OBD II Fault Code P16A5 :

Description of Fault code P16A5

ENGINE CONTROL MODULE (ECM) INTERNAL CIRCUIT MALFUNCTION

Possible failuer P16A5

• Engine Control Module (ECM) internal injector drive LSI

Diagnostic Procedure using AutoHex II Scan Tool

• When the status resistor of the injector drive LSI is monitored on the CPU, the internal reset, the clock failure and the power voltage is abnormal.
• The initialization of resistor isn't executed normally.
• The operation mode isn't normal.
• The serial communication function isn't normal.

Test Conditions using AutoHex tester

• Once each Cam Revolution

Clear Fault codes Conditions

• When the status resistor of the injector drive LSI is monitored on the CPU, the internal reset, the clock failure and the power voltage is abnormal.
• The initialization of resistor isn't executed normally.
• The operation mode isn't normal.
• The serial communication function isn't normal.

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

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