DTC P0A0D:00 [PCM (e-SKYACTIV)]

System malfunction location

Interlock switch system: High input

Detection condition

• The PCM detects an open circuit in the interlock circuit when the vehicle is stopped.

Fail-safe

• Refer to "DTC Table" and "Fail-safe Function Malfunction Contents Table". (See DTC TABLE [PCM (e-SKYACTIV)].)

Possible cause

• Service plug incorrect installation

• Service plug malfunction

• Junction box No.3 terminal cover (side) malfunction

• Junction box No.3 terminal cover (upper) malfunction

• Junction box No.3 internal interlock circuit malfunction

• DC-DC converter internal interlock circuit malfunction

• Electronic A/C compressor internal interlock circuit malfunction

• PTC heater internal interlock circuit malfunction

• Onboard charger internal interlock circuit malfunction

High voltage battery malfunction

• High voltage battery internal interlock circuit malfunction

• Charge port assembly connector or terminal malfunction

• Open circuit in interlock switch circuit

• Interlock switch circuit connector or terminal malfunction

• PCM malfunction

<<High voltage>>

• If necessary measures such as wearing the correct protective gear are not taken when inspecting or removing/installing the high voltage parts, it could cause electrical shock and result in serious injury or, in the worst case, death.

• Before inspecting or removing/installing the high voltage parts, refer to [HIGH VOLTAGE SERVICE CAUTIONS] in the general information and [High Voltage Part Inspection and Removal/Installation Notes] of the high voltage system service cautions and implement the necessary measures and preparations. (See HIGH VOLTAGE SERVICE CAUTIONS.) (See HIGH VOLTAGE SYSTEM SERVICE CAUTIONS.)

