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Test Value and Test Limit

The following is the information specified in Service $06 of SAE J1979/ISO 15031-5.

The test value is a parameter used to determine whether a system/circuit diagnostic test is OK or NG while being monitored by the ECM during self-diagnosis. The test limit is a reference value which is specified as the maximum or minimum value and is compared with the test value being monitored.

These data (test value and test limit) are specified by On Board Monitor ID (OBDMID), Test ID (TID), Unit and Scaling ID and can be displayed on the GST screen.

The items of the test value and test limit will be displayed with GST screen which items are provided by the ECM. (e.g., if bank 2 is not applied on this vehicle, only the items of bank 1 are displayed)

Item OBD-MID Self-diagnostic test item DTC Test value and Test limit (GST display) Description
TID Unit and Scaling ID
HO2S 01H Air fuel ratio (A/F) sensor 1 (Bank 1) P0131 83H 0BH Minimum sensor output voltage for test cycle
P0131 84H 0BH Maximum sensor output voltage for test cycle
P0130 85H 0BH Minimum sensor output voltage for test cycle
P0130 86H 0BH Maximum sensor output voltage for test cycle
P0133 87H 04H Response rate: Response ratio (lean to rich)
P0133 88H 04H Response rate: Response ratio (rich to lean)
P2096 89H 84H The amount of shift in air fuel ratio
P2097 8AH 84H The amount of shift in air fuel ratio
P0130 8BH 0BH Difference in sensor output voltage
P0133 8CH 83H Response gain at the limited frequency
P014C 8DH 04H O2 sensor slow response - Rich to lean bank 1 sensor 1
P014C 8EH 04H O2 sensor slow response - Rich to lean bank 1 sensor 1
P014D 8FH 84H O2 sensor slow response - Lean to rich bank 1 sensor 1
P014D 90H 84H O2 sensor slow response - Lean to rich bank 1 sensor 1
P015A 91H 01H O2 sensor delayed response - Rich to lean bank 1 sensor 1
P015A 92H 01H O2 sensor delayed response - Rich to lean bank 1 sensor 1
P015B 93H 01H O2 sensor delayed response - Lean to rich bank 1 sensor 1
P015B 94H 01H O2 sensor delayed response - Lean to rich bank 1 sensor 1
02H Heated oxygen sensor 2 (Bank 1) P0138 07H 0CH Minimum sensor output voltage for test cycle
P0137 08H 0CH Maximum sensor output voltage for test cycle
P0138 80H 0CH Sensor output voltage
P0139 81H 0CH Difference in sensor output voltage
P0139 82H 11H Rear O2 sensor delay response diagnosis
03H Heated oxygen sensor 3 (Bank 1) P0143 07H 0CH Minimum sensor output voltage for test cycle
P0144 08H 0CH Maximum sensor output voltage for test cycle
P0146 80H 0CH Sensor output voltage
P0145 81H 0CH Difference in sensor output voltage
05H Air fuel ratio (A/F) sensor 1 (Bank 2) P0151 83H 0BH Minimum sensor output voltage for test cycle
P0151 84H 0BH Maximum sensor output voltage for test cycle
P0150 85H 0BH Minimum sensor output voltage for test cycle
P0150 86H 0BH Maximum sensor output voltage for test cycle
P0153 87H 04H Response rate: Response ratio (lean to rich)
P0153 88H 04H Response rate: Response ratio (rich to lean)
P2098 89H 84H The amount of shift in air fuel ratio
P2099 8AH 84H The amount of shift in air fuel ratio
P0150 8BH 0BH Difference in sensor output voltage
P0153 8CH 83H Response gain at the limited frequency
P014E 8DH 04H O2 sensor slow response - Rich to lean bank 2 sensor 1
P014E 8EH 04H O2 sensor slow response - Rich to lean bank 2 sensor 1
P014F 8FH 84H O2 sensor slow response - Lean to rich bank 2 sensor 1
P014F 90H 84H O2 sensor slow response - Lean to rich bank 2 sensor 1
P015C 91H 01H O2 sensor delayed response - Rich to lean bank 2 sensor 1
P015C 92H 01H O2 sensor delayed response - Rich to lean bank 2 sensor 1
P015D 93H 01H O2 sensor delayed response - Lean to rich bank 2 sensor 1
P015D 94H 01H O2 sensor delayed response - Lean to rich bank 2 sensor 1
06H Heated oxygen sensor 2 (Bank 2) P0158 07H 0CH Minimum sensor output voltage for test cycle
P0157 08H 0CH Maximum sensor output voltage for test cycle
P0158 80H 0CH Sensor output voltage
P0159 81H 0CH Difference in sensor output voltage
P0159 82H 11H Rear O2 sensor delay response diagnosis
07H Heated oxygen sensor 3 (Bank2) P0163 07H 0CH Minimum sensor output voltage for test cycle
P0164 08H 0CH Maximum sensor output voltage for test cycle
P0166 80H 0CH Sensor output voltage
P0165 81H 0CH Difference in sensor output voltage
CATALYST 21H Three way catalyst function (Bank1) P0420 80H 01H O2 storage index
P0420 82H 01H Switching time lag engine exhaust index value
P2423 83H 0CH Difference in 3rd O2 sensor output voltage
P2423 84H 84H O2 storage index in HC trap catalyst
22H Three way catalyst function (Bank2) P0430 80H 01H O2 storage index
P0430 82H 01H Switching time lag engine exhaust index value
P2424 83H 0CH Difference in 3rd O2 sensor output voltage
P2424 84H 84H O2 storage index in HC trap catalyst
EGR SYSTEM 31H EGR function P0400 80H 96H Low flow faults: EGR temp change rate (short term)
P0400 81H 96H Low flow faults: EGR temp change rate (long term)
P0400 82H 96H Low flow faults: Difference between max EGR temp and EGR temp under idling condition
P0400 83H 96H Low flow faults: Max EGR temp
P1402 84H 96H High Flow Faults: EGR temp increase rate
VVT SYSTEM 35H VVT Monitor (Bank1) P0011 80H 9DH VTC intake function diagnosis (VTC alignment check diagnosis)
P0014 81H 9DH VTC exhaust function diagnosis (VTC alignment check diagnosis)
P0011 82H 9DH VTC intake function diagnosis (VTC drive failure diagnosis)
P0014 83H 9DH VTC exhaust function diagnosis (VTC drive failure diagnosis)
P100A 84H 10H VEL slow response diagnosis
P1090 85H 10H VEL servo system diagnosis
P0011 86H 9DH VTC intake intermediate lock function diagnosis (VTC intermediate position alignment check diagnosis)
Advanced: P052A
Retarded: P052B		 87H 9DH VTC intake intermediate lock system diagnosis (VTC intermediate lock position check diagnosis)
36H VVT Monitor (Bank2) P0021 80H 9DH VTC intake function diagnosis (VTC alignment check diagnosis)
P0024 81H 9DH VTC exhaust function diagnosis (VTC alignment check diagnosis)
P0021 82H 9DH VTC intake function diagnosis (VTC drive failure diagnosis)
P0024 83H 9DH VTC exhaust function diagnosis (VTC drive failure diagnosis)
P100B 84H 10H VEL slow response diagnosis
P1093 85H 10H VEL servo system diagnosis
P0021 86H 9DH VTC intake intermediate lock function diagnosis (VTC intermediate position alignment check diagnosis)
Advanced: P052C
Retarded: P052D		 87H 9DH VTC intake intermediate lock system diagnosis (VTC intermediate lock position check diagnosis)
EVAP SYSTEM 39H EVAP control system leak (Cap Off) P0455 80H 0CH Difference in pressure sensor output voltage before and after pull down
3BH EVAP control system leak (Small leak) P0442 80H 05H Leak area index (for more than 0.04 inch)
3CH EVAP control system leak (Very small leak) P0456 80H 05H Leak area index (for more than 0.02 inch)
P0456 81H FDH Maximum internal pressure of EVAP system during monitoring
P0456 82H FDH Internal pressure of EVAP system at the end of monitoring
3DH Purge flow system P0441 83H 0CH Difference in pressure sensor output voltage before and after vent control valve close
O2 SENSOR HEATER 41H A/F sensor 1 heater (Bank 1) Low Input: P0031
High Input: P0032		 81H 0BH Converted value of heater electric current to voltage
42H Heated oxygen sensor 2 heater (Bank 1) Low Input: P0037
High Input: P0038		 80H 0CH Converted value of heater electric current to voltage
43H Heated oxygen sensor 3 heater (Bank 1) P0043 80H 0CH Converted value of heater electric current to voltage
45H A/F sensor 1 heater (Bank 2) Low Input: P0051
High Input: P0052		 81H 0BH Converted value of heater electric current to voltage
46H Heated oxygen sensor 2 heater (Bank 2) Low Input: P0057
High Input: P0058		 80H 0CH Converted value of heater electric current to voltage
47H Heated oxygen sensor 3 heater (Bank 2) P0063 80H 0CH Converted value of heater electric current to voltage
