|
1
|
RECORD VEHICLE STATUS WHEN DTC WAS DETECTED TO UTILIZE WITH REPEATABILITY VERIFICATION
• Record the freeze frame data/snapshot data.
-
Note
-
• Recording can be facilitated using the screen capture function of the PC.
|
—
|
Go to the next step.
|
|
2
|
VERIFY RELATED REPAIR INFORMATION OR SERVICE INFORMATION AVAILABILITY
• Verify related Service Bulletins, on-line repair information, or Service Information availability.
• Is any related Information available?
|
Yes
|
Perform repair or diagnosis according to the available information.
• If the vehicle is not repaired, go to the next step.
|
|
No
|
Go to the next step.
|
|
3
|
INSPECT FUEL PRESSURE RELIEF VALVE CONNECTOR FOR MALFUNCTION
• Inspect the applicable connector and terminal.
• Are the connector and terminal normal?
|
Yes
|
Go to the next step.
|
|
No
|
Repair or replace the malfunctioning location and perform the repair completion verification.
|
|
4
|
INSPECT PCM CONNECTOR FOR MALFUNCTION
• Inspect the applicable connector and terminal.
• Are the connector and terminal normal?
|
Yes
|
Go to the next step.
|
|
No
|
Repair or replace the malfunctioning location and perform the repair completion verification.
|
|
5
|
INSPECT FUEL PRESSURE RELIEF VALVE CONTROL (+) CIRCUIT AND CONTROL (-) CIRCUIT FOR SHORT TO GROUND
• Inspect the applicable circuit for a short to ground.
• Is the circuit normal?
|
Yes
|
Go to the next step.
|
|
No
|
Repair or replace the malfunctioning location and perform the repair completion verification.
|
|
6
|
INSPECT FUEL PRESSURE RELIEF VALVE CONTROL (+) CIRCUIT AND CONTROL (-) CIRCUIT FOR SHORT TO POWER SUPPLY
• Inspect the applicable circuit for a short to power supply.
• Is the circuit normal?
|
Yes
|
Go to the next step.
|
|
No
|
Repair or replace the malfunctioning location and perform the repair completion verification.
|
|
7
|
INSPECT FUEL PRESSURE RELIEF VALVE CONTROL (+) CIRCUIT AND CONTROL (-) CIRCUIT FOR SHORT CIRCUIT
• Inspect the applicable circuits for a short circuit.
• Is the circuit normal?
|
Yes
|
Go to repair completion verification.
|
|
No
|
Repair or replace the malfunctioning location and perform the repair completion verification.
|
|
8
|
INSPECT FUEL PRESSURE RELIEF VALVE CONTROL (+) CIRCUIT AND CONTROL (-) CIRCUIT FOR OPEN CIRCUIT
• Inspect the applicable circuit for open circuit.
• Is the circuit normal?
|
Yes
|
Go to the next step.
|
|
No
|
Repair or replace the malfunctioning location and perform the repair completion verification.
|
|
9
|
INSPECT FUEL PRESSURE RELIEF VALVE FOR MALFUNCTION
• Inspect the applicable part.
• Is the part normal?
|
Yes
|
Go to the next step.
|
|
No
|
Repair or replace the malfunctioning location and perform the repair completion verification.
|
|
Repair completion verification 1
|
VERIFY THAT VEHICLE IS REPAIRED
• Install/connect the part removed/disconnected during the troubleshooting procedure.
• Clear the DTC recorded in the memory.
• Replicate the vehicle conditions at the time the DTC was detected using the following procedure.
-
― Start the engine and warm it up.
― Stop all electrical loads. (Such as A/C, headlights, blower fan, rear window defroster)
― Drive the vehicle on flat roads under the following conditions 4 times repeatedly.
-
Warning
-
• Observe legal speed limits when driving the vehicle and perform the procedure in a location where safety can be assured.
-
1. Accelerate to 15 km/h{9.3 mph} and decelerate to 0 km/h{0 mph}.
2. Wait for 20 s while idling.
3. Accelerate to 30 km/h{19 mph}, and decelerate to 0 km/h{0 mph} after driving the vehicle while maintaining the speed for 20 s.
4. Wait for 20 s while idling.
5. Accelerate to 50 km/h{31 mph}, and decelerate to 0 km/h {0 mph} after driving the vehicle while maintaining the speed for 20 s.
6. Wait for 20 s while idling.
― Accelerate to 70 km/h {43 mph} and drive the vehicle while maintaining the speed for 60 s.
― Decelerate to 50 km/h{31 mph} and drive the vehicle while maintaining the speed for 60 s.
― Accelerate to 70 km/h {43 mph} and drive the vehicle while maintaining the speed for 60 s.
― Accelerate to 100 km/h {62.1 mph} and drive the vehicle while maintaining the speed for 30 s.
― Accelerate to 120 km/h{74.6 mph} and decelerate to 0 km/h{0 mph}.
― Stop the engine.
• Perform the DTC inspection for the PCM.
• Is the same Pending DTC present?
|
Yes
|
Refer to the controller area network (CAN) malfunction diagnosis flow to inspect for a CAN communication error.
If the CAN communication is normal, perform the diagnosis from Step 1.
• If the malfunction recurs, replace the PCM, then go to the next step.
|
|
No
|
Go to the next step.
|
|
Repair completion verification 2
|
VERIFY IF OTHER DTCs DISPLAYED
• Perform the DTC inspection.
• Are any other DTCs displayed?
|
Yes
|
Repair the malfunctioning location according to the applicable DTC troubleshooting.
|
|
No
|
DTC troubleshooting completed.
|
