OBD II Fault Code P1043 :

Description of Fault code P1043

NO.3 INJECTOR CIRCUIT SHORTED

Possible failuer P1043

• Injector No.3 low side harness (Short to power, short to ground)
• Injector No.3 harness (Between high side and low side short)
• Injector No.3 (Internal short)
• Engine Control Module (ECM) internal failure (Internal short)

Diagnostic Procedure using AutoHex II Scan Tool

• When the injector drives, the abnormal pattern of the voltage and the current flow is detected by the injector drive LSI (the Engine Control Module (ECM) internal) for a set period of time.

Test Conditions using AutoHex tester

• Engine running.
• Once each Cam Revolution

Clear Fault codes Conditions

• When the injector drives, the abnormal pattern of the voltage and the current flow is detected by the injector drive LSI (the Engine Control Module (ECM) internal) for a set period of time.

MIL Status

• Check Engine Light 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

More Fault codes: