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Home >> Honda >> 2004 >> Pilot EX >> Repair and Diagnosis >> Engine Performance >> Mode 6 - 2004 HONDA >> Mode $06 Information By Test >> EVAP System

EVAP System

DTC P1456: Test ID #21: Component ID $81

Test ID $21 Test Limit Type and Component ID $81
DTC P1456
Test Description Monitoring the fluctuation of fuel tank pressure sensor output before and after the two-way bypass valve is opened after engine starting with cold condition.
Store Timing Normal judgement
Conversion to Engineering Units Measured value: Output value (Decimal) x 0.488281 (mmHg)
The lowest limit value: Output value (Decimal) x 0.488281 (mmHg)
The highest limit value: Not applicable
DTC P1456: Test ID #26: Component ID $81

Test ID $26 Test Limit Type and Component ID $81
DTC P1456
Test Description Monitoring either the difference between maximum and minimum of fuel tank pressure sensor output value in certain time after engine starting with cold condition or the difference between the sensor output value when valve is opened to air and that of monitoring.
Store Timing Normal judgement
Conversion to Engineering Units Measured value: Output value (Decimal) x 0.488281 (mmHg)
The lowest limit value: Output value (Decimal) x 0.488281 (mmHg)
The highest limit value: Not applicable
DTC P1456: Test ID #27: Component ID $81

Test ID $27 Test Limit Type and Component ID $81
DTC P1456
Test Description Monitoring the fluctuation of fuel tank pressure sensor output value. It should be monitored before and after the two-way bypass valve is opened, after fuel tank pressure is checked in certain time after engine starting with cold condition.
Store Timing Normal judgement/Failure judgement
Conversion to Engineering Units Measured value: Output value (Decimal) x 0.488281 (mmHg)
The lowest limit value: Output value (Decimal) x 0.488281 (mmHg)
The highest limit value: Not applicable
DTC P1456: Test ID #38: Component ID $01

Test ID $38 Test Limit Type and Component ID $01
DTC P1456
Test Description Monitoring the difference of fuel tank pressure sensor output in pressure retention mode after decompressing the fuel tank.
Store Timing Failure judgement
Conversion to Engineering Units Measured value: Output value (Decimal) x 0.488282 (mmHg)
The lowest limit value: Not applicable
The highest limit value: Output value (Decimal) x 0.488282 (mmHg)
DTC P1456: Test ID #21: Component ID $82

Test ID $21 Test Limit Type and Component ID $82
DTC P1456
Test Description Monitoring the fluctuation of fuel tank pressure sensor output before and after EVAP bypass solenoid valve is opened after engine starting with cold condition.
Store Timing Normal judgement
Conversion to Engineering Units Measured value: Output value x 0.488281 (mmHg)
The lowest limit value: Output value x 0.488281 (mmHg)
The highest limit value: Not applicable
DTC P1456: Test ID #26: Component ID $82

Test ID $26 Test Limit Type and Component ID $82
DTC P1456
Test Description Monitoring either of:
  1. The difference between maximum and minimum of fuel tank pressure sensor output in predetermined time after engine starting with cold condition, or
  2. the difference between the sensor output when EVAP control canister vent shut and EVAP bypass solenoid valves are opened before performing tank leak check, and the sensor output during tank leak check.
Store Timing Normal judgement
Conversion to Engineering Units Measured value: Output value x 0.488281 (mmHg)
The lowest limit value: Output value x 0.488281 (mmHg)
The highest limit value: Not applicable
DTC P1456: Test ID #27: Component ID $82

Test ID $27 Test Limit Type and Component ID $82
DTC P1456
Test Description Monitoring the fluctuation of fuel tank pressure sensor output before and after the EVAP bypass solenoid valve is opened, after fuel tank pressure check is completed in predetermined time after engine starting with cold condition
Store Timing Normal judgement/Failure judgement
Conversion to Engineering Units Measured value: Output value x 0.488281 (mmHg)
The lowest limit value: Output value x 0.488281 (mmHg)
The highest limit value: Not applicable
DTC P1456: Test ID #38: Component ID $02

