87634-ZW1-H40 MARK, ENVIRONMENT (EPA 2006) (Honda Code 5675285). Honda
BF115AX LA, BF115AX LCA, BF115AX XA, BF115AX XCA, BF115AY LA, BF115AY LCA, BF115AY XA, BF115AY XCA, BF130AX LA, BF130AX LCA, BF130AX XA, BF130AX XCA, BF130AY LA, BF130AY LCA, BF130AY XA, BF130AY XCA, BF75A1 LHTA, BF75A1 LRTA, BF75A1 XRTA, BF75AW LHTA
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Compatible models:
BF115AX LA
BF115AX LCA
BF115AX XA
BF115AX XCA
BF115AY LA
BF115AY LCA
BF115AY XA
BF115AY XCA
BF130AX LA
BF130AX LCA
BF130AX XA
BF130AX XCA
BF130AY LA
BF130AY LCA
BF130AY XA
BF130AY XCA
BF75A1 LHTA
BF75A1 LRTA
BF75A1 XRTA
BF75AW LHTA
BF75AW LRTA
BF75AW XRTA
BF75AX LHTA
BF75AX LRTA
BF75AX XRTA
BF75AY LHTA
BF75AY LRTA
BF75AY XRTA
BF90A1 JHTA
BF90A1 JRTA
BF90A1 LHTA
BF90A1 LRTA
BF90A1 XRTA
BF90A2 LRTA
BF90A2 XRTA
BF90A3 LRTA
BF90A3 XRTA
BF90AW JHTA
BF90AW JRTA
BF90AW LHTA
BF90AW LRTA
BF90AW XRTA
BF90AX JHTA
BF90AX JRTA
BF90AX LHTA
BF90AX LRTA
BF90AX XRTA
BF90AY JHTA
BF90AY JRTA
BF90AY LHTA
BF90AY LRTA
BF90AY XRTA
Honda
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Information:
Table 1
Diagnostic Trouble Codes for the Engine Pressure Sensors
J1939 Code Description Notes
102-3 Engine Intake Manifold #1 Pressure : Voltage Above Normal The Electronic Control Module (ECM) detects the following conditions:
The signal voltage from the intake manifold air pressure sensor is greater than 4.92 VDC for at least 0.5 seconds.
The battery voltage is at least 10 VDC.
The ECM will use the default value for the intake manifold air pressure while this code is active. The default value is 50 kPa (7.25 psi).
The engine will be derated.
102-4 Engine Intake Manifold #1 Pressure : Voltage Below Normal The ECM detects the following conditions:
The signal voltage from the intake manifold air pressure sensor is less than 0.2 VDC for at least 0.5 seconds.
The battery voltage is at least 10 VDC.
The ECM will use the default value for the intake manifold air pressure while this code is active. The default value is 50 kPa (7.25 psi).
The engine will be derated.
108-3 Barometric Pressure : Voltage Above Normal The ECM detects that the signal voltage from the barometric pressure sensor is greater than 4.9 VDC for at least 0.8 seconds. The barometric pressure sensor is contained within the ECM.
The ECM will use the default value for the barometric pressure while this code is active. The default value is 97 kPa (14 psi).
108-4 Barometric Pressure : Voltage Below Normal The ECM detects that the signal voltage from the barometric pressure sensor is less than 0.2 VDC for at least 0.8 seconds. The barometric pressure sensor is contained within the ECM.
The ECM will use the default value for the barometric pressure while this code is active. The default value is 97 kPa (14 psi).
157-3 Engine Injector Metering Rail #1 Pressure : Voltage Above Normal The ECM detects that the signal voltage from the fuel rail pressure sensor is greater than 4.9 VDC for at least 0.2 seconds.
The engine will be derated. The engine may shut down.
157-4 Engine Injector Metering Rail #1 Pressure : Voltage Below Normal The ECM detects that the signal voltage from the intake manifold air pressure sensor is less than 0.34 VDC for at least 0.2 seconds.
The engine will be derated. The engine may shut down.
157-10 Engine Injector Metering Rail #1 Pressure : Abnormal Rate of Change The ECM detects the following conditions:
An implausible rate of change in the signal from the fuel rail pressure sensor.
The condition has been detected five times within 3 seconds.
There are no other active diagnostic codes for the fuel rail pressure sensor.
