnecting the battery cable, turn the ignition switch OFF and headlight dimmer switch OFF. Then loosen the terminal nut completely. Be careful not to damage the cable or terminal. When the battery cable is disconnected, the settings of the clock and radio, and memory of DTCs, etc., are erased. Before disconnecting the battery cable, take notes of the settings and memory. (Scheme 49): Disconnecting Cable From Negative (-) Battery Terminal NOTE: When disconnecting the cable from the negative (-) battery terminal, initialize the following system(s) after the cable is reconnected. SYSTEM REFERENCE CHART System Name See Procedure Front Power Seat Control System «INITIALIZATION»

SYSTEM DESCRIPTION

1. METER GAUGE WARNING LIGHT/INDICATOR Gauge METER GAUGE WARNING LIGHT/INDICATOR REFERENCE CHART Item Detail Speedometer Calculates vehicle speed based on signal from skid control ECU Tachometer Calculates engine speed based on signal from ECM Engine Coolant Temperature Receiver Gauge Indicates engine coolant temperature based on signal from ECM Fuel Receiver Gauge Indicates remaining amount of fuel based on signal from fuel sender gauge ODO/TRIP Meter Calculates mileage or distance since trip button was pressed Warning Light/Indicator WARNING LIGHT/INDICATOR REFERENCE CHART Item Detail TURN Blinks when receiving "turn signal or hazard warning switch is on" signal HIGH BEAM Illuminates when headlight dimmer switch is set to hi-beam or FLASH CHARGE Illuminates when receiving malfunction signal from generator OIL PRESSURE Illuminates when receiving "engine oil pressure is abnormally low (pressure switch is on)" signal from ECM OIL LEVEL Illuminates when receiving "amount of engine oil is not sufficient" signal from ECM MIL Illuminates when receiving SFI system malfunction signal from ECM OPEN DOOR Illuminates when receiving door courtesy light switch signal TAIL*1 Illuminates when receiving "taillight is ON" signal from driver side junction block ECU HEAD*2 Illuminates when receiving "headlight is ON" signal from driver side junction block ECU SEAT BELT Blinks when driver side seat belt buckle switch is OFF (unfastened) WASHER Illuminates when receiving "windshield washer fluid level is too low" signal from front light ECU SRS Illuminates when receiving malfunction signal from airbag sensor assembly center SLIP Blinks when receiving "vehicle stability control system" or "traction control system is properly operating" signal from skid control ECU VSC OFF Illuminates when receiving "VSC OFF switch is on" signal or blinks when receiving "traction control system or vehicle stability control system is malfunctioning" signal from skid control ECU ABS Illuminates when receiving malfunction signal from skid control ECU BRAKE Illuminates when receiving "parking brake is applied (switch is ON) or brake fluid level is abnormally low" signal FUEL Illuminates when receiving fuel empty signal from fuel sender gauge, or blinks when receiving malfunction signal used for remaining fuel calculation TIRE PRESSURE Blinks when receiving "tire pressure is abnormally low" signal from tire pressure monitor receiver REAR LIGHTS Illuminates when receiving "taillight bulb is burn out" signal from luggage room junction block ECU CRUISE Illuminates when receiving "cruise control system is operating properly" signal from ECM ECT SNOW Illuminates when receiving "ECT SNOW switch is on" signal from passenger side junction block ECU ECT PWR Illuminates when receiving "ECT PWR switch is on" signal from passenger side junction block ECU S Illuminates when receiving S indicator signal from ECM D Illuminates when receiving D indicator signal from ECM N Illuminates when receiving N indicator signal from ECM R Illuminates when receiving R indicator signal from ECM P Illuminates when receiving P indicator signal from ECM AFS OFF Illuminates when receiving AFS OFF switch is ON signal from AFS ECU HINT: *1: w/ Taillight *2: w/ Headlight

See also:
• MIL CIRCUIT
• FUEL TANK
• DTC P0705 TRANSMISSION RANGE SENSOR CIRCUIT MALFUNCTION (PRNDL INPUT); DTC P0850 PARK / NEUTRAL SWITCH INPUT CIRCUIT