Monitor Status Check: Notes
The purpose of obtaining the monitoring result (mode 06) is to gain access to the result of on-board diagnostics monitoring test in the particular part and/or system that is continuously monitored. Catalyst and fuel evaporative emission (EVAP) system are responsible for this target.
Owing to the monitoring result, the monitor status and test value (test lower limit, test upper limit) are displayed on the OBD II scan tool. After the monitor has been started by the vehicle system, the data is displayed.
If the data value is not between upper and lower limits, the ECM (PCM) judges this status to be abnormal. When the test value reaches the limit value, malfunction is likely to occur at applicable component in the near future.
For specific procedures, refer to the operation manual for the scan tool to be used.
ADVANCE/RETARDED INTAKE SIDE (FOR BANK 1)
| Monitor ID | Test ID | Scaling | Unit | Description |
|---|---|---|---|---|
| $35 | $8B | Multiply by 0.5 | °CA | Delay in VVT response (advanced) |
| $35 | $8C | Multiply by 0.5 | °CA | Delay in VVT response (retarded) |
ADVANCE/RETARDED INTAKE SIDE (FOR BANK 2)
| Monitor ID | Test ID | Scaling | Unit | Description |
|---|---|---|---|---|
| $36 | $8B | Multiply by 0.5 | °CA | Delay in VVT response (advanced) |
| $36 | $8C | Multiply by 0.5 | °CA | Delay in VVT response (retarded) |
ADVANCE/RETARDED EXHAUST SIDE (FOR BANK 1)
| Monitor ID | Test ID | Scaling | Unit | Description |
|---|---|---|---|---|
| $35 | $8D | Multiply by 0.5 | °CA | Delay in VVT response (retarded) |
| $35 | $8E | Multiply by 0.5 | °CA | Delay in VVT response (advanced) |
ADVANCE/RETARDED EXHAUST SIDE (FOR BANK 2)
| Monitor ID | Test ID | Scaling | Unit | Description |
|---|---|---|---|---|
| $36 | $8D | Multiply by 0.5 | °CA | Delay in VVT response (retarded) |
| $36 | $8E | Multiply by 0.5 | °CA | Delay in VVT response (advanced) |
A/F SENSOR BANK 1 SENSOR 1
| Monitor ID | Test ID | Scaling | Unit | Description |
|---|---|---|---|---|
| $01 | $84 | Multiply by 0.0000305 | No dimension | Minimum value for air/fuel ratio sensor |
| $01 | $85 | Multiply by 0.0000305 | No dimension | Maximum value for air/fuel ratio sensor |
| $01 | $86 | Multiply by 0.0039062 | No dimension | Response for air/fuel ratio sensor |
| $01 | $CF | Multiply by 0.0039062 | No dimension | Increase and decrease in fluctuation for air/fuel ratio sensor |
| $01 | $CD | Multiply by 0.0039062 | No dimension | Increase and decrease in time for air/fuel ratio sensor |
| $01 | $91 | Multiply by 0.0039062 | No dimension | Delay level changes from "rich" to "lean." |
| $01 | $92 | Multiply by 1 | Second | Time ratio for rich/lean status |
| $01 | $A3 | Multiply by 0.0039062 | No dimension | Delay level changes from "lean" to "rich." |
| $01 | $A4 | Multiply by 1 | Second | Time ratio for lean/rich status |
| $01 | $AC | Multiply by 1 | Second | Waiting time on rich side |
| $01 | $AD | Multiply by 1 | Second | Time difference for rich/lean status |
| $01 | $AE | Multiply by 1 | Second | Waiting time on lean side |
| $01 | $AF | Multiply by 1 | Second | Time difference for lean/rich status |
HO2 SENSOR BANK 1 SENSOR 2
| Monitor ID | Test ID | Scaling | Unit | Description |
|---|---|---|---|---|
| $02 | $05 | Multiply by 1 | ms | Rich to lean sensor threshold time (calculation) |
