Intention of troubleshooting procedure

WARNING: This page is about a different variant/trim than selected.

Step 1
- Inspect the fuel supply system (low pressure side).
Step 2
- Perform a unit inspection of the high fuel pressure sensor.
Repair completion verification
- Verify that the primary malfunction is resolved and there are no other malfunctions.

P0087:00 (PCM - VIN Y) TROUBLESHOOTING DIAGNOSTIC PROCEDURE

Step	Inspection	Results	Action
1	PURPOSE: VERIFY IF MALFUNCTION RELATED TO FUEL PIPE (LOW PRESSURE SIDE) AFFECTS DIAGNOSTIC RESULTS Inspect the fuel pump unit. (Refer to applicable FUEL PUMP UNIT INSPECTION (VIN Y) in the service information.) Is there any malfunction?	Yes	Replace the fuel pump unit and perform the repair completion verification 1. (Refer to applicable FUEL PUMP UNIT REMOVAL/INSTALLATION (VIN Y) in the service information.)
1		No	Inspect the fuel system pipes (low to high pressure sides) for fuel leakage and restriction. If there is any malfunction: Repair or replace the malfunctioning location and perform the repair completion verification 1. If there is no malfunction: Go to the next step.
2	PURPOSE: INSPECT HIGH FUEL PRESSURE SENSOR FOR MALFUNCTION Inspect the applicable part. (Refer to HIGH PRESSURE FUEL PUMP INSPECTION (VIN Y) in the service information.) Is the part normal?	Yes	Go to the next step.
2		No	Repair or replace the malfunctioning location and perform the repair completion verification 1. (Refer to HIGH PRESSURE FUEL PUMP REMOVAL/INSTALLATION (VIN Y) in the service information.)
Repair completion verification 1	PURPOSE: VERIFY THAT VEHICLE IS REPAIRED Install/connect the part removed/disconnected during the troubleshooting procedure. Clear the DTC recorded in the memory. (see CLEARING DTC .) Replicate the vehicle conditions at the time the DTC was detected using the following procedure. Implement the repeatability verification procedure. (See REPEATABILITY VERIFICATION PROCEDURE .) Perform the DTC inspection for the PCM. (See DTC INSPECTION .) Is the same Pending DTC present?	Yes	Refer to the controller area network (CAN) malfunction diagnosis flow to inspect for a CAN communication error. (See MALFUNCTION DIAGNOSIS FLOW [CONTROLLER AREA NETWORK (CAN)] .) 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. (Refer to applicable PCM REMOVAL/INSTALLATION (VIN Y) in the service information.)
Repair completion verification 1		No	Go to the next step.
Repair completion verification 2	PURPOSE: VERIFY IF OTHER DTCs DISPLAYED Perform the DTC inspection. (See DTC INSPECTION .) Are any other DTCs displayed?	Yes	Repair or replace the malfunctioning location according to the applicable DTC troubleshooting.
Repair completion verification 2		No	DTC troubleshooting completed.