Intention of troubleshooting procedure
- Step 1-3
- Perform a fuel injector control system inspection.
- Step 4
- Perform an emission system parts inspection.
- Step 5-7
- Perform an intake air system parts inspection.
- Step 8-11
- Perform a valve timing inspection.
- Step 12
- Perform an exhaust system parts inspection.
- Step 13
- Verify that the primary malfunction is resolved and there are no other malfunctions.
| STEP | INSPECTION | RESULTS | ACTION |
|---|---|---|---|
| 1 | PURPOSE: DETERMINE INTEGRITY OF FUEL PUMP CONTROL MODULE
|
Yes | Replace the fuel pump control module, then go to Step 13. (See FUEL PUMP CONTROL MODULE REMOVAL/INSTALLATION [SKYACTIV-G 2.0, SKYACTIV-G 2.5] .) |
| No | Go to the next step. | ||
| 2 | PURPOSE: DETERMINE INTEGRITY OF FUEL PUMP UNIT
|
Yes | Replace the fuel pump unit, then go to Step 13. (See FUEL PUMP UNIT REMOVAL/INSTALLATION [SKYACTIV-G 2.0, SKYACTIV-G 2.5] .) |
| No | Go to the next step. | ||
| 3 | PURPOSE: DETERMINE INTEGRITY OF FUEL INJECTOR
|
Yes | Replace the fuel injector, then go to Step 13. (See FUEL INJECTOR REMOVAL/INSTALLATION [SKYACTIV-G 2.0, SKYACTIV-G 2.5] .) |
| No | Go to the next step. | ||
| 4 | PURPOSE: DETERMINE INTEGRITY OF PURGE SOLENOID VALVE
|
Yes | Replace the purge solenoid valve, then go to Step 13. (See PURGE SOLENOID VALVE REMOVAL/INSTALLATION [SKYACTIV-G 2.0, SKYACTIV-G 2.5] .) |
| No | Go to the next step. | ||
| 5 | PURPOSE: DETERMINE INTEGRITY OF MAF SENSOR
|
Yes | Replace the MAF sensor/IAT sensor No. 1, then go to Step 13. (See MASS AIR FLOW (MAF) SENSOR/INTAKE AIR TEMPERATURE (IAT) SENSOR NO. 1 REMOVAL/INSTALLATION [SKYACTIV-G 2.0, SKYACTIV-G 2.5] .) |
| No | Go to the next step. | ||
| 6 | PURPOSE: AIR CLEANER ELEMENT
|
Yes | Inspect the air cleaner element. (See AIR CLEANER ELEMENT INSPECTION [SKYACTIV-G 2.0, SKYACTIV-G 2.5]
.)
|
| No | Go to the next step. | ||
| 7 | PURPOSE: DETERMINE INTEGRITY OF MAP SENSOR
|
Yes | Replace the MAP sensor/IAT sensor No. 2, then go to Step 13. (See MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR/INTAKE AIR TEMPERATURE (IAT) SENSOR NO. 2 REMOVAL/INSTALLATION [SKYACTIV-G 2.0, SKYACTIV-G 2.5] .) |
| No | Go to the next step. | ||
| 8 | PURPOSE: DETERMINE INTEGRITY OF ELECTRIC VARIABLE VALVE TIMING DRIVER
|
Yes | Replace the electric variable valve timing motor/driver, then go to Step 13. (See ELECTRIC VARIABLE VALVE TIMING MOTOR/DRIVER REMOVAL/INSTALLATION [SKYACTIV-G 2.0, SKYACTIV-G 2.5] .) |
| No | Go to the next step. | ||
| 9 | PURPOSE: DETERMINE INTEGRITY OF ELECTRIC VARIABLE VALVE TIMING MOTOR
|
Yes | Replace the electric variable valve timing motor/driver, then go to Step 13. (See ELECTRIC VARIABLE VALVE TIMING MOTOR/DRIVER REMOVAL/INSTALLATION [SKYACTIV-G 2.0, SKYACTIV-G 2.5] .) |
| No | Go to the next step. | ||
| 10 | PURPOSE: DETERMINE INTEGRITY OF ELECTRIC VARIABLE VALVE TIMING ACTUATOR
|
Yes | Replace the electric variable valve timing actuator, then go to Step 13. (See ELECTRIC VARIABLE VALVE TIMING ACTUATOR, HYDRAULIC VARIABLE VALVE TIMING ACTUATOR REMOVAL/INSTALLATION [SKYACTIV-G 2.0, SKYACTIV-G 2.5] .) |
| No | Go to the next step. | ||
| 11 | PURPOSE: DETERMINE INTEGRITY OF OCV
|
Yes | Replace the OCV, then go to Step 13. (See OIL CONTROL VALVE (OCV) REMOVAL/INSTALLATION [SKYACTIV-G 2.0, SKYACTIV-G 2.5] .) |
| No | Go to the next step. | ||
| 12 | PURPOSE: DETERMINE INTEGRITY OF A/F SENSOR
|
Yes | Replace the A/F sensor, then go to the next step. (See AIR FUEL RATIO (A/F) SENSOR REMOVAL/INSTALLATION [SKYACTIV-G 2.0, SKYACTIV-G 2.5] .) |
| No | Go to the next step. | ||
| 13 | PURPOSE: VERIFICATION OF VEHICLE REPAIR COMPLETION
|
Yes | Repeat the inspection from Step 1.
|
| No | DTC troubleshooting completed. |