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Home >> Suzuki >> 2008 >> XL7 Base, AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine General Information And Diagnosis >> Diagnostic Information and Procedures >> DTC P2122, P2123, P2127, P2128, or P2138 >> Circuit/System Verification
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Circuit/System Verification

  1. Ignition ON, observe the DTC information with a scan tool. DTC P0652, P0653, P0698, or P0699 should not be set.
  2. Observe the scan tool APP Sensor voltage parameters. Verify both of the APP sensor voltages are between 0.4-4.5 volts.
  3. Rapidly depress the accelerator pedal from the rest position to the wide open throttle position (WOT) and release pedal. Repeat the procedure several times. DTC P2122, P2123, P2127, P2128, or P2138 should not set.
  4. Slowly depress the accelerator pedal to WOT and then slowly return the pedal to closed throttle. Repeat the procedure several times. DTC P2122, P2123, P2127, P2128, or P2138 should not set.
  5. Operate the vehicle within the Conditions for Running the DTC to verify the DTC does not reset. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.
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