Honda Cars 2007-2008

2.2L L4 VIN - Std 1

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2.2L L4 VIN - Std

Trouble Code: HVAC 1



An Open in the Air Mix Control Motor Circuit

Possible Causes:



Check for loose wires or poor connections at the HVAC control unit
 
Repair an open in the wire(s) between the HVAC control unit and the air mix control motor
 

Trouble Code: HVAC 10



An Open or Short in the Mode Control Motor Circuit

Possible Causes:



Check for loose wires or poor connections on the mode control motorcircuit
 
Repair a short to power in the wire(s) between the HVAC control unit and the mode control motor
 
HVAC control unit
 

Trouble Code: HVAC 11



A Problem in the Mode Control Linkage, Doors, or Motor Circuit

Possible Causes:



Repair a short to body ground in the wire(s) between the HVAC control unit and the mode control motor
 
HVAC control unit
 

Trouble Code: HVAC 12



A Problem in the Blower Motor Circuit

Possible Causes:



Check for loose wires or poor connections on the blower motor circuit.
 
Check for an open in the wire between the power transistor and body ground.
 
Short to body ground in the wire(s) between the HVAC control unit and the power transistor
 
Power transistor
 
Blower motor relay
 

Trouble Code: HVAC 13



HVAC Control Unit Internal Error

Possible Causes:



Poor connections at the HVAC control unit
 
HVAC control unit
 

Trouble Code: HVAC 14



An Open in the Evaporator Temperature Sensor Circuit

Possible Causes:



Check for loose wires or poor connections on the evaporator temperature sensor circuit
 
Loose wires or poor connections at the HVAC control unit
 
HVAC control unit
 
Evaporator temperature sensor
 

Trouble Code: HVAC 2



A Short in the Air Mix Control Motor Circuit

Possible Causes:



Repair a short to power in the wire(s) between the HVAC control unit and the air mix control motor.
 
HVAC control unit
 

Trouble Code: HVAC 3



A Problem in the Air Mix Control Linkage, Door, or Motor Circuit

Possible Causes:



Repair a short to body ground in the wire(s) between the HVAC control unit and the air mix control motor
 
Check for loose wires or poor connections on the air mix control motor circuit
 
HVAC control unit
 

Trouble Code: HVAC 4



An Open in the Mode Control Motor Circuit

Possible Causes:



Check for loose wires or poor connections on the mode control motorcircuit.
 
Check for loose wires or poor connections at the HVAC control unit
 
Repair an open in the wire(s) between the HVAC control unit and the mode control motor
 
HVAC control unit
 

Trouble Code: HVAC 5



A Short in the Mode Control Motor Circuit

Possible Causes:



Intermittent failure. Check for loose wires or poor connections on the mode control motor circuit
 
Repair a short to body ground in the wire(s) between the HVAC control unit and the mode control motor
 
HVAC control unit
 

Trouble Code: HVAC 6



A Problem in the Mode Control Linkage, Door, or Motor Circuit

Possible Causes:



Intermittent failure. Check for loose wires or poor connections on the mode control motorcircuit
 
Repair a short to body ground in the wire(s) between the HVAC control unit and the mode control motor
 
HVAC control unit
 

Trouble Code: HVAC 7



An Open in the Recirculation Control Motor Circuit

Possible Causes:



Check for loose wires or poor connections at the HVAC control unit
 
Repair an open in the wire(s) between the HVAC control unit and the recirculation control motor
 
HVAC control unit
 

Trouble Code: HVAC 8



A Short in the Recirculation Control Motor Circuit

Possible Causes:



Repair a short to power in the wire(s) between the HVAC control unit and the recirculation control motor
 
Check for loose wires or poor connections
 
Repair a short to power before replacing the HVAC control unit
 
HVAC control unit
 

Trouble Code: HVAC 9



A Problem in the Recirculation Control Linkage, Door, or Motor Circuit

Possible Causes:



Repair a short to body ground in the wire(s) between the HVAC control unit and the recirculation control motor
 
HVAC control unit
 

Trouble Code: P0107



Manifold Absolute Pressure (MAP) Sensor Circuit Low Voltage (PGM-FI System)

Possible Causes:



Poor connections or loose terminals at the MAP sensor and the PCM
 
"Short" in the wire between the PCM and the MAP sensor
 
"Open" in the wire between the PCM and the MAP sensor
 
Faulty MAP sensor
 
Faulty PCM
 

Trouble Code: P0108



Manifold Absolute Pressure (MAP) Sensor Circuit High Voltage

Possible Causes:



Poor connections or loose wires at the MAP sensor and at the PCM
 
"Open" circuit between the MAP sensor and the PCM
 
Faulty MAP sensor
 
PCM needs to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P0111



Intake Air Temperature (IAT) Sensor Circuit Range/Performance

Possible Causes:



Poor connections or loose terminals at ECT sensor 1 and 2 and the MAF sensor/IAT sensor
 
Poor connections or loose terminals at the IAT sensor and the PCM
 
Faulty MAF sensor/IAT sensor
 
Faulty PCM
 

Trouble Code: P0112



Intake Air Temperature (IAT) Sensor Circuit Low Voltage

Possible Causes:



Poor connections or loose wires at the IAT sensor and at the PCM
 
"Short" circuit between the IAT sensor and the PCM
 
Faulty IAT sensor
 
Faulty PCM
 

Trouble Code: P0113



Intake Air Temperature (IAT) Sensor Circuit High Voltage

Possible Causes:



Poor connections or loose wires at the IAT sensor and at the PCM
 
"Open" circuit between the PCM and the IAT sensor
 
Faulty IAT sensor
 
Faulty PCM
 

Trouble Code: P0116



Engine Coolant Temperature (ECT) Sensor 1 Circuit Range/Performance Problem

Possible Causes:



Poor connections or loose terminals at ECT sensor 1 and the PCM
 
Faulty Replace ECT sensor (1)
 
Faulty PCM
 

Trouble Code: P0117



Engine Coolant Temperature (ECT) Sensor Circuit Low Voltage

Possible Causes:



Poor connections or loose wires at the ECT sensor and at the PCM
 
Poor ground
 
"Short" circuit between the ECT sensor and the PCM
 
Faulty ECT sensor
 
Faulty PCM
 

Trouble Code: P0118



Engine Coolant Temperature (ECT) Sensor 1 Circuit High Voltage

Possible Causes:



Poor connections or loose terminals at ECT sensor 1 and the PCM
 
"Open" in the wire between the PCM and ECT sensor 1
 
"Open" in the wire between the PCM and ECT sensor 1
 
Update the PCM if it does not have the latest software,
 
Faulty ECT sensor (1)
 
Faulty PCM
 

Trouble Code: P0122



Throttle Position (TP) Sensor A Circuit Low Voltage

Possible Causes:



Poor connections or loose terminals at the throttle body and the PCM
 
"Open" or "Short" circuit between the throttle body and the PCM
 
Faulty throttle body
 
PCM may need to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P0123



Throttle Position (TP) Sensor A Circuit High Voltage

Possible Causes:



Poor connections or loose terminals at the throttle body and the PCM
 
"Open" in the wire between the throttle body and the PCM
 
"Open" in the wire between the throttle body and the PCM
 
Faulty throttle body
 
PCM may need to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P0125



Engine Coolant Temperature (ECT) Sensor 1 Malfunction/Slow Response

Possible Causes:



Poor connections or loose terminals at ECT sensor 1, ECT sensor 2, and the PCM
 
Low coolant level
 
Faulty thermostat
 
Faulty ECT sensor (1)
 
Faulty PCM
 

Trouble Code: P0128



Cooling System Malfunction

Possible Causes:



Radiator fan keep running, check the radiator fan circuit and the radiator fan relay
 
Faulty Thermostat
 
Low coolant level, and/or leaks
 
Poor connections or loose terminals at ECT sensor 1, ECT sensor 2, and the PCM
 
PCM may need to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P0133



A/F Sensor (Sensor 1) Malfunction/Slow Response

Possible Causes:



Poor connections or loose terminals at the A/F sensor (Sensor 1) and the ECM/PCM
 
Faulty A/F sensor (Sensor 1)
 

Trouble Code: P0134



Air/Fuel Ratio (A/F) Sensor (Sensor 1) Heater System Malfunction

Possible Causes:



Poor connections or loose terminals at the A/F sensor (Sensor 1), the A/F sensor relay, and the ECM/PCM
 
"Open" or "Short" between the A/F sensor (Sensor 1), the A/F sensor relay, and/or the ECM/PCM
 
Faulty A/F sensor relay
 
Faulty A/F sensor (Sensor 1)
 

Trouble Code: P0135



Air/Fuel Ratio (A/F) Sensor (Sensor 1) Heater Circuit Malfunction

Possible Causes:



Blown fuse
 
Poor connections or loose wires at the the A/F sensor (Sensor 1), the relay, and the ECM/PCM
 
"Open" or "Short" circuit between the A/F sensor (Sensor 1), A/F sensor relay and/or the ECM/PCM
 
Faulty A/F sensor relay
 
Faulty A/F sensor (Sensor 1)
 
Faulty ECM/PCM
 

Trouble Code: P0137



Secondary HO2S (Sensor 2) Circuit Low Voltage

Possible Causes:



Poor connections or loose wires at the secondary HO2S (Sensor 2) and the PCM
 
"Short" circuit between the secondary HO2S (Sensor 2) and the PCM
 
Faulty secondary HO2S (Sensor 2)
 
Faulty PCM
 

Trouble Code: P0138



Secondary HO2S (Sensor 2) Circuit High Voltage

Possible Causes:



Poor connections or loose wires at the secondary HO2S (Sensor 2) and at the PCM
 
"Open" circuit between the PCM and the secondary HO2S (Sensor 2)
 
Faulty secondary HO2S (Sensor 2)
 
Faulty PCM
 

Trouble Code: P0139



Secondary HO2S (Sensor 2) Slow Response

Possible Causes:



Poor connections or loose terminals at secondary HO2S (Sensor 2) and the PCM
 
Faulty secondary HO2S (Sensor 2)
 

Trouble Code: P0141



Secondary HO2S (Sensor 2) Heater Circuit Malfunction

Possible Causes:



Poor connections or loose wires at the primary HO2S (Sensor 1) and the PCM
 
"Open" or "Short" circuit between the primary HO2S (Sensor 1) and the PCM
 
Faulty primary HO2S (Sensor 1)
 
Faulty PCM
 

Trouble Code: P0171



Fuel System Too Lean

Possible Causes:



Vacuum leaks
 
Improper valve clearances
 
Faulty injectors
 
Clogged fuel filter
 
Faulty fuel pump or regulator
 
Faulty EVAP canister purge valve
 
Faulty A/F sensor (Sensor 1)
 

Trouble Code: P0172



Fuel System Too Rich

Possible Causes:



Improper fuel pressure
 
Improper valve clearances
 
Leaking injectors
 
MAF sensor/IAT sensor
 
Faulty EVAP canister purge valve
 
Faulty A/F sensor (Sensor 1)
 

Trouble Code: P0222



Throttle Position (TP) Sensor B Circuit Low Voltage

Possible Causes:



Poor connections or loose terminals at the throttle body and the PCM
 
"Open" or "Short" circuit between the throttle body and the PCM
 
Faulty throttle body
 
PCM may need to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P0223



Throttle Position (TP) Sensor B Circuit High Voltage

Possible Causes:



Poor connections or loose terminals at the throttle body and the PCM
 
"Open" or "Short" between the throttle body and the PCM
 
PCM may need to be updated with the latest software
 
Faulty throttle body
 
Faulty PCM
 

Trouble Code: P0300



Random Misfire Detected

Possible Causes:



Poor fuel quality
 
Clogged fuel filter
 
Faulty spark plugs
 
Faulty Fuel pump and/or regulator
 
Poor connections or loose terminals at the ignition coil, the injector, and the PCM
 
Check the CKP pattern learn procedure
 

Trouble Code: P0301



Cylinder 1 Misfire Detected

Possible Causes:



Faulty spark plug
 
Faulty ignition coil
 
Faulty fuel injector
 
Faulty fuel pump and/or regulator
 
Poor connections or loose terminals at the ignition coil, the injector, and the PCM
 
"Open" or "Short" circuit between the ignition coil and the under-hood fuse/relay box
 
"Open" or "Short" circuit between the PCM and the ignition coil
 
Internal engine problem
 
Incorrect PCM idle learn procedure
 
Incorrect CKP pattern learn procedure
 
MAF sensor
 

Trouble Code: P0302



Cylinder 2 Misfire Detected

Possible Causes:



Faulty spark plug
 
Faulty ignition coil
 
Faulty fuel injector
 
Faulty fuel pump and/or regulator
 
Poor connections or loose terminals at the ignition coil, the injector, and the PCM
 
"Open" or "Short" circuit between the ignition coil and the under-hood fuse/relay box
 
"Open" or "Short" circuit between the PCM and the ignition coil
 
Internal engine problem
 
Incorrect PCM idle learn procedure
 
Incorrect CKP pattern learn procedure
 
MAF sensor
 

 
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