This diagnostic code indicates an intermittent connection in the circuit for the fuel rail pressure sensor.
3251-3 Particulate Trap Differential Pressure : Voltage Above Normal The ECM detects that the signal voltage from the Diesel Particulate Filter (DPF) differential pressure sensor is greater than 4.87 VDC for at least 1.8 seconds.
The ECM will use the default value for the DPF differential pressure while this code is active. The default value is −0.1 kPa (−0.01 psi).
If equipped, the warning lamp will flash. The engine will be derated.
3251-4 Particulate Trap Differential Pressure : Voltage Below Normal The ECM detects that the signal voltage from the DPF differential pressure sensor is less than 0.2 VDC for 1.8 seconds.
The ECM will use the default value for the DPF differential pressure while this code is active. The default value is −0.1 kPa (−0.01 psi).
If equipped, the warning lamp will flash. The engine will be derated.
102-20 Engine Intake Manifold #1 Pressure : Data Drifted High The ECM detects the following conditions:
The intake manifold pressure is greater than 7 kPa (1 psi) above the barometric pressure for at least 5 seconds.
The engine is not cranking.
The battery voltage is greater than 10 VDC.
The engine will be derated.
102-21 Engine Intake Manifold #1 Pressure : Data Drifted Low The ECM detects the following conditions:
The intake manifold pressure is greater than 7 kPa (1 psi) below the barometric pressure for at least 5 seconds.
The engine is not cranking.
The battery voltage is greater than 10 VDC.
The engine will be derated. The following conditions must exist before any of the above codes will become active:
There are no active 3509 codes.
There are no active 168 codes.The following background information is related to this procedure:The 5 VDC sensor supply provides power to all 5 VDC sensors. The ECM supplies 5.0 0.1 VDC to each of the pressure sensor connectors. The sensor supply is output short circuit protected. A short circuit to the battery will not damage the circuit inside the ECM.Pull-up VoltageThe ECM continuously outputs a pull-up voltage on the circuit for the sensor signal wire. This pull-up voltage is required for correct sensor operation and diagnostics.When the sensor is disconnected, this pull-up voltage can be measured at the harness connector for the sensor.
Illustration 1 g06551483
Schematic diagram for the engine pressure sensors
Note: The DPF differential pressure sensor is installed on engines equipped with a wall flow DPF only.
Illustration 2 g03623078
Typical view of the pin locations on the P2 connector for the pressure sensors
(10) Intake manifold air pressure sensor 5 VDC supply
(11) Fuel rail pressure sensor 5 VDC supply
(25) Intake manifold air pressure sensor ground
(26) Fuel rail pressure sensor ground
(40) Intake manifold air pressure sensor signal
(41) Fuel rail pressure sensor signal
Illustration 3 g02293895
Typical view of the pin locations on the P1 connector for the DPF differential pressure sensor
(14) DPF differential sensor 5 VDC supply
(36) DPF differential pressure sensor ground
(58) DPF differential pressure sensor signal
Table 2
Troubleshooting Test Steps Values Results
1. Inspect Electrical Connectors and Wiring
A. Thoroughly inspect the terminal connections on the P2/J2 and P1/J1 ECM connectors. Refer to Troubleshooting, "Electrical Connectors - Inspect".
B. Thoroughly inspect the connectors for the engine pressure sensors. Refer to Troubleshooting, "Electrical Connectors - Inspect".
C. Perform a 30 N (6.7 lb) pull test on each of the wires in the ECM connector and the sensor connectors that are associated with the exhaust gas pressure sensor.
D. Check the harness for abrasions and for pinch points from the exhaust gas pressure sensor back to the ECM.
Damaged wire or connector
Result: A damaged wire or damaged connector was found.
Repair the damaged wire or the damaged connector. Replace
Parts mark Honda:
87124-ZV3-620
87124-ZV3-620 MARK, EMERGENCY SWITCH (Honda Code 3705340). INDICATION (ENGLISH)
BF15A1 LA, BF15A1 LAS, BF15A1 SA, BF15A1 SAS, BF15A1 XAS, BF15A2 LA, BF15A2 LAS, BF15A2 SA, BF15A2 SAS, BF15A2 XAS, BF15AM LA, BF15AM LAS, BF15AM SA, BF15AM SAS, BF15AM XAS, BF15AW LA, BF15AW LAS, BF15AW SA, BF15AW SAS, BF15AW XAS, BF15AX LA, BF15AX
87532-ZV3-620
87532-ZV3-620 MARK, THROTTLE (ENGLISH) (Honda Code 3705464).