Test ID $38 Test Limit Type and Component ID $02
DTC P1456
Test Description Monitoring the difference of fuel tank pressure sensor output in pressure retention mode after decompressing the fuel tank.
Store Timing Failure judgement
Conversion to Engineering Units Measured value: Output value x 0.488281 (mmHg)
The lowest limit value: Not applicable
The highest limit value: Output value x 0.488281 (mmHg)
DTC P1456: Test ID #21: Component ID $83

Test ID $21 Test Limit Type and Component ID $83
DTC P1456
Test Description Monitoring the fluctuation of fuel tank pressure sensor output before and after EVAP bypass solenoid valve is opened after engine starting with cold condition.
Store Timing Normal judgement
Conversion to Engineering Units Measured value: Output value x 0.488281 (mmHg)
The lowest limit value: Output value x 0.488281 (mmHg)
The highest limit value: Not applicable
DTC P1456: Test ID #26: Component ID $83

Test ID $26 Test Limit Type and Component ID $83
DTC P1456
Test Description Monitoring either of:
  1. The difference between maximum and minimum of fuel tank pressure sensor output in predetermined time after engine starting with cold condition.
  2. The difference between the sensor output when EVAP control canister vent shut and EVAP bypass solenoid valves are opened before performing tank leak check, and the sensor output during tank leak check.
Store Timing Normal judgement
Conversion to Engineering Units Measured value: Output value x 0.488281 (mmHg)
The lowest limit value: Output value x 0.488281 (mmHg)
The highest limit value: Not applicable
DTC P1456: Test ID #27: Component ID $83

Test ID $27 Test Limit Type and Component ID $83
DTC P1456
Test Description Monitoring the fluctuation of fuel tank pressure sensor output before and after the EVAP bypass solenoid valve is opened, after fuel tank pressure check is completed in predetermined time after engine starting with cold condition
Store Timing Normal judgement/Failure judgement
Conversion to Engineering Units Measured value: Output value x 0.488281 (mmHg)
The lowest limit value: Output value x 0.488281 (mmHg)
The highest limit value: Not applicable
DTC P1456: Test ID #38: Component ID $03

Test ID $38 Test Limit Type and Component ID $03
DTC P1456
Test Description Monitoring the difference of fuel tank pressure sensor output in pressure retention mode after decompressing the fuel tank.
Store Timing Failure judgement
Conversion to Engineering Units Measured value: Output value x 0.488281 (mmHg)
The lowest limit value: Not applicable
The highest limit value: Output value x 0.488281 (mmHg)
DTC P1457: Test ID #29: Component ID $81

Test ID $29 Test Limit Type and Component ID $81
DTC P1457
Test Description Monitoring the fuel tank pressure sensor output value when vent shut valve is closed while fuel tank pressure is equalized to same as atmospheric pressure before canister leak monitoring.
Store Timing Failure judgement
Conversion to Engineering Units Measured value: Output value x 0.488281 - 62.500000 (mmHg)
The lowest limit value: Output value x 0.488281 - 62.500000 (mmHg)
The highest limit value: Not applicable
DTC P1457: Test ID #2D: Component ID $01

Test ID $2D Test Limit Type and Component ID $01
DTC P1457
Test Description Monitoring the fuel tank pressure sensor during decompressing pressure in EVAP vapor line
Store Timing Failure judgement
Conversion to Engineering Units Measured value: Output value x 0.488281 - 62.500000 (mmHg)
The lowest limit value: Not applicable
The highest limit value: Output value x 0.488281 - 62.500000 (mmHg)
DTC P1457: Test ID #2E: Component ID $81

Test ID $2E Test Limit Type and Component ID $81
DTC P1457
Test Description Monitoring the fluctuation of fuel tank pressure sensor output value before and after two-way bypass valve is opened. In this time canister side whose pressure is decreased and fuel tank whose pressure is not decreased are connected with.
Store Timing Normal judgement/Failure judgement
Conversion to Engineering Units Measured value: Output value x 0.488281 (mmHg)
The lowest limit value: Output value x 0.488281 (mmHg)
The highest limit value: Not applicable
DTC P1457: Test ID #2F: Component ID $81

