DTC P018D:00 [PCM (SKYACTIV-D 2.2)]

id0102j5217500

DTC P0018D:00

Fuel pressure sensor(integrated with fuel injector No.3) circuit high input

DETECTION CONDITION

•  With the following conditions met, the fuel pressure sensor output voltage is 4.15 V or more for a continuous 0.7 s.

―  Battery positive voltage: 8.0 V or more

―  Specified time has elapsed after ignition is switched ON (engine off or on)

Diagnostic support note

•  This is an intermittent monitor (fuel system).

•  The check engine light illuminates if the PCM detects the above malfunction condition during the first drive cycle.

•  FREEZE FRAME DATA/Snapshot data is available.

•  DTC is stored in the PCM memory.

FAIL-SAFE FUNCTION

•  Not applicable

POSSIBLE CAUSE

•  Fuel injector No.3 connector or terminal malfunction

•  PCM connector or terminal malfunction

•  Short circuit to power supply in wiring harness between fuel injector No.3 terminal B and PCM terminal 1AM

•  Short circuit in fuel injector No.3 power supply circuit and signal circuit

•  Open circuit in wiring harness between the following terminals:

―  Fuel injector No.3 terminal A and PCM terminal 1BQ

―  Fuel injector No.3 terminal B and PCM terminal 1AM

•  Fuel injector No.3 malfunction

•  PCM malfunction

DTC P0018D:00	Fuel pressure sensor(integrated with fuel injector No.3) circuit high input
DETECTION CONDITION	• With the following conditions met, the fuel pressure sensor output voltage is 4.15 V or more for a continuous 0.7 s. ― Battery positive voltage: 8.0 V or more ― Specified time has elapsed after ignition is switched ON (engine off or on) Diagnostic support note • This is an intermittent monitor (fuel system). • The check engine light illuminates if the PCM detects the above malfunction condition during the first drive cycle. • FREEZE FRAME DATA/Snapshot data is available. • DTC is stored in the PCM memory.
FAIL-SAFE FUNCTION	• Not applicable
POSSIBLE CAUSE	• Fuel injector No.3 connector or terminal malfunction • PCM connector or terminal malfunction • Short circuit to power supply in wiring harness between fuel injector No.3 terminal B and PCM terminal 1AM • Short circuit in fuel injector No.3 power supply circuit and signal circuit • Open circuit in wiring harness between the following terminals: ― Fuel injector No.3 terminal A and PCM terminal 1BQ ― Fuel injector No.3 terminal B and PCM terminal 1AM • Fuel injector No.3 malfunction • PCM malfunction

Diagnostic Procedure

Step

Inspection

Results

Action

1

RECORD VEHICLE STATUS WHEN DTC WAS DETECTED TO UTILIZE WITH REPEATABILITY VERIFICATION

Note

•  Recording can be facilitated using the screen capture function of the PC.

•  Record the freeze frame data/snap shot data.

—

Go to the next step.

2

VERIFY OTHER RELATED DTCs

•  Switch the ignition OFF, and then switch it ON (engine off).

•  Display the DTCs using the M-MDS.

•  Has any DTC other than P018D:00 been stored?

Yes

Repair the malfunctioning location according to the applicable DTC troubleshooting.

No

Go to the next step.

3

INSPECT FUEL INJECTOR NO.3 CONNECTOR CONDITION

•  Switch the ignition OFF.

•  Disconnect the fuel injector No.3 connector.

•  Inspect the connector engagement and connection condition, and inspect the terminals for damage, deformation, corrosion, or disconnection.

•  Is the connector normal?

Yes

Go to the next step.

No

Repair or replace the connector, then go to Step 7.

4

INSPECT PCM CONNECTOR CONDITION

•  Disconnect the PCM connector.

•  Inspect the connector engagement and connection condition, and inspect the terminals for damage, deformation, corrosion, or disconnection.

•  Is the connector normal?

Yes

Go to the next step.

No

Repair or replace the connector, then go to Step 7.

5

INSPECT FUEL INJECTOR NO.3 SIGNAL CIRCUIT FOR SHORT TO POWER SUPPLY

•  Verify that the fuel injector No.3 connector and the PCM connector are disconnected.

Note

•  Another DTC may be stored by the PCM detecting an open circuit.

•  Measure the voltage at fuel injector No.3 terminal B (vehicle wiring harness side).

