For Mexico
P0087 FRP CONTROL SYSTEM
DTC Logic
DTC DETECTION LOGIC
NOTE:
-If DTC P0087 is displayed with DTC P0090 and/or P1197, first perform the trouble diagnosis for DTC
P0090 and/or P1197.
- DTC P0087 may be displayed when running out of gas or air accumulation.
DTC CONFIRMATION PROCEDURE
1. CHECK FUEL LEAKAGE
1.Turn ignition switch ON.
2.Visually check the piping between low pressure fuel pump and fuel injectors for fuel leakage.
3.Start the engine.
4.Visually check the piping between low pressure fuel pump and fuel injectors for fuel leakage.
Is inspection result normal?
YES- GO TO 2.
NO- Repair or replace error-detected parts.
2. PRECONDITIONING
If DTC CONFIRMATION PROCEDURE has been previously conducted, always perform the following procedure before conducting the next test.
1.Turn ignition switch OFF and wait at least 10 seconds.
2.Turn ignition switch ON.
3.Turn ignition switch OFF and wait at least 10 seconds.
- GO TO 3.
3. PERFORM DTC CONFIRMATION PROCEDURE-1
WITH CONSULT
1.Turn ignition switch ON.
2.Select "COOLAN TEMP/S" in "DATA MONITOR" mode of "ENGNE" using CONSULT.
3.Check the following condition;.
WITH GST
Follow the above steps for "WITH CONSULT".
Is the condition satisfied?
YES- GO TO 4.
NO- 1.Satisfy the condition.
2.Retry from step 1.
4. PERFORM DTC CONFIRMATION PROCEDURE-2
WITH CONSULT
1.Start the engine and let it idle for 10 seconds.
2.Check 1st trip DTC.
WITH GST
Follow the above steps for "WITH CONSULT".
Is 1st trip DTC detected?
YES- Proceed to "Diagnosis Procedure" .
NO- GO TO 5.
5. PERFORM DTC CONFIRMATION PROCEDURE-3
WITH CONSULT
1.Select "COOLAN TEMP/S" in "DATA MONITOR" mode of "ENGINE" using CONSULT.
2.Maintain the following condition for 10 seconds or more at idle.
3.Check 1st trip DTC.
WITH GST
Follow the above steps for "WITH CONSULT".
Is 1st trip DTC detected?
YES- Proceed to "Diagnosis Procedure" .
NO- INSPECTION END.
Diagnosis Procedure
1. BLEED THE FUEL LINE
1.Start the engine, and let the engine run at idle at least for 10 minutes.
2.Perform DTC confirmation procedure of DTC P0087.
Is 1st trip DTC detected?
YES- GO TO 2.
NO- GO TO 6.
2. CHECK LOW FUEL PRESSURE
WITH CONSULT
1.Start the engine.
2.Check "L/FUEL PRES SEN V" in "DATA MONITOR" mode of "ECM" using CONSULT.
WITHOUT CONSULT
1.Start the engine.
2.Check low fuel pressure sensor signal voltage.
Is inspection result normal?
YES- GO TO 3.
NO- Check low fuel pressure system. Refer to "Diagnosis Procedure" For Mexico.
3. CHECK LOW PRESSURE FUEL LINE FOR INTERNAL LEAKAGE
WITH CONSULT
1.Turn ignition switch OFF.
2.Turn ignition switch ON.
3.Select "L/FUEL PRES SEN" in "DATA MONITOR" of "ECM" with CONSULT.
4.Check the following value 30 minutes after turning the ignition switch ON.
WITHOUT CONSULT
1.Turn ignition switch OFF.
2.Connect fuel pressure gauge. Refer to "Work Procedure" For Mexico.
3.Turn ignition switch ON.
4.Check the following value 30 minutes after turning the ignition switch ON.
Is inspection result normal?
YES- GO TO 4.
NO- Replace low pressure fuel pump. Refer to "Exploded View" Exploded View.
4. CHECK HIGH PRESSURE FUEL PUMP
Check high pressure fuel pump. Refer to "Component Inspection (High Pressure Fuel Pump)" .
Is inspection result normal?
YES- GO TO 5.
NO- Repair or replace the error-detected parts.
5. CHECK LIFTER
Check lifter. Refer to "Removal and Installation" Removal and Installation.
Does the lifter top surface have scratches and/or dents?
YES- Replace the error-detected parts.
NO- Check intermittent incident. Refer to "Intermittent Incident" Intermittent Incident.
6. CHECK LOW PRESSURE FUEL LINE FOR INTERNAL LEAKAGE
WITH CONSULT
1.Turn ignition switch OFF.
2.Turn ignition switch ON.
3.Select "L/FUEL PRES SEN" in "DATA MONITOR" mode of "ECM" using CONSULT.
4.Check the following value 30 minutes after turning the ignition switch ON.
WITHOUT CONSULT
1.Turn ignition switch OFF.
2.Connect fuel pressure gauge. Refer to "Work Procedure" For Mexico.
3.Turn ignition switch ON.
4.Check the following value 30 minutes after turning the ignition switch ON.
Is inspection result normal?
YES- Check intermittent incident. Refer to "Intermittent Incident" Intermittent Incident.
NO- Replace low pressure fuel pump. Refer to "Exploded View" Exploded View.
Component Inspection (High Pressure Fuel Pump)
1. CHECK HIGH PRESSURE FUEL PUMP-1
1.Turn ignition switch OFF.
2.Disconnect high pressure fuel pump harness connector.
3.Check the resistance between high pressure fuel pump terminals.
Is the inspection result normal?
YES- GO TO 2.
NO- Replace high pressure fuel pump. Refer to "Exploded View" Exploded View.
2. CHECK HIGH PRESSURE FUEL PUMP-2
WITH CONSULT
1.Reconnect high pressure fuel pump harness connector.
2.Start the engine.
3.Check "FUEL PRES SEN V" in "DATA MONITOR" mode of "ECM" using CONSULT.
WITHOUT CONSULT
1.Reconnect high pressure fuel pump harness connector.
2.Start the engine.
3.Check FRP sensor signal voltage.
YES- INSPECTION END
NO- Replace high pressure fuel pump. Refer to "Exploded View" Exploded View.