Test ID $2F Test Limit Type and Component ID $81
DTC P1457
Test Description Monitoring the fuel tank pressure sensor output value when evaporative purge control solenoid valve is closed, two-way bypass valve and vent shut valve are opened before canister part decreasing.
Store Timing Failure judgement
Conversion to Engineering Units Measured value: Output value x 0.488281 - 62.500000 (mmHg)
The lowest limit value: Output value x 0.488281 - 62.500000 (mmHg)
The highest limit value: Not applicable
DTC P1457: Test ID #29: Component ID $82

Test ID $29 Test Limit Type and Component ID $82
DTC P1457
Test Description Monitoring the fuel tank pressure sensor output when EVAP control canister vent shut valve is closed after releasing the pressure in EVAP vapor line.
Store Timing Failure judgement
Conversion to Engineering Units Measured value: Output value (Decimal) x 0.488281 - 62.500000 (mmHg)
The lowest limit value: Output value (Decimal) x 0.488281 - 62.500000 (mmHg)
The highest limit value: Not applicable
DTC P1457: Test ID #2D: Component ID $02

Test ID $2D Test Limit Type and Component ID $02
DTC P1457
Test Description Monitoring the fuel tank pressure sensor during decompressing pressure in EVAP vapor line.
Store Timing Failure judgement
Conversion to Engineering Units Measured value: Output value x 0.488281 - 62.500000 (mmHg)
The lowest limit value: Not applicable
The highest limit value: Output value x 0.488281 - 62.500000 (mmHg)
DTC P1457: Test ID #2E: Component ID $82

Test ID $2E Test Limit Type and Component ID $82
DTC P1457
Test Description Monitoring the fluctuation of fuel tank pressure sensor output after opening EVAP bypass solenoid valve while maintaining decompressed pressure in EVAP vapor line.
Store Timing Normal judgement/Failure judgement
Conversion to Engineering Units Measured value: Output value (Decimal) x 0.488281 (mmHg)
The lowest limit value: Output value (Decimal) x 0.488281 (mmHg)
The highest limit value: Not applicable
DTC P1457: Test ID #2F: Component ID $82

Test ID $2F Test Limit Type and Component ID $82
DTC P1457
Test Description Monitoring the fuel tank pressure sensor output when EVAP canister purge valve is closed. and EVAP bypass solenoid and EVAP canister vent shut valves are opened before decompressing pressure in EVAP vapor line.
Store Timing Failure judgement
Conversion to Engineering Units Measured value: Output value x 0.488281 - 62.500000 (mmHg)
The lowest limit value: Output value x 0.488281 - 62.500000 (mmHg)
The highest limit value: Not applicable
DTC P1457: Test ID #29: Component ID $83

Test ID $29 Test Limit Type and Component ID $83
DTC P1457
Test Description Monitoring the fuel tank pressure sensor output when EVAP control canister vent shut valve is closed after releasing the pressure in EVAP vapor line.
Store Timing Failure judgement
Conversion to Engineering Units Measured value: Output value x 0.488281 - 62.500000 (mmHg)
The lowest limit value: Output value x 0.488281 - 62.500000 (mmHg)
The highest limit value: Not applicable
DTC P1457: Test ID #2D: Component ID $03

Test ID $2D Test Limit Type and Component ID $03
DTC P0497
Test Description Purge flow check by monitoring fuel tank pressure sensor value while the engine is running.
Store Timing Failure judgement
Conversion to Engineering Units Measured value: Output value x 0.488281 - 62.500000 (mmHg)
The lowest limit value: Not applicable
The highest limit value: Output value x 0.488281 - 62.500000 (mmHg)
DTC P1457: Test ID #2E: Component ID $83

Test ID $2E Test Limit Type and Component ID $83
DTC P1457
Test Description Monitoring the fluctuation of fuel tank pressure sensor output after opening EVAP bypass solenoid valve while maintaining decompressed pressure in EVAP vapor line.
Store Timing Normal judgement/Failure judgement
Conversion to Engineering Units Measured value: Output value x 0.488281 (mmHg)
The lowest limit value: Output value x 0.488281 (mmHg)
The highest limit value: Not applicable
DTC P1457: Test ID #2F: Component ID $83

