87152-ZV7-000 LABEL, SPECIFICATION (Honda Code 4433728). Honda
BF25A1 LHA, BF25A1 LHSA, BF25A1 LRSA, BF25A1 SHA, BF25A1 SHSA, BF25A1 SRSA, BF25A1 XRSA, BF25A2 LHA, BF25A2 LHSA, BF25A2 LRSA, BF25A2 SHA, BF25A2 SHSA, BF25A2 SRSA, BF25A2 XRSA, BF25A3 LHA, BF25A3 LHSA, BF25A3 LRSA, BF25A3 SHA, BF25A3 SHSA, BF25A3 SR
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Compatible models:
BF25A1 LHA
BF25A1 LHSA
BF25A1 LRSA
BF25A1 SHA
BF25A1 SHSA
BF25A1 SRSA
BF25A1 XRSA
BF25A2 LHA
BF25A2 LHSA
BF25A2 LRSA
BF25A2 SHA
BF25A2 SHSA
BF25A2 SRSA
BF25A2 XRSA
BF25A3 LHA
BF25A3 LHSA
BF25A3 LRSA
BF25A3 SHA
BF25A3 SHSA
BF25A3 SRSA
BF25A3 XRSA
BF25AW LHA
BF25AW LHSA
BF25AW LRSA
BF25AW SHA
BF25AW SHSA
BF25AW SRSA
BF25AW XRSA
BF25AX LHA
BF25AX LHSA
BF25AX LRSA
BF25AX SHA
BF25AX SHSA
BF25AX SRSA
BF25AX XRSA
BF25AY LHA
BF25AY LHSA
BF25AY LRSA
BF25AY SHA
BF25AY SHSA
BF25AY SRSA
BF25AY XRSA
Honda
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Information:
Table 1
Diagnostic Codes Table    
CDL Code     J1939 Code     Code Description     Comments    
2950-5     1901-5     Engine Intake Valve Actuator #1 : Current Below Normal     The ECM monitors the current flow through the circuit for each actuator. If low current flow (open circuit) is detected, a -5 diagnostic code is activated. The ECM continues to try to activate the actuator. If high current flow (short circuit) is detected, a -6 diagnostic trouble code is activated. The ECM will disable the solenoid circuit in order to prevent damage from the high current flow. However, the ECM will periodically try to activate the actuator. If the short circuit remains, this sequence of events will be repeated until the problem is corrected.
The ECM takes the following actions while the code is active:
Engine power is derated by 10 percent.
The amber warning lamp is illuminated.
These codes are caused by a wiring problem. The wiring problem can be on the outside of the engine or underneath the valve cover.    
2950-6     1901-6     Engine Intake Valve Actuator #1 : Current Above Normal    
2951-5     1902-5     Engine Intake Valve Actuator #2 : Current Below Normal    
2951-6     1902-6     Engine Intake Valve Actuator #2 : Current Above Normal    
2952-5     1903-5     Engine Intake Valve Actuator #3 : Current Below Normal    
2952-6     1903-6     Engine Intake Valve Actuator #3 : Current Above Normal    
2953-5     1904-5     Engine Intake Valve Actuator #4 : Current Below Normal    
2953-6     1904-6     Engine Intake Valve Actuator #4 : Current Above Normal    
2954-5     1905-5     Engine Intake Valve Actuator #5 : Current Below Normal    
2954-6     1905-6     Engine Intake Valve Actuator #5 : Current Above Normal    
2955-5     1906-5     Engine Intake Valve Actuator #6 : Current Below Normal    
2955-6     1906-6     Engine Intake Valve Actuator #6 : Current Above Normal    System Operation During Engine OperationThe intake valve actuation system does not operate until the engine has reached normal operating temperature. Also, the engine must meet certain operating conditions in order to activate the intake valve actuation system.There are three housings under the valve cover. Each housing contains two actuators. There is a solenoid for each actuator. The ECM sends a command to a solenoid when the ECM requires the intake valves for a cylinder to remain open. The ECM monitors the current flow through the circuit for the solenoid. The ECM activates a diagnostic code if the current flow is below normal or above normal."Intake Valve Actuator Solenoid Test"This test is available on the Caterpillar Electronic Technician (ET). The test helps diagnose problems with the circuits for the solenoids. The following conditions must be met before the test will function:
Engine speed must be zero.
Vehicle speed must be zero.
The transmission gearshift lever must be in neutral.
Illustration 1 g02300033
Schematic for the C15 engine
Illustration 2 g01185728
P2 terminals for the intake valve actuators (18) Actuator 4 return (21) Actuator 5 return (22) Actuator 2 return (31) Actuator 3 return (42) Actuator 6 return (50) Actuator 1 return (58) Actuator 5 & 6 supply (67) Actuator 3 & 4 supply (68) Actuator 1 & 2 supply
Table 2
Troubleshooting Test Steps     Values     Results    
1. Inspect the Electrical Connectors and the Wiring
A. Check the engine harness between the P2 connector and the connectors near the grommets. Look for the following problems:
1. Moisture
2. Loose connectors or damaged connectors
3.Damage that is caused by excessive heat
4. Damage that is caused by chafing
5. Improper routing of wiring
6. Damaged insulation
B.Inspect the connectors near the grommets. The connectors must be clean and dry.
C. Perform a
45 N (10 lb) pull test on each of the wires in the connectors. This test verifies that the wire is properly crimped to the terminal and that the terminal is properly inserted into the connector.
   
Moisture
Damage to connectors    
Result: The wiring is OK.
If you are troubleshooting a -5 code, proceed to Test Step 2.
If you are troubleshooting a -6 code, proceed to Test Step 4.
Result: The wiring is not OK.
Repair the wiring problem. Replace parts, if necessary. Perform the "Intake Valve Actuator Solenoid Test".
If all of the actuators pass the test, troubleshooting is complete. Return the unit to service.
   
2. Short the
Parts label Honda:
87535-ZV5-620
87535-ZV5-620 LABEL, STORING CAUTION (Honda Code 3705480). (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
87531-ZV7-000
87531-ZV7-000 LABEL, OIL CAUTION (ENGLISH) (Honda Code 4433744).
BF25A1 LHA, BF25A1 LHSA, BF25A1 LRSA, BF25A1 SHA, BF25A1 SHSA, BF25A1 SRSA, BF25A1 XRSA, BF25A2 LHA, BF25A2 LHSA, BF25A2 LRSA, BF25A2 SHA, BF25A2 SHSA, BF25A2 SRSA, BF25A2 XRSA, BF25A3 LHA, BF25A3 LHSA, BF25A3 LRSA, BF25A3 SHA, BF25A3 SHSA, BF25A3 SR