| $02 | $06 | Multiply by 1 | ms | Lean to rich sensor threshold time (calculation) |
| $02 | $07 | Multiply by 0.001 | V | Lowest sensor voltage for test cycle (calculation) |
| $02 | $08 | Multiply by 0.001 | V | Highest sensor voltage for test cycle (calculation) |
CATALYST
| Monitor ID | Test ID | Scaling | Unit | Description |
|---|---|---|---|---|
| $21 | $89 | Multiply by 0.0039062 | No dimension | Storage capability of oxygen for catalyst |
EVAP MONITOR (CAP OFF)
| Monitor ID | Test ID | Scaling | Unit | Description |
|---|---|---|---|---|
| $39 | $93 | Multiply by 0.25 | Pa | B mode test result |
EVAP MONITOR (0.040")
| Monitor ID | Test ID | Scaling | Unit | Description |
|---|---|---|---|---|
| $3B | $94 | Multiply by 0.25 | Pa | C mode test result |
| $3B | $95 | Multiply by 0.25 | Pa | D mode test result |
EVAP MONITOR (0.020")
| Monitor ID | Test ID | Scaling | Unit | Description |
|---|---|---|---|---|
| $3C | $96 | Multiply by 0.25 | Pa | D mode test result |
| $3C | $C1 | Multiply by 0.25 | Pa | 4-1 mode test result |
| $3C | $C2 | Multiply by 0.25 | Pa | 4-2 mode test result |
| $3C | $C3 | Multiply by 0.25 | Pa | 5 mode test result |
| $3C | $C4 | Multiply by 0.25 | Pa | 7 mode test result |
| $3C | $C5 | Multiply by 0.25 | Pa | 8 mode test result |
| $3C | $C6 | Multiply by 10 | ms | 9 mode test result |
| $3C | $C7 | Multiply by 0.25 | Pa | 13 mode test result |
| $3C | $C8 | Multiply by 0.25 | Pa | 15-1 mode test result |
| $3C | $C9 | Multiply by 0.25 | Pa | 15-2 mode test result |
| $3C | $CA | Multiply by 0.25 | Pa | 16 mode test result |
PURGE FLOW MONITOR
| Monitor ID | Test ID | Scaling | Unit | Description |
|---|---|---|---|---|
| $3D | $98 | Multiply by 0.25 | Pa | 0.04 in mode Z test result |
| $3D | $CB | Multiply by 10 | ms | Test 1 result |
| $3D | $CC | Multiply by 0.25 | Pa | Test 2 result |
A/F SENSOR HEATER BANK 1 SENSOR 1
| Monitor ID | Test ID | Scaling | Unit | Description |
|---|---|---|---|---|
| $41 | $9B | Multiply by 1 | Ω | Oxygen sensor heater impedance |
OXYGEN SENSOR HEATER BANK 1 SENSOR 2
| Monitor ID | Test ID | Scaling | Unit | Description |
|---|---|---|---|---|
| $42 | $A2 | Multiply by 1 | Time | Air/fuel ratio sensor heater performance |
MISFIRE
| Monitor ID | Test ID | Scaling | Unit | Description | ||
|---|---|---|---|---|---|---|
| $A1 | $0B | Multiply by 1 | Time | Total number of misfires for EWMA(1) counted during the last driving cycle in all cylinders | ||
| $A1 | $0C | Multiply by 1 | Time |
|
||
| $A2 | $0B | Multiply by 1 | Time | Total number of misfires for EWMA(1) counted during the last 10 driving cycles in cylinder #1 | ||
| $A2 | $0C | Multiply by 1 | Time |
|
||
| $A3 | $0B | Multiply by 1 | Time | Total number of misfires for EWMA(1) counted during the last 10 driving cycles in cylinder #2 | ||
| $A3 | $0C | Multiply by 1 | Time |
|
||
| $A4 | $0B | Multiply by 1 | Time | Total number of misfires for EWMA(1) counted during the last 10 driving cycles in cylinder #3 | ||
| $A4 | $0C | Multiply by 1 | Time |
|
||
| $A5 | $0B | Multiply by 1 | Time | Total number of misfires for EWMA(1) counted during the last 10 driving cycles in cylinder #4 | ||
| $A5 | $0C | Multiply by 1 | Time |
|
||
Arithmetic expression for obtaining the number of misfire: 0.1 x (Current times) + 0.9 x (Previous average) (Previous average) for initial value = 0 |
||||||