Interrogating the Fault Memory
Procedure
- Connect the scan tool.
- Switch the ignition to the "ON" position.
- Select "Diagnostic Mode 03: Interrogating fault memory".
- The stored DTC or DTCs will be displayed on the scan tool screen.
The following table is an example of the DTC information that may be displayed on the scan tool screen:
| Indication example | Explanation |
|---|---|
| P0444 | SAE Diagnostic Trouble Code (DTC) |
| Evaporative Emission (EVAP) Canister Purge Regulator Valve | Malfunctioning wiring path or malfunctioning component |
| Circuit Open | Malfunction type as next |
Refer to the following DTC tables for the diagnostic repair procedure:
- SAE P0xxxDTCs. → SAE P0xxx-DTCs .
- SAE P1xxx-DTCs → SAE P1xxx-DTCs .
- SAE P2xxxDTCs. → SAE P2xxx-DTCs .
- SAE P3xxxDTCs. → SAE P3xxx-DTCs .
- SAE U0xxxDTCs, → SAE U0xxx-DTCs .
- Switch the ignition off.
- End of diagnosis.