•  Is the voltage 0 V?

Yes

Go to the next step.

No

Refer to the wiring diagram and verify if there is a common connector between fuel injector No.3 terminal B and PCM terminal 1AM.

If there is a common connector:

•  Inspect the common connector and terminals for corrosion, damage, or disconnection and the common wiring harnesses for an open circuit to determine the malfunctioning location.

•  Repair or replace the malfunctioning location.

If there is no common connector:

•  Repair or replace the wiring harness which has an open circuit.

Go to Step 9.

6

INSPECT FUEL INJECTOR NO.3 POWER SUPPLY CIRCUIT AND SIGNAL CIRCUIT FOR SHORT CIRCUIT

•  Verify that the fuel injector No.3 connector and the PCM connector are disconnected.

•  Inspect for continuity between fuel injector No.3 terminals C, B (vehicle wiring harness side).

•  Is there continuity?

Yes

Go to the next step.

No

Refer to the wiring diagram and verify if there is a common connector between the following terminals.

•  Fuel injector No.3 terminal C and PCM terminal 1M

•  Fuel injector No.3 terminal B and PCM terminal 1AM

If there is a common connector:

•  Inspect the common connector and terminals for corrosion, damage, or disconnection and the common wiring harnesses for an open circuit to determine the malfunctioning location.

•  Repair or replace the malfunctioning location.

If there is no common connector:

•  Repair or replace the wiring harness which has an open circuit.

Go to Step 9.

7

INSPECT FUEL INJECTOR NO.3 CIRCUIT FOR OPEN CIRCUIT

•  Verify that the fuel injector No.3 connector and the PCM connector are disconnected.

•  Inspect between the following terminals (vehicle wiring harness side) for continuity.

―  Fuel injector No.3 terminal A and PCM terminal 1BQ

―  Fuel injector No.3 terminal B and PCM terminal 1AM

•  Is there continuity?

Yes

Go to the next step.

No

Refer to the wiring diagram and verify if there is a common connector between the following terminals.

•  Fuel injector No.3 terminal A and PCM terminal 1BQ

•  Fuel injector No.3 terminal B and PCM terminal 1AM

If there is a common connector:

―  Inspect the common connector and terminals for corrosion, damage, or disconnection and the common wiring harnesses for an open circuit to determine the malfunctioning location.

―  Repair or replace the malfunctioning location.

If there is no common connector:

―  Repair or replace the wiring harness which has an open circuit.

Go to Step 9.

8

INSPECT FUEL PRESSURE SENSOR (INTEGRATED WITH FUEL INJECTOR NO.3)

•  Inspect the fuel pressure sensor (integrated with fuel injector No.3).

•  Is the fuel pressure sensor (integrated with fuel injector No.3) normal?

Yes

Go to the next step.

No

Replace fuel injector No.3, then go to the next step.

9

VERIFY THAT REPAIRS HAVE BEEN COMPLETED

•  Reconnect all the disconnected connectors.

•  Refer to the [MEMORY CLEARING PROCEDURE] and clear the DTC.

•  Switch the ignition ON (engine off) and leave for 1 min.

•  Start the engine and wait for min.

•  Display the DTCs using the M-MDS.

•  Has DTC P018D:00 been recorded?

Yes

Repeat the inspection from Step 1.

•  If the malfunction recurs, replace the PCM, then go to the next step.

No

Go to the next step.

10

VERIFY OTHER DTCs

•  Has any other DTC or pending code been stored?

Yes

Repair the malfunctioning location according to the applicable DTC troubleshooting.

No

DTC troubleshooting completed.

