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DATA LIST REFERENCE TABLE <HEATER CONTROLLER ASSEMBLY (A/C-ECU)>
 
 
Item No.Check itemsInspection conditionsThe display contents under normal conditions
17Engine speed-Displays correct engine speed.
19Ambient temperature sensor-Ambient temperature is the same as scan tool (M.U.T.-IIISE) displayed temperature
20Air thermo sensor-Evaporator outlet temperature is the same as scan tool (M.U.T.-IIISE) displayed temperature.
21Interior temperature sensor-Interior temperature is the same as scan tool (M.U.T.-IIISE) displayed temperature
24ECT sensor-Engine coolant temperature is the same as scan tool (M.U.T.-IIISE) displayed temperature.
26Vehicle speed-Displays vehicle speed.
27A/C compressor drive requestCompressor activation request: ONON
Compressor activation request: OFFOFF
28Air conditioning switchAir conditioning switch ONON
Air conditioning switch OFFOFF
29Refrigerant leak (Level 20%)-Normal
45In/out select damp poten (target)Displays outside/inside air selection damper target position.Displays outside/inside air selection damper target position.
46In/out select damp potentiometer-Displays outside/inside air selection damper position.
55Air outlet c/o potentiometer-Displays air outlet changeover damper position.
56Air outlet c/o potentio. (Target)-Displays air outlet changeover damper target position.
57Refrigerant leak (Low pressure)-Normal
60Rear defogger switchRear window defogger switch ONON
Rear window defogger switch OFFOFF
61Pressure sensor-Displays refrigerant pressure.
67Photo sensorNot usedValue of solar radiation
68Front blower fan-Displays blower motor condition.
69Front blower fan (Target)-Displays blower motor target value.
74Condenser fan-Displays condenser fan running condition.
92Wiper operation flag-ON when the wiper is operated.
93IG/Electric motor SW pos. info.-Electric motor switch status
94Power source voltage-Displays power supply voltage.
95IOD fuse equipment flag-IOD fuse status
97Alternator use rateNot usedAlternator Duty Cycle
100System operation time-System operation time
101Engine work time-Engine work time
102Battery cooling time-Battery cooling time
103IG SW/Electric motor SW ON time-IG ON time
104Solenoid valve operation counter-Solenoid valve operation frequency
105Compressor high speed drive time-Compressor high speed drive time
106Compressor high PRS.drive time-Compressor high PRS. drive time
107Compressor drive time-Compressor drive time
108High pressure cut times-Displays the high pressure cut times.
109Maximum pressure-Displays the refrigerant pressure.
110High water TEMP. cut counter-High water TEMP. cut frequency
111High water temperature time-High water temperature time
112ELC.water pump drive time-ELC.water pump drive time
118MAX coolant temperature-MAX coolant temperature
119Fan HI driving time-Fan HI driving time
120Fan M2 driving time-Fan M2 driving time
121Fan M1 driving time-Fan M1 driving time
122Fan LO driving time-Fan LO driving time
151Dr air mix potentiometer-Displays the air mix damper position (driver's side).
152As air mix potentiometer-Displays the air mix damper position (front passenger's side).
153High pressure fail flagHigh pressure fail flag ONON
High pressure fail flag OFFOFF
154Dr temperature setting-Displays air conditioning set temperature (driver's side).
155As temperature setting-Displays air conditioning set temperature (front passenger's side).
156Eco ModeECO modeECO
Normal modeComfort
160Low pressure fail flagLow pressure fail flag ONON
Low pressure fail flag OFFOFF
172BATT.cooling air thermo sensor-Displays the temperature downstream of the evaporator in the main drive lithium-ion battery.
173High voltage battery voltage-High voltage battery voltage
174High voltage battery current-High voltage battery current
175Supply power for A/C-Displays the electric power consumption available for operating the air conditioning
176A/C inverter switchAC inverter main switch: ONON
AC inverter main switch: OFFOFF
180Engine start request-Displays the engine start request signal
181Solenoid valve outputSolenoid valve: ON (interior cooling: ON)ON
Solenoid valve: OFF (interior cooling: OFF)OFF
182Compressor power-Displays an actual electric power consumption for the compressor.
183Compressor speed-Displays the compressor actual speed.
184Compressor drive flag (IG cycle)Compressor drive flag ONON
Compressor drive flag OFFOFF
185Compressor voltage failCompressor voltage fail ONON
Compressor voltage fail OFFOFF
186Compressor power failCompressor power fail ONON
Compressor power fail OFFOFF
187Compressor sensor failCompressor sensor fail ONON
Compressor sensor fail OFFOFF
188Compressor over currentCompressor detects over currentON
Compressor does not detect over currentOFF
189Compressor stop eternityCompressor stops eternityON
Compressor does not stop eternityOFF
190Compressor heat protectionCompressor sets heat protectionON
Compressor does not set heat protectionOFF
191Compressor controller failCompressor controller fail ONON
Compressor controller fail OFFOFF
192Compressor drive status-Compressor drive status
193Electric water pump signal-Displays the heater water pump drive status.
196ELC.water pump drive his.flagThe heater water pump is not driven.OFF
The system has detected a malfunction in the heater water pump.Fail
The heater water pump is normal.ON
198BATT.cooling drive history flagThe ECU has not determined whether the evaporator is normal or not.OFF
The ECU has determined whether the evaporator is normal or not.ON
199Compressor drive history flagThe ECU has not determined whether the compressor is normal or not.OFF
The ECU has determined whether the compressor is normal or not.ON
200Battery cooling request signalNo request signal is available.OFF
A request signal is available.ON
201Pre A/C signalPre A/C: ONON
Pre A/C: OFFOFF
202Crash down signalCrash down: ONON
Crash down: OFFOFF
203Shut down signalHigh voltage cannot be supplied to the air conditioning/heater.OFF
High voltage can be supplied to the air conditioning/heater.ON
204High voltage ready signalHigh voltage system is readyON
High voltage system is not readyOFF
205Heated Windscreen test mode flagHeated windshield test mode: OFFOFF
Heated windshield test mode: ONON
206Heated Windscreen equipmentVehicles without heated windshieldNot present
Vehicles with heated windshieldPresent
207Blower motor high temperature protectionActiveON
InactiveOFF
208Blower motor overcurrent protectionActiveON
InactiveOFF
209Blower motor duty ratio-0-100%
210Blower motor duty ratio (Target)-0-100%
noteThe other items will be also displayed. But these will not be required for service repairs.