Test ID $2F Test Limit Type and Component ID $83
DTC P1457
Test Description Monitoring the fuel tank pressure sensor output when EVAP canister purge valve is closed. and EVAP bypass solenoid and EVAP canister vent shut valves are opened before decompressing pressure in EVAP vapor line.
Store Timing Failure judgement
Conversion to Engineering Units Measured value: Output value x 0.488281 - 62.500000 (mmHg)
The lowest limit value: Output value x 0.488281 - 62.500000 (mmHg)
The highest limit value: Not applicable
DTC P1456: Test ID #3A: Component ID $82

Test ID $3A Test Limit Type and Component ID $82
DTC P1456
Test Description Monitoring the fluctuation of fuel tank pressure sensor before and after the EVAP bypass solenoid valve is opened after engine starting with cold condition.
Store Timing Normal judgement
Conversion to Engineering Units Measured value: Output value x 0.488281 (mmHg)
The lowest limit value: Output value x 0.488281 (mmHg)
The highest limit value: Not applicable
DTC P1456: Test ID #3B: Component ID $82

Test ID $3B Test Limit Type and Component ID $82
DTC P1456
Test Description Monitoring the difference between the sensor output when EVAP control canister vent shut and EVAP bypass solenoid valves are opened before performing tank leak check, and the sensor output during tank leak check.
Store Timing Normal judgement
Conversion to Engineering Units Measured value: Output value x 0.488281 (mmHg)
The lowest limit value: Output value x 0.488281 (mmHg)
The highest limit value: Not applicable
DTC P1456: Test ID #3C: Component ID $02

Test ID $3C Test Limit Type and Component ID $02
DTC P1456
Test Description Monitoring the valve calculated by dividing the difference of fuel tank pressure sensor output in pressure retention mode after decompressing the fuel tank by EVAP leak monitoring time.
Store Timing Normal judgement/Failure judgement
Conversion to Engineering Units Measured value: No unit
The lowest limit value: Not applicable
The highest limit value: No unit
DTC P1456: Test ID #3A: Component ID $83

Test ID $3A Test Limit Type and Component ID $83
DTC P1456
Test Description Monitoring the fluctuation of fuel tank pressure sensor before and after the EVAP bypass solenoid valve is opened after engine starting with cold condition.
Store Timing Normal judgement/
Conversion to Engineering Units Measured value: Output value x 0.488281 (mmHg)
The lowest limit value: Output value x 0.488281 (mmHg)
The highest limit value: Not applicable
DTC P1456: Test ID #3B: Component ID $83

Test ID $3B Test Limit Type and Component ID $83
DTC P1456
Test Description Monitoring the difference between the sensor output when EVAP control canister vent shut and EVAP bypass solenoid valves are opened before performing tank leak check, and the sensor output during tank leak check.
Store Timing Normal judgement
Conversion to Engineering Units Measured value: Output value x 0.488281 (mmHg)
The lowest limit value: Output value x 0.488281 (mmHg)
The highest limit value: Not applicable
DTC P1456: Test ID #3C: Component ID $03

Test ID $3C Test Limit Type and Component ID $03
DTC P1456
Test Description Monitoring the valve calculated by dividing the difference of fuel tank pressure sensor output in pressure retention mode after decompressing the fuel tank by EVAP leak monitoring time.
Store Timing Normal judgement/Failure judgement
Conversion to Engineering Units Measured value: No unit
The lowest limit value: Not applicable
The highest limit value: No unit
DTC P1457: Test ID #3E: Component ID $82

Test ID $3E Test Limit Type and Component ID $82
DTC P1457
Test Description Monitoring the fluctuation of fuel tank pressure sensor output after opening EVAP bypass solenoid valve while maintaining decompressing pressure in EVAP vapor line.
Store Timing Normal judgement/Failure judgement
Conversion to Engineering Units Measured value: Output value x 0.488281 (mmHg)
The lowest limit value: Output value x 0.488281 (mmHg)
The highest limit value: Not applicable
DTC P1457: Test ID #3E: Component ID $83

