OBD II Fault Code P1F34 :

Description of Fault code P1F34

Battery Line Open Fault

Possible failuer P1F34

• BM Switch OFF (Wrong Operation)
• BM Contactor failure
• FCVSCM failure
• BMCM failure
• APIMI Module failure
• DMPI Module failure
• BVCM failure
• Disconnection of Cable connecting BM Contactor and BVCM (+,-)
• Disconnection of Cable connecting BM Contactor and APIMI (Startup Line)
• Disconnection of Cable connecting BMCM and Start Up Contactor
• Disconnection of Cable connecting FCVSCM and High Voltage Contactor (+)
• Disconnection of Cable connecting FCVSCM and High Voltage Contactor (-)
• Disconnection of Power Line between IGP1B RLY and FCVSCM"

Diagnostic Procedure using AutoHex II Scan Tool

• The rear average wheel speed > 15km/h and vehicle speed on the meter<1km/h
• If the rear average wheel speed > 15km/h and VSP<1km/h lasts for 0.3 seconds, the malfunction is determined.

Test Conditions using AutoHex tester

• Vehicle speed / wheel speed is normal
• Brake is out of action
• The automatic brake is out of action

Clear Fault codes Conditions

• The rear average wheel speed > 15km/h and vehicle speed on the meter<1km/h
• If the rear average wheel speed > 15km/h and VSP<1km/h lasts for 0.3 seconds, the malfunction is determined.

MIL Status

• Glow ON

Note:

• AutoHex II is a professional Auto diagnostic.
• This fault code is a GERENRIC fault code, some cars may change the meaning of this fault code.
  To get the accurate fault code description you may use AutoHex II

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