Fuel parameters
The Honda Clarity has 27 fuel parameters.
● Confirmed◆ In testing○ Supported× Not supported
Air-fuel mixture heater HONDA_AIR_FUEL_MIXTUREConfirmed
- Request
22 26 6D - Service 22
DID 266D - Module
DA0E → 0E - Every
1 s - Testing
Bits 72 to 79 of the reply, 8 bits.
- Formula
(val ÷ 2)- Range
- 0 to 127 %
- Unit
- %
Confirmed for 2018. In testing for 2008 to 2014, 2016 to 2017, 2019 to 2022.
Engine exhaust flow rate EXH_RATESAE J1979Confirmed
- Request
01 9E - Service 01
PID 9E - Module
7E0 → 7E8 - Every
250 ms
Bits 0 to 15 of the reply, 16 bits.
- Formula
(val ÷ 5)- Range
- 0 to 13107 kg/h
- Unit
- kg/h
Confirmed for 2018.
Engine fuel rate (alternate) FUEL_RATE_ALTSAE J1979Confirmed
- Request
01 9D - Service 01
PID 9D - Module
7E0 → 7E8 - Every
250 ms
Bits 0 to 15 of the reply, 16 bits.
- Formula
(val ÷ 50)- Range
- 0 to 1310.7 g/s
- Unit
- g/s
Confirmed for 2018.
Fuel level HONDA_FLVConfirmed
Pelican can show this parameter as the fuel tank level.
- Request
22 70 29 - Service 22
DID 7029 - Module
DA60 → 60 - Every
30 s - Testing
Bits 96 to 111 of the reply, 16 bits.
- Formula
(val ÷ 100)- Range
- 0 to 655 L
- Unit
- L
Confirmed for 2018 to 2019, 2021. In testing for 2008 to 2014, 2016 to 2017, 2020, 2022.
Fuel pressure sensor A, raw count HONDA_SENS_FUEL_P_RAW_CNT
- Request
22 26 15 - Service 22
DID 2615 - Module
DA11 → 11 - Every
1 s - Testing
Bits 248 to 263 of the reply, 16 bits.
- Formula
val- Range
- 0 to 65535
- Unit
- Number
In testing for 2008 to 2014, 2016 to 2017, 2019 to 2022. Not supported for 2018.
Fuel system 1 status FUELSYS1SAE J1979Confirmed
- Request
01 03 - Service 01
PID 03 - Module
7E0 → 7E8 - Every
250 ms
Bits 0 to 7 of the reply, 8 bits.
- Unit
- Named states
| Raw value | State | Meaning |
|---|---|---|
0 | OFF | Engine is off |
1 | OL | Open loop - has not yet satisfied conditions to go closed loop |
2 | CL | Closed loop - using oxygen sensor(s) as feedback for fuel control |
4 | OL-Drive | Open loop due to driving conditions (e.g. power enrichment, deceleration enleanment) |
8 | OL-Fault | Open loop - due to detected system fault |
16 | CL-Fault | Closed loop, but fault with at least one oxygen sensor - may be using single oxygen sensor for fuel control |
32 | OL B2 | Open loop - has not yet satisfied conditions to go closed loop (Bank 2) |
64 | OL-Drive B2 | Open loop due to driving conditions (Bank 2) (e.g. power enrichment, deceleration enleanment, cylinder deactivation) |
128 | OL-Fault B2 | Open loop - due to detected system fault (Bank 2) |
Confirmed for 2018, 2022. Supported for 2019, 2021.
Fuel system 2 status FUELSYS2SAE J1979Confirmed
- Request
01 03 - Service 01
PID 03 - Module
7E0 → 7E8 - Every
250 ms
Bits 8 to 15 of the reply, 8 bits.
- Unit
- Named states
| Raw value | State | Meaning |
|---|---|---|
0 | OFF | Engine is off |
1 | OL | Open loop - has not yet satisfied conditions to go closed loop |
2 | CL | Closed loop - using oxygen sensor(s) as feedback for fuel control |
4 | OL-Drive | Open loop due to driving conditions (e.g. power enrichment, deceleration enleanment) |
8 | OL-Fault | Open loop - due to detected system fault |
16 | CL-Fault | Closed loop, but fault with at least one oxygen sensor - may be using single oxygen sensor for fuel control |
32 | OL B2 | Open loop - has not yet satisfied conditions to go closed loop (Bank 2) |
64 | OL-Drive B2 | Open loop due to driving conditions (Bank 2) (e.g. power enrichment, deceleration enleanment, cylinder deactivation) |
128 | OL-Fault B2 | Open loop - due to detected system fault (Bank 2) |
Confirmed for 2018, 2022. Supported for 2019, 2021.
Fuel system A use percentage bank 1 FUELSYSA_B1SAE J1979Confirmed
- Request
01 9F - Service 01
PID 9F - Module
7E0 → 7E8 - Every
250 ms
Bits 8 to 15 of the reply, 8 bits.
- Formula
(val × 100 ÷ 255)- Range
- 0 to 100 %
- Unit
- %
Confirmed for 2018.
Fuel system A use percentage bank 2 FUELSYSA_B2SAE J1979Confirmed
- Request
01 9F - Service 01
PID 9F - Module
7E0 → 7E8 - Every
250 ms
Bits 24 to 31 of the reply, 8 bits.
- Formula
(val × 100 ÷ 255)- Range
- 0 to 100 %
- Unit
- %
Confirmed for 2018.
Fuel system A use percentage bank 3 FUELSYSA_B3SAE J1979Confirmed
- Request
01 9F - Service 01
PID 9F - Module
7E0 → 7E8 - Every
250 ms
Bits 40 to 47 of the reply, 8 bits.
- Formula
(val × 100 ÷ 255)- Range
- 0 to 100 %
- Unit
- %
Confirmed for 2018.
Fuel system A use percentage bank 4 FUELSYSA_B4SAE J1979Confirmed
- Request
01 9F - Service 01
PID 9F - Module
7E0 → 7E8 - Every
250 ms
Bits 56 to 63 of the reply, 8 bits.
- Formula
(val × 100 ÷ 255)- Range
- 0 to 100 %
- Unit
- %
Confirmed for 2018.
Fuel system B use percentage bank 1 FUELSYSB_B1SAE J1979Confirmed
- Request
01 9F - Service 01
PID 9F - Module
7E0 → 7E8 - Every
250 ms
Bits 16 to 23 of the reply, 8 bits.
- Formula
(val × 100 ÷ 255)- Range
- 0 to 100 %
- Unit
- %
Confirmed for 2018.
Fuel system B use percentage bank 2 FUELSYSB_B2SAE J1979Confirmed
- Request
01 9F - Service 01
PID 9F - Module
7E0 → 7E8 - Every
250 ms
Bits 32 to 39 of the reply, 8 bits.
- Formula
(val × 100 ÷ 255)- Range
- 0 to 100 %
- Unit
- %
Confirmed for 2018.
Fuel system B use percentage bank 3 FUELSYSB_B3SAE J1979Confirmed
- Request
01 9F - Service 01
PID 9F - Module
7E0 → 7E8 - Every
250 ms
Bits 48 to 55 of the reply, 8 bits.
- Formula
(val × 100 ÷ 255)- Range
- 0 to 100 %
- Unit
- %
Confirmed for 2018.
Fuel system B use percentage bank 4 FUELSYSB_B4SAE J1979Confirmed
- Request
01 9F - Service 01
PID 9F - Module
7E0 → 7E8 - Every
250 ms
Bits 64 to 71 of the reply, 8 bits.
- Formula
(val × 100 ÷ 255)- Range
- 0 to 100 %
- Unit
- %
Confirmed for 2018.
Fuel tank level FLISAE J1979Confirmed
Pelican can show this parameter as the fuel tank level.
- Request
01 2F - Service 01
PID 2F - Module
7E0 → 7E8 - Every
1 s
Bits 0 to 7 of the reply, 8 bits.
- Formula
(val × 100 ÷ 255)- Range
- 0 to 100 %
- Unit
- %
Confirmed for 2018, 2022. Supported for 2019, 2021.