Test ID $3E Test Limit Type and Component ID $83
DTC P1457
Test Description Monitoring the fluctuation of fuel tank pressure sensor output after opening EVAP bypass solenoid valve while maintaining decompressing pressure in EVAP vapor line.
Store Timing Normal judgement/Failure judgement
Conversion to Engineering Units Measured value: Output value x 0.488281 (mmHg)
The lowest limit value: Output value x 0.488281 (mmHg)
The highest limit value: Not applicable
DTC P496: Test ID #81: Component ID $80

Test ID $81 Test Limit Type and Component ID $80
DTC P0496
Test Description EVAP canister purge valve "stuck open" check by monitoring fuel tank pressure sensor while the engine is running.
Store Timing Normal judgement/Failure judgement
Conversion to Engineering Units Measured value: Output value (Decimal) x 0.1 (mmHg) - 3276.8 (mmHg)
The lowest limit value: Output value (Decimal) x 0.1 (mmHg) - 3276.8 (mmHg)
The highest limit value: Not applicable
DTC P2422: Test ID #82: Component ID $80

Test ID $82 Test Limit Type and Component ID $80
DTC P2422
Test Description EVAP canister purge valve "stuck close" check by monitoring fuel tank pressure sensor while the engine is running.
Store Timing Normal judgement/Failure judgement
Conversion to Engineering Units Measured value: Output value (Decimal) x 0.1 (mmHg) - 3276.8 (mmHg)
The lowest limit value: Output value (Decimal) x 0.1 (mmHg) - 3276.8 (mmHg)
The highest limit value: Not applicable
DTC P2422: Test ID #8F: Component ID $80

Test ID $8F Test Limit Type and Component ID $80
DTC P2422
Test Description EVAP canister purge valve "stuck close" check by monitoring fuel tank pressure sensor at engine start.
Store Timing Failure judgement
Conversion to Engineering Units Measured value: Output value (Decimal) x 0.1 (mmHg) - 3276.8 (mmHg)
The lowest limit value: Output value (Decimal) x 0.1 (mmHg) - 3276.8 (mmHg)
The highest limit value: Not applicable
DTC P0456: Test ID #87: Component ID $00

Test ID $87 Test Limit Type and Component ID $00
DTC P0456
Test Description Leak check of EVAP system by monitoring the fuel tank pressure sensor value during the soak period after the engine is turned off. (EONV)
Store Timing Normal judgement/Failure judgement
Conversion to Engineering Units Measured value: Output value (Decimal) / 16384
The lowest limit value: Not applicable
The highest limit value: Output value (Decimal) / 16384
DTC P0497: Test ID #88: Component ID $00

Test ID $88 Test Limit Type and Component ID $00
DTC P0497
Test Description Purge flow check by monitoring fuel tank pressure sensor value while the engine is running.
Store Timing Normal judgement/Failure judgement
Conversion to Engineering Units Measured value: Output value (Decimal) x 0.1 (mmHg) - 3276.8 (mmHg)
The lowest limit value: Not applicable
The highest limit value: Output value (Decimal) x 0.1 (mmHg) - 3276.8 (mmHg)
DTC P0457: Test ID #8B: Component ID $00

Test ID $8B Test Limit Type and Component ID $00
DTC P0457
Test Description Loose fuel cap check or gross leak check of EVAP system by monitoring the fuel tank pressure sensor signal while EVAP system is decompressing.
Store Timing Failure judgement
Conversion to Engineering Units Measured value: Output value (Decimal) x 0.1 (mmHg) - 3276.8 (mmHg)
The lowest limit value: Not applicable
The highest limit value: Output value (Decimal) x 0.1 (mmHg) - 3276.8 (mmHg)
DTC P0457: Test ID #8D: Component ID $00

Test ID $8D Test Limit Type and Component ID $00
DTC P0457
Test Description Gross leak check of EVAP system by monitoring the fuel tank pressure sensor value after decompress mode.
Store Timing Normal judgement/Failure judgement
Conversion to Engineering Units Measured value: Output value (Decimal) x 0.1 (mmHg) - 3276.8 (mmHg)
The lowest limit value: Not applicable
The highest limit value: Output value (Decimal) x 0.1 (mmHg) - 3276.8 (mmHg)
DTC P0442: Test ID #90: Component ID $00

