Variable Valve Timing Pressure Switch: Testing and Inspection
The scan tool indicates Diagnostic Trouble Code (DTC) P1279: A problem in the Front VTEC Pressure Switch circuit or Front VTEC Solenoid Valve circuit.
The scan tool indicates Diagnostic Trouble Code (DTC) P1259: A problem in the Rear VTEC Pressure Switch circuit or Rear VTEC Solenoid Valve circuit.
Refer to How to Display and Read Diagnostic Trouble Codes before troubleshooting.