SECONDARY AIR 71H Secondary air system P0411 80H 01H Secondary air injection system incorrect flow detected
Bank1: P0491
Bank2: P0492		 81H 01H Secondary air injection system insufficient flow
P2445 82H 01H Secondary air injection system pump stuck off
P2448 83H 01H Secondary air injection system high airflow
Bank1: P2440
Bank2: P2442		 84H 01H Secondary air injection system switching valve stuck open
P2440 85H 01H Secondary air injection system switching valve stuck open
P2444 86H 01H Secondary air injection system pump stuck on
FUEL SYSTEM 81H Fuel injection system function (Bank 1) P0171 or P0172 80H 2FH Long term fuel trim
P0171 or P0172 81H 24H The number of lambda control clamped
P117A 82H 03H Cylinder A/F imbalance monitoring
82H Fuel injection system function (Bank 2) P0174 or P0175 80H 2FH Long term fuel trim
P0174 or P0175 81H 24H The number of lambda control clamped
P117B 82H 03H Cylinder A/F imbalance monitoring
MISFIRE A1H Multiple cylinder misfires P0301 80H 24H Misfiring counter at 1000 revolution of the first cylinder
P0302 81H 24H Misfiring counter at 1000 revolution of the second cylinder
P0303 82H 24H Misfiring counter at 1000 revolution of the third cylinder
P0304 83H 24H Misfiring counter at 1000 revolution of the fourth cylinder
P0305 84H 24H Misfiring counter at 1000 revolution of the fifth cylinder
P0306 85H 24H Misfiring counter at 1000 revolution of the sixth cylinder
P0307 86H 24H Misfiring counter at 1000 revolution of the seventh cylinder
P0308 87H 24H Misfiring counter at 1000 revolution of the eighth cylinder
P0300 88H 24H Misfiring counter at 1000 revolution of the multiple cylinders
P0301 89H 24H Misfiring counter at 200 revolution of the first cylinder
P0302 8AH 24H Misfiring counter at 200 revolution of the second cylinder
P0303 8BH 24H Misfiring counter at 200 revolution of the third cylinder
P0304 8CH 24H Misfiring counter at 200 revolution of the fourth cylinder
P0305 8DH 24H Misfiring counter at 200 revolution of the fifth cylinder
P0306 8EH 24H Misfiring counter at 200 revolution of the sixth cylinder
P0307 8FH 24H Misfiring counter at 200 revolution of the seventh cylinder
P0308 90H 24H Misfiring counter at 200 revolution of the eighth cylinder
P0300 91H 24H Misfiring counter at 1000 revolution of the single cylinder
P0300 92H 24H Misfiring counter at 200 revolution of the single cylinder
P0300 93H 24H Misfiring counter at 200 revolution of the multiple cylinders
A2H No. 1 cylinder misfire P0301 0BH 24H EWMA (Exponential Weighted Moving Average) misfire counts for last 10 driving cycles
P0301 0CH 24H Misfire counts for last/current driving cycles
A3H No. 2 cylinder misfire P0302 0BH 24H EWMA (Exponential Weighted Moving Average) misfire counts for last 10 driving cycles
P0302 0CH 24H Misfire counts for last/current driving cycles
A4H No. 3 cylinder misfire P0303 0BH 24H EWMA (Exponential Weighted Moving Average) misfire counts for last 10 driving cycles
P0303 0CH 24H Misfire counts for last/current driving cycles
A5H No. 4 cylinder misfire P0304 0BH 24H EWMA (Exponential Weighted Moving Average) misfire counts for last 10 driving cycles
P0304 0CH 24H Misfire counts for last/current driving cycles
A6H No. 5 cylinder misfire P0305 0BH 24H EWMA (Exponential Weighted Moving Average) misfire counts for last 10 driving cycles
P0305 0CH 24H Misfire counts for last/current driving cycles
A7H No. 6 cylinder misfire P0306 0BH 24H EWMA (Exponential Weighted Moving Average) misfire counts for last 10 driving cycles
P0306 0CH 24H Misfire counts for last/current driving cycles
A8H No. 7 cylinder misfire P0307 0BH 24H EWMA (Exponential Weighted Moving Average) misfire counts for last 10 driving cycles
P0307 0CH 24H Misfire counts for last/current driving cycles
A9H No. 8 cylinder misfire P0308 0BH 24H EWMA (Exponential Weighted Moving Average) misfire counts for last 10 driving cycles
P0308 0CH 24H Misfire counts for last/current driving cycles
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