Test ID $90 Test Limit Type and Component ID $00
DTC P0442
Test Description Leak check of EVAP system by monitoring the fuel tank pressure sensor value before purge started.
Store Timing Normal judgement
Conversion to Engineering Units Measured value: Output value (Decimal) x 0.1 (mmHg) - 3276.8 (mmHg)
The lowest limit value: Not applicable
The highest limit value: Output value (Decimal) x 0.1 (mmHg) - 3276.8 (mmHg)
DTC P0442: Test ID #91: Component ID $80

Test ID $91 Test Limit Type and Component ID $80
DTC P0442
Test Description Leak check of EVAP system by monitoring the fuel tank pressure sensor value while the engine is running.
Store Timing Normal judgement
Conversion to Engineering Units Measured value: Output value (Decimal) x 0.1 (mmHg) - 3276.8 (mmHg)
The lowest limit value: Output value (Decimal) x 0.1 (mmHg) - 3276.8 (mmHg)
The highest limit value: Not applicable
DTC P0442: Test ID #92: Component ID $80

Test ID $92 Test Limit Type and Component ID $80
DTC P0442
Test Description Leak check of EVAP system by monitoring the fuel tank pressure sensor value during the decompression mode.
Store Timing Failure judgement
Conversion to Engineering Units Measured value: Output value (Decimal) x 0.1 (mmHg) - 3276.8 (mmHg)
The lowest limit value: Output value (Decimal) x 0.1 (mmHg) - 3276.8 (mmHg)
The highest limit value: Not applicable
DTC P0442: Test ID #93: Component ID $00

Test ID $93 Test Limit Type and Component ID $00
DTC P0442
Test Description Leak check of EVAP system by monitoring the fuel tank pressure sensor value during the decompression mode.
Store Timing Normal judgement/Failure judgement
Conversion to Engineering Units Measured value: Output value (Decimal) x 0.1 (mmHg/min.)
The lowest limit value: Not applicable
The highest limit value: Output value (Decimal) x 0.1 (mmHg/min.)
DTC P0456: Test ID #94: Component ID $00

Test ID $94 Test Limit Type and Component ID $00
DTC P0456
Test Description Leak check of EVAP system by monitoring the fuel tank pressure sensor value while the engine is running.
Store Timing Normal judgement
Conversion to Engineering Units Measured value: Output value (Decimal) x 0.1 (mmHg) - 3276.8 (mmHg)
The lowest limit value: Not applicable
The highest limit value: Output value (Decimal) x 0.1 (mmHg) - 3276.8 (mmHg)
DTC P0456: Test ID #95: Component ID $80

Test ID $95 Test Limit Type and Component ID $80
DTC P0456
Test Description Leak check of EVAP system by monitoring the fuel tank pressure sensor value during the decompression mode.
Store Timing Failure judgement
Conversion to Engineering Units Measured value: Output value (Decimal) x 0.1 (mmHg) - 3276.8 (mmHg)
The lowest limit value: Output value (Decimal) x 0.1 (mmHg) - 3276.8 (mmHg)
The highest limit value: Not applicable
DTC P0456: Test ID #96: Component ID $00

Test ID $96 Test Limit Type and Component ID $00
DTC P0456
Test Description Leak check of EVAP system by monitoring the fuel tank pressure sensor value during the decompression mode.
Store Timing Failure judgement
Conversion to Engineering Units Measured value: Output value (Decimal) x 0.1 (mmHg/min.)
The lowest limit value: Not applicable
The highest limit value: Output value (Decimal) x 0.1 (mmHg/min.)
DTC P0456: Test ID #97: Component ID $00

Test ID $97 Test Limit Type and Component ID $00
DTC P0456
Test Description Leak check of EVAP system by monitoring the fuel tank pressure sensor value during the decompression mode.
Store Timing Normal judgement
Conversion to Engineering Units Measured value: Output value (Decimal) x 0.1 (mmHg/min.)
The lowest limit value: Not applicable
The highest limit value: Output value (Decimal) x 0.1 (mmHg/min.)