Step	Inspection	Results	Action
1	RECORD VEHICLE STATUS WHEN DTC WAS DETECTED TO UTILIZE WITH REPEATABILITY VERIFICATION • Record the snapshot data. Note • Recording can be facilitated using the screen capture function of the PC.	—	Go to the next step.
2	VERIFY WHETHER MALFUNCTION IS PRESENT OR PAST • Perform the DTC inspection for the PCM. (See DTC INSPECTION.) • Is DTC P0A0D:00 a present malfunction?	Yes	Go to the next step.
No	Go to the repair completion verification 2. (See Repair completion verification.)
3	INSPECT SERVICE PLUG FOR MALFUNCTION Warning <<High voltage>> • Wear insulated gloves when working on a high voltage system. • Remove the service plug. (See SERVICE PLUG REMOVAL/INSTALLATION.) • Inspect the applicable part. (See SERVICE PLUG INSPECTION.) • Is the part normal?	Yes	Go to the next step.
No	Replace the service plug, perform the repair completion verification 1. (See SERVICE PLUG REMOVAL/INSTALLATION.) (See Repair completion verification.)
4	INSPECT CONNECTORS FOR MALFUNCTION Warning <<High voltage>> • Wear insulated gloves when working on a high voltage system. • Remove the service plug. (See SERVICE PLUG REMOVAL/INSTALLATION.) • After 10 min have elapsed after removing the service plug, perform a zero voltage verification at the voltage detection point of the junction box No.3 to verify that there is no electrical charge in the high voltage circuit. • Disconnect the following connectors and inspect the condition of the connectors and terminals. (See CONNECTOR INSPECTION.) ― Connector C-08 ― Connector 3002-231 ― Connector 0740-107 ― Connector C-67 ― Connector 3002-201 • Are the connectors and terminals normal?	Yes	Go to the next step.
No	If there are malfunctions with connector 3002-231 (high voltage battery side), connector 0740-107 (high voltage battery side), and connector C-67 (high voltage battery side): • Replace the high voltage battery, then go to the repair completion verification 1. (See HIGH VOLTAGE BATTERY REMOVAL/INSTALLATION.) (See Repair completion verification.) If there is a malfunction with connector 3002-231 (high voltage cable side): • Replace the high voltage cable, then go to the repair completion verification 1. (SeeHIGH VOLTAGE CABLE REMOVAL/INSTALLATION.) (See Repair completion verification.) If there is a malfunction with connector 0740-107 (high voltage cable side): • Replace the PTC heater, then go to the repair completion verification 1. (See POSITIVE TEMPERATURE COEFFICIENT (PTC) HEATER REMOVAL/INSTALLATION.) (See Repair completion verification.) If there are malfunctions with connector C-08 (vehicle wiring harness side), connector C-67 (vehicle wiring harness side), and connector 3002-201 (vehicle wiring harness side): • Repair or replace the malfunctioning location and perform the repair completion verification 1. (See Repair completion verification.)
5	DETERMINE OPEN CIRCUIT LOCATION (FRONT WIRING HARNESS SIDE) Warning <<High voltage>> • Wear insulated gloves when working on a high voltage system. • Reinstall the junction box No.3 terminal cover (upper). • Inspect for continuity between the following terminals of connector. ― Connector C-08 (front wiring harness side) • Terminal X and terminal W • Is there continuity?	Yes	Go to the next step.
No	Perform the front wiring harness inspection procedure from Step 1. (See Front wiring harness inspection procedure.)
6	DETERMINE OPEN CIRCUIT LOCATION (REAR WIRING HARNESS SIDE) Warning <<High voltage>> • Wear insulated gloves when working on a high voltage system. • Install the jumper wire between the following connector terminals to short them with each other. ― Connector C-67 (vehicle wiring harness side) • Terminal D and terminal C ― Connector 3002-201 (vehicle wiring harness side) • Terminal BA and terminal AH Caution • When using the jumper wire, be careful not to short wrong terminals. Otherwise, a vehicle malfunction could occur. • Inspect for continuity between the following terminals of connector. ― Connector C-08 (rear wiring harness side) • Terminal X and terminal W • Is there continuity?	Yes	Go to the next step.
No	Perform the rear wiring harness inspection procedure from Step 1. (See Rear wiring harness inspection procedure.)
7	INSPECT PTC HEATER INTERLOCK CIRCUIT FOR OPEN CIRCUIT Warning <<High voltage>> • Wear insulated gloves when working on a high voltage system. • Inspect for continuity between the following terminals of connector. ― Connector 0740-107 (high voltage cable side) • Terminal B and terminal C • Is there continuity?	Yes	Go to the next step.
No	Replace the PTC heater, then go to the repair completion verification 1. (See POSITIVE TEMPERATURE COEFFICIENT (PTC) HEATER REMOVAL/INSTALLATION.) (See Repair completion verification.)
8	INSPECT CONNECTOR 3002-231 INTERNAL INTERLOCK CIRCUIT FOR OPEN CIRCUIT Warning <<High voltage>> • Wear insulated gloves when working on a high voltage system. • Inspect for continuity between the following terminals of connector. ― Connector 3002-231 (high voltage cable side) • Terminal B and terminal C • Is there continuity?	Yes	Replace the high voltage battery, then go to the repair completion verification 1. (See HIGH VOLTAGE BATTERY REMOVAL/INSTALLATION.) (See Repair completion verification.)
No	Replace the high voltage cable, then go to the repair completion verification 1. (SeeHIGH VOLTAGE CABLE REMOVAL/INSTALLATION.) (See Repair completion verification.)

Step

Inspection

Results

Action

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

• Record the snapshot data.

Note

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

—

Go to the next step.

VERIFY WHETHER MALFUNCTION IS PRESENT OR PAST

• Perform the DTC inspection for the PCM.

(See DTC INSPECTION.)

• Is DTC P0A0D:00 a present malfunction?

Yes

Go to the next step.

Go to the repair completion verification 2.

