DTC P0AFC-62: Hybrid/EV Battery Sensor Module Signal Compare Failure [02/2019 - 06/2020]: Procedure

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON.
3. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.
4. Check and record any HV system DTCs and freeze frame data.
5. Read output DTCs.

   Powertrain > Hybrid Control > Trouble Codes 

   Result

   Result	Proceed to
   "P0A95-63, P0AFC-00, P0AFC-96 or P308A-12" is not output.	A
   "P0A95-63, P0AFC-00, P0AFC-96 or P308A-12" is also output.	B

6. Turn the ignition switch off.

Result: 

B 

GO TO DTC CHART (HYBRID CONTROL SYSTEM) 

Refer to DIAGNOSTIC TROUBLE CODE CHART [02/2019 - 06/2020]

Result: 

A 

See step  2

1. Check that the service plug grip is not installed.
   NOTE:

   After removing the service plug grip, do not turn the power switch on (READY), unless instructed by the appropriate service information because this may cause a malfunction.

2. Remove the No. 1 hybrid battery exhaust duct.

   Refer to PROCEDURE - Step 16 [02/2019 - 10/2019] , or refer to PROCEDURE - Step 16 [10/2019 - 06/2020]

3. Remove the No. 1 HV battery shield panel.

   Refer to PROCEDURE - Step 4 [02/2019 - 10/2019] , or refer to PROCEDURE - Step 4 [10/2019 - 08/2020]

4. Check the connector connections and contact pressure of the relevant terminals for the battery voltage sensor.

   Refer to ELECTRONIC CIRCUIT INSPECTION PROCEDURE [11/2018 - ]

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   OK

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

   Result

   Proceed to
   OK
   NG

5. Install the No. 1 HV battery shield panel.
6. Install the No. 1 hybrid battery exhaust duct.

Result: 

OK 

REPLACE BATTERY VOLTAGE SENSOR 

Refer to REMOVAL [02/2019 - 10/2019] , or refer to REMOVAL [10/2019 - 08/2020]

Result: 

NG 

CONNECT SECURELY