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Home >> Cadillac >> 1998 >> Seville SLS >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Tests W/Codes >> Diagnostic Trouble Codes >> DTC P0103 - MAF Sensor Circuit High Frequency >> Diagnostic Procedures
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Diagnostic Procedures

  1. Perform POWERTRAIN ON-BOARD DIAGNOSTIC (OBD) SYSTEM CHECK , then go to next step.
  2. Using scan tool, select FREEZE FRAME function under SPECIFIC DTC. Duplicate conditions under which DTC was set. If DTC resets, go to next step. If DTC does not reset, see DIAGNOSTIC AIDS.
  3. Check terminal contact at MAF sensor connector. Repair as necessary. If terminal contact is okay, go to next step.
  4. Replace MAF sensor.
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