Step	Inspection	Results	Action
1	INSPECT CONNECTOR 3002-229E FOR MALFUNCTION • Disconnect connector 3002-229E. (See CONNECTOR INSPECTION.) • Are the connectors and terminals normal?	Yes	Go to the next step.
1		No	Repair or replace the malfunctioning location and perform the repair completion verification 1. (See Repair completion verification.)
2	INSPECT FOR OPEN CIRCUIT BETWEEN CONNECTOR C-08 AND CONNECTOR 3002-229E Warning <<High voltage>> • Wear insulated gloves when working on a high voltage system. • Install the jumper wire between the following connector terminals to short them with each other. ― Connector 3002-229E (vehicle wiring harness side) • Terminal 5B and terminal 5H Caution • When using the jumper wire, be careful not to short wrong terminals. Otherwise, a vehicle malfunction could occur. • Inspect for continuity between the following terminals of connector. ― Connector C-08 (front wiring harness side) • Terminal X and terminal W • Is there continuity?	Yes	Go to the next step.
2		No	Repair or replace the malfunctioning location and perform the repair completion verification 1. (See Repair completion verification.)
3	INSPECT WIRING HARNESSES BETWEEN PARTS CONNECTED THROUGH JUNCTION BOX NO.3 FOR OPEN CIRCUIT Warning <<High voltage>> • Wear insulated gloves when working on a high voltage system. • Inspect for continuity between the following terminals of connector. ― Connector 3002-229E (junction box No.3 side) • Terminal 5B and terminal 5D • Terminal 5C and terminal 5E • Terminal 5F and terminal 5H • Is there continuity?	Yes	Go to the next step.
3		No	If there is no continuity between terminal 5B and terminal 5D: • Go to step 6. If there is no continuity between terminal 5C and terminal 5E: • Go to step 8. If there is no continuity between terminal 5F and terminal 5H: • Go to step 10.
4	INSPECT FOR OPEN CIRCUIT BETWEEN CONNECTOR 3002-229E Warning <<High voltage>> • Wear insulated gloves when working on a high voltage system. • Inspect for continuity between the following terminals of connector. ― Connector 3002-229E (vehicle wiring harness side) • Terminal 5D and terminal 5C • Is there continuity?	Yes	Go to the next step.
4		No	Repair or replace the malfunctioning location and perform the repair completion verification 1. (See Repair completion verification.)
5	INSPECT FOR OPEN CIRCUIT BETWEEN CONNECTOR 3002-229E Warning <<High voltage>> • Wear insulated gloves when working on a high voltage system. • Inspect for continuity between the following terminals of connector. ― Connector 3002-229E (vehicle wiring harness side) • Terminal 5E and terminal 5F • Is there continuity?	Yes	The circuit is normal. • Go to the repair completion verification 1. (See Repair completion verification.)
5		No	Repair or replace the malfunctioning location and perform the repair completion verification 1. (See Repair completion verification.)
6	INSPECT WIRING HARNESS BETWEEN JUNCTION BOX NO.3 AND ELECTRIC COMPRESSOR Warning <<High voltage>> • Wear insulated gloves when working on a high voltage system. • Disconnect connector 3002-229D. • Inspect for continuity between the following terminals of connector. ― Connector 3002-229D (vehicle wiring harness side) • Terminal 4B and terminal 4C • Is there continuity?	Yes	Replace the junction box No.3, then go to the repair completion verification 1. (See JUNCTION BOX No.3 REMOVAL/INSTALLATION) (See Repair completion verification.)
6		No	Go to the next step.