BF25A1 LHA, BF25A1 LHSA, BF25A1 SHA, BF25A1 SHSA, BF25A2 LHA, BF25A2 LHSA, BF25A2 SHA, BF25A2 SHSA, BF25A3 LHA, BF25A3 LHSA, BF25A3 SHA, BF25A3 SHSA, BF25AW LHA, BF25AW LHSA, BF25AW SHA, BF25AW SHSA, BF25AX LHA, BF25AX LHSA, BF25AX SHA, BF25AX SHSA,
87702-ZV5-000
87702-ZV5-000 MARK, FAST IDLE (Honda Code 3705589).
BF15A1 LA, BF15A1 LAS, BF15A1 SA, BF15A1 SAS, BF15A1 XAS, BF15A2 LA, BF15A2 LAS, BF15A2 SA, BF15A2 SAS, BF15A2 XAS, BF25A1 LRSA, BF25A1 SRSA, BF25A1 XRSA, BF25A2 LRSA, BF25A2 SRSA, BF25A2 XRSA, BF25A3 LRSA, BF25A3 SRSA, BF25A3 XRSA, BF25AW LRSA, BF25
87125-ZW1-700
87125-ZW1-700 MARK, START (E) (Honda Code 4900502).
BF25D4 LHA, BF25D4 LHTA, BF25D4 LRGA, BF25D4 LRTA, BF25D4 SHA, BF25D4 SHGA, BF25D4 SRGA, BF25D4 SRTA, BF25D5 LHTA, BF25D5 LRGA, BF25D5 LRTA, BF25D5 SHGA, BF25D5 SRGA, BF25D5 SRTA, BF25D6 LHTA, BF25D6 LRGA, BF25D6 LRTA, BF25D6 SHGA, BF25D6 SRGA, BF25D
87301-ZW1-000
87301-ZW1-000 MARK, FR. EMBLEM (Honda Code 4900569).
BF90A1 LHTA, BF90A1 LRTA, BF90A1 XRTA, BF90AT LHTA, BF90AT LRTA, BF90AT XRTA, BF90AW LHTA, BF90AW LRTA, BF90AW XRTA, BF90AX LHTA, BF90AX LRTA, BF90AX XRTA, BF90AY LHTA, BF90AY LRTA, BF90AY XRTA
87120-ZW5-000
87120-ZW5-000 MARK, SWITCH PANEL (Honda Code 5893235).
BF115A1 LA, BF115A1 LCA, BF115A1 XA, BF115A1 XCA, BF115A2 LA, BF115A2 LCA, BF115A2 XA, BF115A2 XCA, BF115A3 LA, BF115A3 LCA, BF115A3 XA, BF115A3 XCA, BF115A4 LA, BF115A4 LCA, BF115A4 XA, BF115A4 XCA, BF115A5 LA, BF115A5 LCA, BF115A5 XA, BF115A5 XCA,
87117-ZW5-000
87117-ZW5-000 MARK, FUSE (10A) (Honda Code 5893193).
BF115A1 LA, BF115A1 LCA, BF115A1 XA, BF115A1 XCA, BF115A2 LA, BF115A2 LCA, BF115A2 XA, BF115A2 XCA, BF115A3 LA, BF115A3 LCA, BF115A3 XA, BF115A3 XCA, BF115A4 LA, BF115A4 LCA, BF115A4 XA, BF115A4 XCA, BF115A5 LA, BF115A5 LCA, BF115A5 XA, BF115A5 XCA,
87118-ZW5-000
87118-ZW5-000 MARK, FUSE (90A) (Honda Code 5893201).
BF115A1 LA, BF115A1 LCA, BF115A1 XA, BF115A1 XCA, BF115A2 LA, BF115A2 LCA, BF115A2 XA, BF115A2 XCA, BF115A3 LA, BF115A3 LCA, BF115A3 XA, BF115A3 XCA, BF115A4 LA, BF115A4 LCA, BF115A4 XA, BF115A4 XCA, BF115A5 LA, BF115A5 LCA, BF115A5 XA, BF115A5 XCA,