DTC P0223 [WL-C, WE-C (Thailand, General (L.H.D. R.H.D.) specs.)]

DTC P0223	Accelerator pedal position (APP) sensor No.2 circuit high input
DETECTION CONDITION	• The PCM monitors the input signal from APP sensor No.2. If the voltage from APP sensor No.2 is more than 4.80 V for 0.5 s when the APP sensor no.2 power supply voltage is normal, the PCM determines that there is a malfunction in the APP sensor No.2 circuit.
POSSIBLE CAUSE	• APP sensor No.2 malfunction • Connector or terminal malfunction • Short to power supply in wiring harness between APP sensor No.2 terminal A and PCM terminal 213 • Short to power supply in wiring harness between APP sensor No.2 terminal C and PCM terminal 209 • Open circuit in wiring harness between APP sensor No.2 terminal D and PCM terminal 212 • PCM malfunction

DTC P0223

Accelerator pedal position (APP) sensor No.2 circuit high input

DETECTION CONDITION

• The PCM monitors the input signal from APP sensor No.2. If the voltage from APP sensor No.2 is more than 4.80 V for 0.5 s when the APP sensor no.2 power supply voltage is normal, the PCM determines that there is a malfunction in the APP sensor No.2 circuit.

POSSIBLE CAUSE

• APP sensor No.2 malfunction

• Connector or terminal malfunction

• Short to power supply in wiring harness between APP sensor No.2 terminal A and PCM terminal 213

• Short to power supply in wiring harness between APP sensor No.2 terminal C and PCM terminal 209

• Open circuit in wiring harness between APP sensor No.2 terminal D and PCM terminal 212

