5VZ-FE 3.4L

TID $07: A/F Sensor Heater

Test ID/Comp ID	Description of Test Data	Description of Test Limit	Conversion Factor (Unit)
$07/$81	Maximum A/F sensor heater current	Maximum threshold heater current to detect A/F sensor heater circuit malfunction	Multiply by 0.173 (A)
$07/$90	Maximum A/F sensor heater current	Maximum threshold heater current to detect A/F sensor heater circuit malfunction	Multiply by 0.173 (A)

O2S Heater

Test ID/ Comp ID	Description of Test Data	Description of Test Limit	Conversation Factor (Unit)
$02	Multiply by 0.000076 (A)	Maximum HO2S heater current (bank 1 sensor 2)	Malfunction criterion

THERMOSTAT

Test ID/ Comp ID	Description of Test Data	Description of Test Limit	Conversion Factor
$08/$81	Difference between actual and estimated engine coolant temperature is 75 °C (167 °F)	Malfunction criteria for thermostat	Multiply by 0.625 and minus 40 (Degree C)

HO2S Output Voltage (Rich or Lean Stuck)

Test ID	Description of TEST DATA	Standard Value of TEST LIMIT	Conversion Factor (Unit)
$07	The minimum sensor voltage while the malfunction is being monitored	Within 0.4 V	-
$08	The maximum sensor voltage while the malfunction is being monitored	0.6 V or more	-

HO2S Output Voltage (Stuck Low)

Test ID	Description of TEST DATA	Standard Value of TEST LIMIT	Conversion Factor (Unit)
$81	Percentage of monitoring time where heated oxygen sensor voltage is less than 0.05 V	Within 60 %	Multiply by 0.3906 (%)
$84	Percentage of monitoring time where heated oxygen sensor voltage is 0.70 V or more	20 % or more	Multiply by 0.3906 (%)
$85	Maximum Rich (0.45 V or more) time	20 seconds or more	Multiply by 0.2621 (sec)

CATALYST

Test ID/Comp ID	Description of Test Data	Conversion Factor	Unit	Description of Test Limit
$01/$01	Catalyst deterioration (bank 1) level determined by waveforms of the A/F sensor and heated oxygen sensor	Multiply by 0.007812 (no dimension)	N/A	Malfunction criteria for catalyst deterioration