7	INSPECT INTERLOCK CIRCUIT IN ELECTRIC COMPRESSOR FOR OPEN CIRCUIT Warning <<High voltage>> • Wear insulated gloves when working on a high voltage system. • Disconnect connector 0740-109. • Install the jumper wire between the following connector terminals to short them with each other. ― Connector 0740-109 (vehicle wiring harness side) • Terminal B and terminal C Caution • When using the jumper wire, be careful not to short wrong terminals. Otherwise, a vehicle malfunction could occur. • Inspect for continuity between the following terminals of connector. ― Connector 3002-229D (vehicle wiring harness side) • Terminal 4B and terminal 4C • Is there continuity?	Yes	Replace the electric compressor, then go to the repair completion verification 1. (See ELECTRIC COMPRESSOR REMOVAL/INSTALLATION) (See Repair completion verification.)
7		No	Wear insulating gloves and replace the high voltage cable (electric compressor cable) and perform the repair completion verification 1. (See Repair completion verification.)
8	INSPECT INTERLOCK CIRCUIT IN JUNCTION BOX NO.3 TERMINAL COVER (UPPER) FOR OPEN CIRCUIT Warning <<High voltage>> • Wear insulated gloves when working on a high voltage system. • Remove the junction box No.3 terminal cover (upper). (See JUNCTION BOX No.3 REMOVAL/INSTALLATION.) • Inspect for continuity between the junction box No.3 terminal cover (upper) terminals. • Is there continuity?	Yes	Go to the next step.
8		No	Replace the terminal cover (upper) and perform repair completion verification 1. (See JUNCTION BOX No.3 REMOVAL/INSTALLATION.) (See Repair completion verification.)
9	INSPECT INTERLOCK CIRCUIT IN JUNCTION BOX NO.3 TERMINAL COVER (SIDE) FOR OPEN CIRCUIT Warning <<High voltage>> • Wear insulated gloves when working on a high voltage system. • Remove the junction box No.3 terminal cover (side). (See JUNCTION BOX No.3 REMOVAL/INSTALLATION.) • Inspect for continuity between the junction box No.3 terminal cover (side) terminals. • Is there continuity?	Yes	Replace the junction box No.3, then go to the repair completion verification 1. (See JUNCTION BOX No.3 REMOVAL/INSTALLATION.) (See Repair completion verification.)
9		No	Replace the terminal cover (side) and perform repair completion verification 1. (See JUNCTION BOX No.3 REMOVAL/INSTALLATION.) (See Repair completion verification.)
10	INSPECT WIRING HARNESS BETWEEN JUNCTION BOX NO.3 AND DC-DC CONVERTER FOR OPEN CIRCUIT Warning <<High voltage>> • Wear insulated gloves when working on a high voltage system. • Disconnect connector 3002-229C. • Inspect for continuity between the following terminals of connector. ― Connector 3002-229C (vehicle wiring harness side) • Terminal 3B and terminal 3C • Is there continuity?	Yes	Replace the junction box No.3, then go to the repair completion verification 1. (See JUNCTION BOX No.3 REMOVAL/INSTALLATION) (See Repair completion verification.)
10		No	Go to the next step.
11	INSPECT DC-DC CONVERTER INTERNAL INTERLOCK CIRCUIT FOR OPEN CIRCUIT Warning <<High voltage>> • Wear insulated gloves when working on a high voltage system. • Disconnect connector 3002-501A. • Install the jumper wire between the following connector terminals to short them with each other. ― Connector 3002-501A (vehicle wiring harness side) • Terminal 1B and terminal 1C Caution • When using the jumper wire, be careful not to short wrong terminals. Otherwise, a vehicle malfunction could occur. • Inspect for continuity between the following terminals of connector. ― 3002-229C (vehicle wiring harness side) • Terminal 3B and terminal 3C • Is there continuity?	Yes	Replace the DC-DC converter, then go to the repair completion verification 1. (See DC-DC CONVERTER REMOVAL/INSTALLATION) (See Repair completion verification.)
11		No	Wear insulating gloves and replace the high voltage cable (DC-DC converter cable) and perform the repair completion verification 1. (See Repair completion verification.)