Fuel/air commanded equivalence ratio HONDA_FUEL_AIR_RAT_PCMConfirmed
- Request
22 26 11 - Service 22
DID 2611 - Module
DA0E → 0E - Every
1 s - Testing
Bits 0 to 7 of the reply, 8 bits.
- Formula
val- Range
- 0 to 255
- Unit
- Number
Confirmed for 2018. In testing for 2008 to 2014, 2016 to 2017, 2019 to 2022.
Fuel/air commanded equivalence ratio HONDA_FUEL_AIR_RATIO
- Request
22 26 11 - Service 22
DID 2611 - Module
DA10 → 10 - Every
5 s - Testing
Bits 0 to 7 of the reply, 8 bits.
- Formula
val- Range
- 0 to 255
- Unit
- Number
In testing for 2008 to 2014, 2016 to 2017, 2020, 2022. Not supported for 2018 to 2019, 2021.
Vehicle fuel rate VFUEL_RATESAE J1979Confirmed
- Request
01 9D - Service 01
PID 9D - Module
7E0 → 7E8 - Every
250 ms
Bits 16 to 31 of the reply, 16 bits.
- Formula
(val ÷ 50)- Range
- 0 to 1310.7 g/s
- Unit
- g/s
Confirmed for 2018.
Fuel › Internal
Fuel system A use percentage bank 1 supported FUELSYSA_B1_SUPSAE J1979Confirmed
- Request
01 9F - Service 01
PID 9F - Module
7E0 → 7E8 - Every
250 ms
Bit 7 of the reply.
- Formula
val- Range
- 0 to 1
- Unit
- No or yes
Confirmed for 2018.
Fuel system A use percentage bank 2 supported FUELSYSA_B2_SUPSAE J1979Confirmed
- Request
01 9F - Service 01
PID 9F - Module
7E0 → 7E8 - Every
250 ms
Bit 5 of the reply.
- Formula
val- Range
- 0 to 1
- Unit
- No or yes
Confirmed for 2018.
Fuel system A use percentage bank 3 supported FUELSYSA_B3_SUPSAE J1979Confirmed
- Request
01 9F - Service 01
PID 9F - Module
7E0 → 7E8 - Every
250 ms
Bit 3 of the reply.
- Formula
val- Range
- 0 to 1
- Unit
- No or yes
Confirmed for 2018.
Fuel system A use percentage bank 4 supported FUELSYSA_B4_SUPSAE J1979Confirmed
- Request
01 9F - Service 01
PID 9F - Module
7E0 → 7E8 - Every
250 ms
Bit 1 of the reply.
- Formula
val- Range
- 0 to 1
- Unit
- No or yes
Confirmed for 2018.
Fuel system B use percentage bank 1 supported FUELSYSB_B1_SUPSAE J1979Confirmed
- Request
01 9F - Service 01
PID 9F - Module
7E0 → 7E8 - Every
250 ms
Bit 6 of the reply.
- Formula
val- Range
- 0 to 1
- Unit
- No or yes
Confirmed for 2018.
Fuel system B use percentage bank 2 supported FUELSYSB_B2_SUPSAE J1979Confirmed
- Request
01 9F - Service 01
PID 9F - Module
7E0 → 7E8 - Every
250 ms
Bit 4 of the reply.
- Formula
val- Range
- 0 to 1
- Unit
- No or yes
Confirmed for 2018.
Fuel system B use percentage bank 3 supported FUELSYSB_B3_SUPSAE J1979Confirmed
- Request
01 9F - Service 01
PID 9F - Module
7E0 → 7E8 - Every
250 ms
Bit 2 of the reply.
- Formula
val- Range
- 0 to 1
- Unit
- No or yes
Confirmed for 2018.
Fuel system B use percentage bank 4 supported FUELSYSB_B4_SUPSAE J1979Confirmed
- Request
01 9F - Service 01
PID 9F - Module
7E0 → 7E8 - Every
250 ms
Bit 0 of the reply.
- Formula
val- Range
- 0 to 1
- Unit
- No or yes
Confirmed for 2018.