Honda Cars 2007-2008

1.3L L4 VIN - Auto CVT 1

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1.3L L4 VIN - Auto CVT

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 15



A Short in the Evaporator Temperature Sensor Circuit

Possible Causes:



Check for damaged wires or connections in the evaporator temperature sensor circuit
 
Repair a short to body ground in the wire between the HVAC control unit and the evaporator temperature sensor
 
Evaporator temperature sensor
 
HVAC control unit
 

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: P0101



Mass Airflow (MAF) Sensor Circuit Range/Performance Problem

Possible Causes:



Dirty air cleaner element
 
Faulty PCV valve or hose
 
Faulty EVAP canister purge valve
 
Vacuum leaks at the Throttle body, Intake manifold, Brake booster
 
Cracked or loose Air Intake Duct
 
Poor connections or loose terminals at the MAF sensor/IAT sensor and the PCM
 
Faulty MAF sensor/IAT sensor
 
Faulty PCM
 

Trouble Code: P0102



Mass Air Flow (MAF) Sensor Circuit Low Voltage

Possible Causes:



Poor connections or loose terminals at the MAF sensor/IAT sensor and the PCM
 
Blown fuse
 
"Open" or "Short" in the wire between the MAF sensor and the fuse
 
"Open" or "Short" in the wire between the PCM and the MAF sensor
 
Faulty MAF sensor/IAT sensor
 
PCM may need to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P0103



Mass Airflow (MAF) Sensor Circuit High Voltage

Possible Causes:



Poor connections or loose terminals at the MAF sensor/IAT sensor and the PCM
 
"Short" in the wire between the PCM and the MAF sensor
 
Faulty MAF sensor/IAT sensor
 
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
 

Trouble Code: P0303



Cylinder 3 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: P0304



Cylinder 4 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: P0522



Rocker Arm Oil Pressure Sensor A Low Voltage

Possible Causes:



Poor connections or loose terminals at rocker arm oil pressure sensor A and the PCM
 
"Open" or "Short" circuit between the PCM and rocker arm oil pressure sensor A
 
Faulty rocker arm oil pressure sensor A
 
PCM may need to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P0523



Rocker Arm Oil Pressure Sensor A High Voltage

Possible Causes:



Poor connections or loose terminals at rocker arm oil pressure sensor A and the PCM
 
"Open" circuit between the PCM and rocker arm oil pressure sensor A
 
Faulty rocker arm oil pressure sensor A
 
PCM may need to be updated with the latest software
 
Faulty PCM
 

Trouble Code: P0562/15



Motor Control Module (MCM) Power Source Circuit Unexpected Voltage (HYBRID MODEL)

Possible Causes:



Blown back up (10 A) fuse
 
Poor connections or loose terminals at the BACK UP (10 A) fuse and the MCM
 
"Open" or "Short" to GND in the signal wire
 
MCM may need to be updated with the latest software
 
Faulty MCM
 

Trouble Code: P0602/91



Motor Control Module (MCM) Programming Error

Possible Causes:



Faulty MCM
 

Trouble Code: P0603



ECM/PCM Keep Alive Memory (KAM) Error

Possible Causes:



ECM/PCM needs to be updated with the latest software
 
Faulty ECM/PCM
 

Trouble Code: P0603/60



Motor Control Module (MCM) Internal Circuit KAM Error (HYBRID MODELS)

Possible Causes:



Poor connections or loose terminals at the MCM
 
MCM may need to be updated with the latest software
 
Faulty MCM
 

Trouble Code: P0630



VIN Not Programmed or Mismatch

Possible Causes:



ECM/PCM needs to be updated with the latest software
 
Faulty ECM/PCM
 

Trouble Code: P0A1F/112



F-CAN Malfunction (BCM Module-MCM) (HYBRID MODELS)

Possible Causes:



Poor connections or loose terminals at the BCM module and the MCM
 
"Open" circuit between the BCM module and the MCM
 
BCM may need to be updated with the latest software
 
Faulty BCM
 

Trouble Code: P0A3C/39



Motor Control Module (MCM) Overheating (HYBRID MODELS)

Possible Causes:



Blockage at the IPU module fan inlet duct
 
Poor connections or loose terminals at the MCM and the IPU module fan
 
Faulty IPU module fan
 
MCM may need to be updated with the latest software
 
Faulty MCM
 

Trouble Code: P0A3F/89



Motor Rotor Position Sensor Circuit Malfunction (HYBRID MODELS)

Possible Causes:



Poor connections or loose terminals at the motor rotor position sensor and the MCM
 
"Open" or "Short" circuit between the motor rotor position sensor and the MCM
 
Faulty motor rotor position sensor
 
MCM may need to be updated with the latest software
 
Faulty MCM
 

Trouble Code: P0A5E/24



U Phase Motor Current Sensor Circuit Low Voltage (HYBRID MODELS)

Possible Causes:



Poor connections or loose terminals at the U phase motor current sensor and the MCM
 
"Open" or "Short" circuit between the U phase motor current sensor and the MCM
 
Faulty U phase motor current sensor
 
MCM may need to be updated with the latest software
 
Faulty MCM
 

Trouble Code: P0A5F/25



U Phase Motor Current Sensor Circuit High Voltage (HYBRID MODELS)

Possible Causes:



Poor connections or loose terminals at the U phase motor current sensor and the MCM
 
"Open" circuit between the U phase motor current sensor and the MCM
 
Faulty U phase motor current sensor
 
MCM may need to be updated with the latest software
 
Faulty MCM
 

Trouble Code: P0A61/26



V Phase Motor Current Sensor Circuit Low Voltage (HYBRID MODELS)

Possible Causes:



Poor connections or loose terminals at the V phase motor current sensor and the MCM
 
"Open" or "Short" circuit the V phase motor current sensor and the MCM
 
Faulty V phase motor current sensor
 
MCM may need to be updated with the latest software
 
Faulty MCM
 

Trouble Code: P0A62/27



V Phase Motor Current Sensor Circuit High Voltage (HYBRID MODELS)

Possible Causes:



Poor connections or loose terminals at the V phase motor current sensor and the MCM
 
"Open" circuit between the V phase motor current sensor and the MCM
 
Faulty V phase motor current sensor
 
MCM may need to be updated with the latest software
 
Faulty MCM
 

Trouble Code: P0A64/28



W Phase Motor Current Sensor Circuit Low Voltage (HYBRID MODELS)

Possible Causes:



Poor connections or loose terminals at the W phase motor current sensor and the MCM
 
"Open" or "Short" circuit between the W phase motor current sensor and the MCM
 



Faulty W phase motor current sensor
 
Faulty U phase motor current sensor
 
MCM may need to be updated with the latest software
 
Faulty MCM
 

Trouble Code: P0A65/29



W Phase Motor Current Sensor Circuit High Voltage (HYBRID MODELS)

Possible Causes:



Poor connections or loose terminals at the W phase motor current sensor and the MCM
 
"Open" circuit between the W phase motor current sensor and the MCM
 
Faulty W phase motor current sensor
 
MCM may need to be updated with the latest software
 
Faulty MCM
 

Trouble Code: P0A78/32



Motor Control Module (MCM) Internal Circuit Malfunction (HYBRID MODELS)

Possible Causes:



Poor connections or loose terminals at the MCM
 
MCM may need to be updated with the latest software
 
Faulty MCM
 

 
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