Step	Inspection	Results	Action
1	DETERMINE OPEN CIRCUIT LOCATION Warning <<High voltage>> • Wear insulated gloves when working on a high voltage system. • Verify that jumper wires are installed between the following connector terminals. ― Connector C-67 (vehicle wiring harness side) • Terminal D and terminal C ― Connector 3002-201 (vehicle wiring harness side) • Terminal BA and terminal AH • Install the jumper wire between the following connector terminals to short them with each other. ― C-08 (rear wiring harness side) • Terminal W and terminal X Caution • When using the jumper wire, be careful not to short wrong terminals. Otherwise, a vehicle malfunction could occur. • Disconnect connector C-65 (vehicle wiring harness side) and 3002-605 (vehicle wiring harness side) • Inspect for continuity between the following terminals of connector. ― Connector C-65 (vehicle wiring harness side) • Terminal C ― Connector 3002-605 (vehicle wiring harness side • Terminal A • Is there continuity?	Yes	Go to step 6.
1		No	Go to the next step.
2	INSPECT WIRING HARNESS BETWEEN CONNECTOR C-08 AND CONNECTOR 3002-201 FOR OPEN CIRCUIT • Remove the jumper wire installed to connector 3002-201. • Inspect for continuity between the following terminals of connector. ― C-08 (vehicle wiring harness side) • Terminal W ― 3002-201 (vehicle wiring harness side) • Terminal BA • Is there continuity?	Yes	Go to the next step.
2		No	Repair or replace the malfunctioning location and perform the repair completion verification 1. (See Repair completion verification.)
3	INSPECT WIRING HARNESS BETWEEN CONNECTOR C-65 AND CONNECTOR 3002-201 FOR OPEN CIRCUIT • Remove the jumper wire installed to connector 3002-201. • Inspect for continuity between the following terminals of connector. ― C-65 (vehicle wiring harness side) • Terminal C ― 3002-201 (vehicle wiring harness side) • Terminal AH • Is there continuity?	Yes	Go to the next step.
3		No	Repair or replace the malfunctioning location and perform the repair completion verification 1. (See Repair completion verification.)
4	INSPECT WIRING HARNESS BETWEEN CONNECTOR C-08 AND CONNECTOR C-67 FOR OPEN CIRCUIT • Remove the jumper wire installed to connector C-08. • Inspect for continuity between the following terminals of connector. ― C-08 (vehicle wiring harness side) • Terminal X ― C-67 (vehicle wiring harness side) • Terminal D • Is there continuity?	Yes	Go to the next step.
4		No	Replace the wiring harness between connector C-08 and connector C-67. Perform the repair completion verification 1. (See Repair completion verification.)
5	INSPECT WIRING HARNESS BETWEEN CONNECTOR C-65 AND CONNECTOR 3002-605 FOR OPEN CIRCUIT • Inspect for continuity between the following terminals of connector. ― C-65 (vehicle wiring harness side) • Terminal D ― 3002-605 (vehicle wiring harness side) • Terminal B • Is there continuity?	Yes	Replace the wiring harness between connector C-67 and connector 3002-605. Perform the repair completion verification 1. (See Repair completion verification.)
5		No	Repair or replace the malfunctioning location and perform the repair completion verification 1. (See Repair completion verification.)
6	INSPECT WIRING HARNESS BETWEEN CONNECTOR C-65 AND CONNECTOR 3002-403A FOR OPEN CIRCUIT • Inspect for continuity between the following terminals of connector. ― C-65 (charge lid box assembly side) • Terminal C and terminal D • Is there continuity?	Yes	Go to step 11.
6		No	Go to the next step.
7	INSPECT INTERLOCK CIRCUIT IN ONBOARD CHARGER FOR OPEN CIRCUIT Warning <<High voltage>> • Wear insulated gloves when working on a high voltage system. • Disconnect connector 3002-403A. • Install the jumper wire between the following connector terminals to short them with each other. ― Connector 3002-403A (vehicle wiring harness side) • Terminal 1B and terminal 1C Caution • When using the jumper wire, be careful not to short wrong terminals. Otherwise, a vehicle malfunction could occur. • Inspect for continuity between the following terminals of connector. ― C-65 (charge lid box assembly side) • Terminal C and terminal D • Is there continuity?	Yes	Replace the onboard charger, then go to the repair completion verification 1. (See ONBOARD CHARGER REMOVAL/INSTALLATION.) (See Repair completion verification.)
7		No	Go to the next step.
8	INSPECT WIRING HARNESS BETWEEN CONNECTOR C-65 AND CONNECTOR 3002-403A FOR OPEN CIRCUIT Warning <<High voltage>> • Wear insulated gloves when working on a high voltage system. • Remove the jumper wire installed to connector 3002-403A. • Inspect for continuity between the following terminals of connector. ― C-65 (onboard charger side) • Terminal D ― Connector 3002-403A (vehicle wiring harness side) • Terminal 1C • Is there continuity?	Yes	Go to the next step.