• PCM malfunction

STEP	INSPECTION	ACTION
1	VERIFY FREEZE FRAME DATA HAS BEEN RECORDED • Has FREEZE FRAME DATA been recorded?	Yes	Go to the next step.
No	Record the FREEZE FRAME DATA on the repair order, then go to the next step.
2	VERIFY RELATED REPAIR INFORMATION AVAILABILITY • Verify related service repair information availability. • Is any related repair information available?	Yes	Perform repair or diagnosis according to the available repair information. • If the vehicle is not repaired, go to the next step.
No	Go to the next step.
3	VERIFY CURRENT SIGNAL STATUS: IS CONCERN INTERMITTENT OR CONSTANT? • Connect the M-MDS to the DLC-2. • Clear the DTC from the PCM memory using the M-MDS. • Start the engine. • Is the same DTC present?	Yes	Go to the next step.
No	Intermittent concern exists. Perform the “INTERMITTENT CONCERN TROUBLESHOOTING”. (See INTERMITTENT CONCERN TROUBLESHOOTING [WL-C, WE-C].)
4	CLASSIFY 5V CONSTANT VOLTAGE CIRCUIT OR OTHER RELATED MALFUNCTION • Turn the engine switch to the ON position (Engine off). • Measure the voltage between the APP sensor terminal A (wiring harness-side) and body ground. • Is the voltage 5 V constant voltage ?	Yes	Go to Step 9.
No	Go to the next step.
5	CLASSIFY 5V CONSTANT VOLTAGE CIRCUIT OR APP SENSOR RELATED MALFUNCTION • Disconnect the APP sensor connector. • Turn the engine switch to the ON position (Engine off). • Measure the voltage between the APP sensor terminal A (wiring harness-side) and body ground. • Is the voltage 5 V constant voltage ?	Yes	Go to Step 15.
No	Go to the next step.
6	INSPECT PCM CONNECTOR FOR POOR CONNECTION • Turn the engine switch off. • Disconnect the PCM connector. • Inspect for poor connection (such as damaged/pulled-out pins, corrosion). • Is there any malfunction?	Yes	Repair or replace the terminal, then go to Step 17.
No	Repair or replace the wiring harness for a possible short to power supply, then go to Step 17.
7	INSPECT APP SENSOR CONNECTOR FOR POOR CONNECTION • Turn the engine switch off. • Disconnect the APP sensor connector. • Inspect for poor connection (such as damaged/pulled-out pins, corrosion). • Is there any malfunction?	Yes	Repair or replace the terminal, then go to Step 17.
No	Go to the next step.
8	INSPECT APP SENSOR • Inspect the APP sensor. (See ACCELERATOR PEDAL POSITION (APP) SENSOR INSPECTION [WL-C, WE-C].) • Is there any malfunction?	Yes	Replace the APP sensor, then go to Step 17.
No	Go to Step 17.
9	INSPECT APP SENSOR CONNECTOR FOR POOR CONNECTION • Turn the engine switch off. • Disconnect the APP sensor connector. • Inspect for poor connection (such as damaged/pulled-out pins, corrosion). • Is there any malfunction?	Yes	Repair or replace the terminal, then go to Step 17.
No	Go to the next step.
10	INSPECT APP SENSOR GROUND CIRCUIT FOR OPEN CIRCUIT • Turn the engine switch off. • Inspect for continuity between APP sensor terminal D and body ground. • Is there continuity?	Yes	Go to Step 12.
No	Go to the next step.
11	INSPECT PCM CONNECTOR FOR POOR CONNECTION • Turn the engine switch off. • Disconnect the PCM connector. • Inspect for poor connection (such as damaged/pulled-out pins, corrosion). • Is there any malfunction?	Yes	Repair or replace the terminal, then go to Step 17.
No	Repair or replace the wiring harness for an open circuit, then go to the Step 17.
12	CLASSIFY SIGNAL CIRCUIT OR OTHER RELATED MALFUNCTION • Turn the engine switch to the ON position (Engine off). • Measure the voltage between the APP sensor terminal C (wiring harness-side) and body ground. • Is the voltage less than 4.9 V ?	Yes	Go to Step 17.
No	Go to the next step.
13	CLASSIFY SIGNAL CIRCUIT OR APP SENSOR RELATED MALFUNCTION • Disconnect the APP sensor connector. • Turn the engine switch to the ON position (Engine off). • Measure the voltage between the APP sensor terminal C (wiring harness-side) and body ground. • Is the voltage less than 4.9 V ?	Yes	Go to the next step.
No	Go to Step 15.
14	INSPECT PCM CONNECTOR FOR POOR CONNECTION • Turn the engine switch off. • Disconnect the PCM connector. • Inspect for poor connection (such as damaged/pulled-out pins, corrosion). • Is there any malfunction?	Yes	Repair or replace the terminal, then go to Step 17.
No	Repair or replace the wiring harness for a possible short to power supply, then go to Step 17.
15	INSPECT APP SENSOR CONNECTOR FOR POOR CONNECTION • Turn the engine switch off. • Disconnect the APP sensor connector. • Inspect for poor connection (such as damaged/pulled-out pins, corrosion). • Is there any malfunction?	Yes	Repair or replace the terminal, then go to Step 17.
No	Go to the next step.
16	INSPECT APP SENSOR • Inspect the APP sensor. (See ACCELERATOR PEDAL POSITION (APP) SENSOR INSPECTION [WL-C, WE-C].) • Is there any malfunction?	Yes	Replace the APP sensor, then go to the step.
No	Go to the step.
17	VERIFY TROUBLESHOOTING OF DTC P0223 COMPLETED • Turn the engine switch off. • Make sure to reconnect all disconnected connectors. • Turn the engine switch to the ON position (Engine off). • Clear the DTC from the memory using the M-MDS. • Run the vehicle under the FREEZE FRAME DATA stored condition. • Is the same DTC present?	Yes	Replace the PCM, then go to the next step. (See PCM REMOVAL/INSTALLATION [WL-C, WE-C].)
No	Go to the next step.
18	VERIFY AFTER REPAIR PROCEDURE • Perform the “After Repair Procedure“. (See AFTER REPAIR PROCEDURE [WL-C, WE-C (Thailand, General (L.H.D. R.H.D.) specs.)].) • Are any DTCs present?	Yes	Go to the applicable DTC inspection. (See DTC TABLE [WL-C, WE-C (Thailand, General (L.H.D. R.H.D.) specs.)].)
No	DTC troubleshooting completed.

STEP

INSPECTION

ACTION

VERIFY FREEZE FRAME DATA HAS BEEN RECORDED

• Has FREEZE FRAME DATA been recorded?

Yes

Go to the next step.

Record the FREEZE FRAME DATA on the repair order, then go to the next step.

VERIFY RELATED REPAIR INFORMATION AVAILABILITY

• Verify related service repair information availability.

• Is any related repair information available?

Yes

Perform repair or diagnosis according to the available repair information.

• If the vehicle is not repaired, go to the next step.

Go to the next step.

VERIFY CURRENT SIGNAL STATUS: IS CONCERN INTERMITTENT OR CONSTANT?

• Connect the M-MDS to the DLC-2.

• Clear the DTC from the PCM memory using the M-MDS.

• Start the engine.

• Is the same DTC present?

Yes

Go to the next step.

Intermittent concern exists.

Perform the “INTERMITTENT CONCERN TROUBLESHOOTING”.

(See INTERMITTENT CONCERN TROUBLESHOOTING [WL-C, WE-C].)

CLASSIFY 5V CONSTANT VOLTAGE CIRCUIT OR OTHER RELATED MALFUNCTION

• Turn the engine switch to the ON position (Engine off).

• Measure the voltage between the APP sensor terminal A (wiring harness-side) and body ground.

• Is the voltage 5 V constant voltage ?

Yes

Go to Step 9.

Go to the next step.

CLASSIFY 5V CONSTANT VOLTAGE CIRCUIT OR APP SENSOR RELATED MALFUNCTION

• Disconnect the APP sensor connector.

• Turn the engine switch to the ON position (Engine off).

