DTC P01C5:00 [PCM (SKYACTIV-D 2.2)]

id0102j5218100

DTC P01C5:00

Fuel pressure sensor(integrated with fuel injector No.2) circuit low input

DETECTION CONDITION

•  With the following conditions met, the fuel pressure sensor output voltage is 0.37 V or less 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.2 connector or terminal malfunction

•  PCM connector or terminal malfunction

•  Short to ground in wiring harness between the following terminals:

―  Fuel injector No.2 terminal C and PCM terminal 1BX

―  Fuel injector No.2 terminal B and PCM terminal 1BL

•  Short circuit to ground in fuel injector No.2 signal circuit and ground circuit

•  Open circuit in wiring harness between fuel injector No.2 terminal C and PCM terminal 1BX

•  Fuel injector No.2 malfunction

•  PCM malfunction

DTC P01C5:00	Fuel pressure sensor(integrated with fuel injector No.2) circuit low input
DETECTION CONDITION	• With the following conditions met, the fuel pressure sensor output voltage is 0.37 V or less 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.2 connector or terminal malfunction • PCM connector or terminal malfunction • Short to ground in wiring harness between the following terminals: ― Fuel injector No.2 terminal C and PCM terminal 1BX ― Fuel injector No.2 terminal B and PCM terminal 1BL • Short circuit to ground in fuel injector No.2 signal circuit and ground circuit • Open circuit in wiring harness between fuel injector No.2 terminal C and PCM terminal 1BX • Fuel injector No.2 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 P01C5:00 been stored?

Yes

Repair the malfunctioning location according to the applicable DTC troubleshooting.

No

Go to the next step.

3

INSPECT FUEL INJECTOR NO.2 CONNECTOR CONDITION

•  Switch the ignition OFF.

•  Disconnect the fuel injector No.2 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.2 CIRCUIT FOR SHORT TO GROUND

•  Verify that the fuel injector No.2 connector and the PCM connector are disconnected.

•  Inspect for continuity between the following terminals (vehicle wiring harness) and body ground.

―  Fuel injector No.2 terminal C

―  Fuel injector No.2 terminal B

•  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.2 terminal C and PCM terminal 1BX

•  Fuel injector No.2 terminal B and PCM terminal 1BL

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.2 SIGNAL CIRCUIT FOR SHORT TO GROUND

•  Verify that the fuel injector No.2 connector and the PCM connector are disconnected.

•  Inspect for continuity between fuel injector No.2 terminals B and A (vehicle wiring harness).

•  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.2 terminal A and PCM terminal 1DF

•  Fuel injector No.2 terminal B and PCM terminal 1BL

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.2 CIRCUIT FOR OPEN CIRCUIT

•  Verify that the fuel injector No.2 connector and the PCM connector are disconnected.

•  Inspect the wiring harness for continuity between fuel injector No.2 terminal C (vehicle wiring harness side) and PCM terminal 1BX (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 fuel injector No.2 terminal C and PCM terminal 1BX.

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.2)

•  Inspect the fuel pressure sensor (integrated with fuel injector No.2).

•  Is the fuel pressure sensor (integrated with fuel injector No.2) normal?

Yes

Go to the next step.

No

Replace fuel injector No.2, 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 P01C5:00 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 P01C5:00 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.2 CONNECTOR CONDITION • Switch the ignition OFF. • Disconnect the fuel injector No.2 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.2 CIRCUIT FOR SHORT TO GROUND • Verify that the fuel injector No.2 connector and the PCM connector are disconnected. • Inspect for continuity between the following terminals (vehicle wiring harness) and body ground. ― Fuel injector No.2 terminal C ― Fuel injector No.2 terminal B • Is there continuity?	Yes	Go to the next step.
5		No	Refer to the wiring diagram and verify if there is a common connector between the following terminals. • Fuel injector No.2 terminal C and PCM terminal 1BX • Fuel injector No.2 terminal B and PCM terminal 1BL 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.2 SIGNAL CIRCUIT FOR SHORT TO GROUND • Verify that the fuel injector No.2 connector and the PCM connector are disconnected. • Inspect for continuity between fuel injector No.2 terminals B and A (vehicle wiring harness). • 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.2 terminal A and PCM terminal 1DF • Fuel injector No.2 terminal B and PCM terminal 1BL 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.2 CIRCUIT FOR OPEN CIRCUIT • Verify that the fuel injector No.2 connector and the PCM connector are disconnected. • Inspect the wiring harness for continuity between fuel injector No.2 terminal C (vehicle wiring harness side) and PCM terminal 1BX (vehicle wiring harness side). • 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 fuel injector No.2 terminal C and PCM terminal 1BX. 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.2) • Inspect the fuel pressure sensor (integrated with fuel injector No.2). • Is the fuel pressure sensor (integrated with fuel injector No.2) normal?	Yes	Go to the next step.
8		No	Replace fuel injector No.2, 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 P01C5:00 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.