DTC P0D11-11: Hybrid/EV Battery Charging System Negative Contactor Control Circuit Short to Ground [12/2023 - ]: Procedure

WARNING: This page is about a different car, the 2024 Lexus TX 550h+. However, it is still accessible from the selected car via links, so may be relevant.

CHECK CONNECTOR CONNECTION CONDITION (BATTERY ECU ASSEMBLY)
See step 1

Result

Proceed to

OK

NG

Result:

NG

CONNECT SECURELY

Result:

OK

See step 2

CHECK HARNESS AND CONNECTOR (BATTERY ECU ASSEMBLY - BODY GROUND)

WARNING:

Be sure to wear insulated gloves and protective goggles.

Pre-procedure1

Check that the service plug grip is not installed.
NOTE:
After removing the service plug grip, do not turn the ignition switch to ON (READY), unless instructed by the repair Service Information because this may cause a malfunction.

Disconnect the battery ECU assembly connector.

NOTE:

Before disconnecting the connector, check that it is not loose or disconnected.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Measure the resistance according to the value(s) in the tables below.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*a	Front view of wire harness connector (to Battery ECU Assembly)

Standard Resistance

Tester Connection	Condition	Specified Condition	Result
j4-6 (CHRG) - Body ground	Ignition switch off	20.6 to 40.8 Ω	Ω

Result

Proceed to
OK
NG

Post-procedure1

Reconnect the battery ECU assembly connector.

Result:

REPLACE BATTERY ECU ASSEMBLY. Refer to REMOVAL [12/2023 - ]

Result:

See step 3

CHECK CONNECTOR CONNECTION CONDITION (NO. 2 TRACTION BATTERY DEVICE BOX ASSEMBLY)

WARNING:

Be sure to wear insulated gloves and protective goggles.

Pre-procedure1

Check that the service plug grip is not installed.
NOTE:
After removing the service plug grip, do not turn the ignition switch to ON (READY), unless instructed by the repair Service Information because this may cause a malfunction.

Check the connections of the No. 2 traction battery device box assembly.

HINT:

Refer to ELECTRONIC CIRCUIT INSPECTION PROCEDURE [09/2023 - ]

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

The connector is connected securely and there are no contact problems.

Result

Proceed to
OK
NG

Post-procedure1

None.

Result:

CONNECT SECURELY

Result:

See step 4

CHECK HARNESS AND CONNECTOR (BATTERY ECU ASSEMBLY - NO. 2 TRACTION BATTERY DEVICE BOX ASSEMBLY)

WARNING:

Be sure to wear insulated gloves and protective goggles.

Pre-procedure1

Check that the service plug grip is not installed.
NOTE:
After removing the service plug grip, do not turn the ignition switch to ON (READY), unless instructed by the repair Service Information because this may cause a malfunction.

Disconnect the battery ECU assembly connector.

NOTE:

Before disconnecting the connector, check that it is not loose or disconnected.

Disconnect the No. 2 traction battery device box assembly connector.

NOTE:

Before disconnecting the connector, check that it is not loose or disconnected.

Measure the resistance according to the value(s) in the tables below.

Standard Resistance

Tester Connection	Condition	Specified Condition	Result
j15-3 (CHRG) and j4-6 (CHRG) - Body ground and other terminals	Ignition switch off	10 kΩ or higher	kΩ

Result

Proceed to
OK
NG

Post-procedure1

Reconnect the No. 2 traction battery device box assembly connector.
Reconnect the battery ECU assembly connector.

Result:

REPLACE NO. 2 TRACTION BATTERY DEVICE BOX ASSEMBLY. Refer to REMOVAL [12/2023 - ]

Result:

REPAIR OR REPLACE HARNESS OR CONNECTOR