8		No	Repair or replace the malfunctioning location and perform the repair completion verification 1. (See Repair completion verification.)
9	INSPECT 3002-411 CONNECTOR INTERNAL CIRCUIT FOR OPEN CIRCUIT Warning <<High voltage>> • Wear insulated gloves when working on a high voltage system. • Disconnect connector 3002-411. • Inspect for continuity between the following terminals of connector. ― 3002-411 (high voltage battery side) • Terminal A and terminal C • Is there continuity?	Yes	Go to the next step.
9		No	Replace the high voltage battery, then go to the repair completion verification 1. (See HIGH VOLTAGE BATTERY REMOVAL/INSTALLATION.) (See Repair completion verification.)
10	INSPECT 3002-412 CONNECTOR INTERNAL CIRCUIT FOR OPEN CIRCUIT Warning <<High voltage>> • Wear insulated gloves when working on a high voltage system. • Disconnect connector 3002-412. • Inspect for continuity between the following terminals of connector. ― 3002-412 (high voltage battery side) • Terminal A and terminal C • Is there continuity?	Yes	Replace the charge port assembly, then go to the repair completion verification 1. (See CHARGE PORT ASSEMBLY REMOVAL/INSTALLATION.) (See Repair completion verification.)
10		No	Replace the high voltage battery, then go to the repair completion verification 1. (See HIGH VOLTAGE BATTERY REMOVAL/INSTALLATION.) (See Repair completion verification.)
11	INSPECT WIRING HARNESS BETWEEN CONNECTOR 3002-605 AND CONNECTOR 3002-403B FOR OPEN CIRCUIT Warning <<High voltage>> • Wear insulated gloves when working on a high voltage system. • Disconnect connector 3002-605. • Inspect for continuity between the following terminals of connector. ― Connector 3002-605 (charge lid box assembly side) • Terminal A and terminal B • Is there continuity?	Yes	Go to step 13.
11		No	Go to the next step.
12	INSPECT INTERLOCK CIRCUIT IN ONBOARD CHARGER FOR OPEN CIRCUIT Warning <<High voltage>> • Wear insulated gloves when working on a high voltage system. • Disconnect connector 3002-403B. • Install the jumper wire between the following connector terminals to short them with each other. ― Connector 3002-403B (vehicle wiring harness side) • Terminal 2B and terminal 2C Caution • When using the jumper wire, be careful not to short wrong terminals. Otherwise, a vehicle malfunction could occur. • Inspect for continuity between the following terminals of connector. ― Connector 3002-605 (charge lid box assembly side) • Terminal A and terminal B • Is there continuity?	Yes	Replace the onboard charger, then go to the repair completion verification 1. (See ONBOARD CHARGER REMOVAL/INSTALLATION.) (See Repair completion verification.)
12		No	Repair or replace the malfunctioning location and perform the repair completion verification 1. (See Repair completion verification.)
13	VERIFY IF CAUSE IS OPEN CIRCUIT IN PCM INTERNAL CIRCUIT • Replace the PCM. (See PCM REMOVAL/INSTALLATION.) • Install/connect the part removed/disconnected during the troubleshooting procedure. • Clear the DTC recorded in the memory. (See CLEARING DTC.) • Switch the main power OFF and wait for 30 s or more. • Switch the main power ON (READY on) and wait for 60 s or more. • Perform the DTC inspection for the PCM. (See DTC INSPECTION.) • Is DTC P0A0D:00 a present malfunction?	Yes	Replace the high voltage battery, then go to the repair completion verification 1. (See HIGH VOLTAGE BATTERY REMOVAL/INSTALLATION.) (See Repair completion verification.)
13		No	Go to the repair completion verification 2. (See Repair completion verification.)

Step	Inspection	Results	Action
Repair completion verification 1	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.) • Switch the main power OFF and wait for 30 s or more. • Switch the main power ON (READY on) and wait for 60 s or more. • Perform the DTC inspection for the PCM. (See DTC INSPECTION.) • Is DTC P0A0D:00 a present malfunction?	Yes	Refer to the controller area network (CAN) malfunction diagnosis flow to inspect for a CAN communication error. (See CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW [L.H.D. (E)].) (See CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW [R.H.D.].) 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. (See PCM REMOVAL/INSTALLATION.)
Repair completion verification 1		No	Go to the next step.
Repair completion verification 2	VERIFY IF OTHER DTCs DISPLAYED • Perform the DTC inspection. (See DTC INSPECTION.) • Are any other DTCs displayed?	Yes	Repair the malfunctioning location according to the applicable DTC troubleshooting.
Repair completion verification 2		No	DTC troubleshooting completed.