• Measure the voltage between the APP sensor terminal A (wiring harness-side) and body ground.

• Is the voltage 5 V constant voltage ?

Yes

Go to Step 15.

Go to the next step.

INSPECT PCM CONNECTOR FOR POOR CONNECTION

• Turn the engine switch off.

• Disconnect the PCM connector.

• Inspect for poor connection (such as damaged/pulled-out pins, corrosion).

• Is there any malfunction?

Yes

Repair or replace the terminal, then go to Step 17.

Repair or replace the wiring harness for a possible short to power supply, then go to Step 17.

INSPECT APP SENSOR CONNECTOR FOR POOR CONNECTION

• Turn the engine switch off.

• Disconnect the APP sensor connector.

• Inspect for poor connection (such as damaged/pulled-out pins, corrosion).

• Is there any malfunction?

Yes

Repair or replace the terminal, then go to Step 17.

Go to the next step.

INSPECT APP SENSOR

• Inspect the APP sensor.

(See ACCELERATOR PEDAL POSITION (APP) SENSOR INSPECTION [WL-C, WE-C].)

• Is there any malfunction?

Yes

Replace the APP sensor, then go to Step 17.

Go to Step 17.

INSPECT APP SENSOR CONNECTOR FOR POOR CONNECTION

• Turn the engine switch off.

• Disconnect the APP sensor connector.

• Inspect for poor connection (such as damaged/pulled-out pins, corrosion).

• Is there any malfunction?

Yes

Repair or replace the terminal, then go to Step 17.

Go to the next step.

INSPECT APP SENSOR GROUND CIRCUIT FOR OPEN CIRCUIT

• Turn the engine switch off.

• Inspect for continuity between APP sensor terminal D and body ground.

• Is there continuity?

Yes

Go to Step 12.

Go to the next step.

INSPECT PCM CONNECTOR FOR POOR CONNECTION

• Turn the engine switch off.

• Disconnect the PCM connector.

• Inspect for poor connection (such as damaged/pulled-out pins, corrosion).

• Is there any malfunction?

Yes

Repair or replace the terminal, then go to Step 17.

Repair or replace the wiring harness for an open circuit, then go to the Step 17.

CLASSIFY SIGNAL CIRCUIT OR OTHER RELATED MALFUNCTION

• Turn the engine switch to the ON position (Engine off).

• Measure the voltage between the APP sensor terminal C (wiring harness-side) and body ground.

• Is the voltage less than 4.9 V ?

Yes

Go to Step 17.

Go to the next step.

CLASSIFY SIGNAL CIRCUIT OR APP SENSOR RELATED MALFUNCTION

• Disconnect the APP sensor connector.

• Turn the engine switch to the ON position (Engine off).

• Measure the voltage between the APP sensor terminal C (wiring harness-side) and body ground.

• Is the voltage less than 4.9 V ?

Yes

Go to the next step.

Go to Step 15.

INSPECT PCM CONNECTOR FOR POOR CONNECTION

• Turn the engine switch off.

• Disconnect the PCM connector.

• Inspect for poor connection (such as damaged/pulled-out pins, corrosion).

• Is there any malfunction?

Yes

Repair or replace the terminal, then go to Step 17.

Repair or replace the wiring harness for a possible short to power supply, then go to Step 17.

INSPECT APP SENSOR CONNECTOR FOR POOR CONNECTION

• Turn the engine switch off.

• Disconnect the APP sensor connector.

• Inspect for poor connection (such as damaged/pulled-out pins, corrosion).

• Is there any malfunction?

Yes

Repair or replace the terminal, then go to Step 17.

Go to the next step.

INSPECT APP SENSOR

• Inspect the APP sensor.

(See ACCELERATOR PEDAL POSITION (APP) SENSOR INSPECTION [WL-C, WE-C].)

• Is there any malfunction?

Yes

Replace the APP sensor, then go to the step.

Go to the step.

VERIFY TROUBLESHOOTING OF DTC P0223 COMPLETED

• Turn the engine switch off.

• Make sure to reconnect all disconnected connectors.

• Turn the engine switch to the ON position (Engine off).

• Clear the DTC from the memory using the M-MDS.

• Run the vehicle under the FREEZE FRAME DATA stored condition.

• Is the same DTC present?

Yes

Replace the PCM, then go to the next step.

(See

PCM REMOVAL/INSTALLATION [WL-C, WE-C].)

Go to the next step.

VERIFY AFTER REPAIR PROCEDURE

• Perform the “After Repair Procedure“.

(See AFTER REPAIR PROCEDURE [WL-C, WE-C (Thailand, General (L.H.D. R.H.D.) specs.)].)

• Are any DTCs present?

Yes

Go to the applicable DTC inspection.

(See DTC TABLE [WL-C, WE-C (Thailand, General (L.H.D. R.H.D.) specs.)].)

DTC troubleshooting completed.