Step	Inspection	Results	Action
1	RECORD VEHICLE STATUS WHEN DTC WAS DETECTED TO UTILIZE WITH REPEATABILITY VERIFICATION Note • Recording can be facilitated using the screen capture function of the PC. • Record the freeze frame data/snap shot data.	—	Go to the next step.
2	VERIFY OTHER RELATED DTCs • Switch the ignition OFF, and then switch it ON (engine off). • Display the DTCs using the M-MDS. • Has any DTC other than P018D:00 been stored?	Yes	Repair the malfunctioning location according to the applicable DTC troubleshooting.
2		No	Go to the next step.
3	INSPECT FUEL INJECTOR NO.3 CONNECTOR CONDITION • Switch the ignition OFF. • Disconnect the fuel injector No.3 connector. • Inspect the connector engagement and connection condition, and inspect the terminals for damage, deformation, corrosion, or disconnection. • Is the connector normal?	Yes	Go to the next step.
3		No	Repair or replace the connector, then go to Step 7.
4	INSPECT PCM CONNECTOR CONDITION • Disconnect the PCM connector. • Inspect the connector engagement and connection condition, and inspect the terminals for damage, deformation, corrosion, or disconnection. • Is the connector normal?	Yes	Go to the next step.
4		No	Repair or replace the connector, then go to Step 7.
5	INSPECT FUEL INJECTOR NO.3 SIGNAL CIRCUIT FOR SHORT TO POWER SUPPLY • Verify that the fuel injector No.3 connector and the PCM connector are disconnected. Note • Another DTC may be stored by the PCM detecting an open circuit. • Measure the voltage at fuel injector No.3 terminal B (vehicle wiring harness side). • Is the voltage 0 V?	Yes	Go to the next step.
5		No	Refer to the wiring diagram and verify if there is a common connector between fuel injector No.3 terminal B and PCM terminal 1AM. If there is a common connector: • Inspect the common connector and terminals for corrosion, damage, or disconnection and the common wiring harnesses for an open circuit to determine the malfunctioning location. • Repair or replace the malfunctioning location. If there is no common connector: • Repair or replace the wiring harness which has an open circuit. Go to Step 9.
6	INSPECT FUEL INJECTOR NO.3 POWER SUPPLY CIRCUIT AND SIGNAL CIRCUIT FOR SHORT CIRCUIT • Verify that the fuel injector No.3 connector and the PCM connector are disconnected. • Inspect for continuity between fuel injector No.3 terminals C, B (vehicle wiring harness side). • Is there continuity?	Yes	Go to the next step.
6		No	Refer to the wiring diagram and verify if there is a common connector between the following terminals. • Fuel injector No.3 terminal C and PCM terminal 1M • Fuel injector No.3 terminal B and PCM terminal 1AM If there is a common connector: • Inspect the common connector and terminals for corrosion, damage, or disconnection and the common wiring harnesses for an open circuit to determine the malfunctioning location. • Repair or replace the malfunctioning location. If there is no common connector: • Repair or replace the wiring harness which has an open circuit. Go to Step 9.
7	INSPECT FUEL INJECTOR NO.3 CIRCUIT FOR OPEN CIRCUIT • Verify that the fuel injector No.3 connector and the PCM connector are disconnected. • Inspect between the following terminals (vehicle wiring harness side) for continuity. ― Fuel injector No.3 terminal A and PCM terminal 1BQ ― Fuel injector No.3 terminal B and PCM terminal 1AM • Is there continuity?	Yes	Go to the next step.
7		No	Refer to the wiring diagram and verify if there is a common connector between the following terminals. • Fuel injector No.3 terminal A and PCM terminal 1BQ • Fuel injector No.3 terminal B and PCM terminal 1AM If there is a common connector: ― Inspect the common connector and terminals for corrosion, damage, or disconnection and the common wiring harnesses for an open circuit to determine the malfunctioning location. ― Repair or replace the malfunctioning location. If there is no common connector: ― Repair or replace the wiring harness which has an open circuit. Go to Step 9.
8	INSPECT FUEL PRESSURE SENSOR (INTEGRATED WITH FUEL INJECTOR NO.3) • Inspect the fuel pressure sensor (integrated with fuel injector No.3). • Is the fuel pressure sensor (integrated with fuel injector No.3) normal?	Yes	Go to the next step.
8		No	Replace fuel injector No.3, then go to the next step.
9	VERIFY THAT REPAIRS HAVE BEEN COMPLETED • Reconnect all the disconnected connectors. • Refer to the [MEMORY CLEARING PROCEDURE] and clear the DTC. • Switch the ignition ON (engine off) and leave for 1 min. • Start the engine and wait for min. • Display the DTCs using the M-MDS. • Has DTC P018D:00 been recorded?	Yes	Repeat the inspection from Step 1. • If the malfunction recurs, replace the PCM, then go to the next step.
9		No	Go to the next step.
10	VERIFY OTHER DTCs • Has any other DTC or pending code been stored?	Yes	Repair the malfunctioning location according to the applicable DTC troubleshooting.
10		No	DTC troubleshooting completed.