DTC P0AFC-123: Hybrid Battery Pack Sensor Module [10/2015 - ]: Procedure

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 otherwise instructed because this may cause a malfunction.

2. Remove the rear seat side garnish LH (Refer to PROCEDURE - Step 24 ).
3. Connect the cable to the negative (-) auxiliary battery terminal.
4. Turn the power switch on (IG).
5. Measure the voltage according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   TEXT IN ILLUSTRATION
   
   

   *a	Component with harness connected (Battery Voltage Sensor)

   Standard Voltage

   Tester Connection	Condition	Specified Condition
   J13-3 (IGCT) - J13-6 (GND)	Power switch on (IG)	11 to 14 V

   NOTE:

   Turning the power switch on (IG) with the service plug grip removed causes other DTCs to be stored. Clear the DTCs after performing this inspection.

6. Turn the power switch off.
7. Disconnect the cable from the negative (-) auxiliary battery terminal.
8. Install the rear seat side garnish LH.

Result: 

OK 

REPLACE BATTERY VOLTAGE SENSOR 

(Refer to COMPONENTS [10/2014 - ] )

Result: 

NG 

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 otherwise instructed because this may cause a malfunction.

2. Remove the rear seat side garnish LH (Refer to REMOVAL [10/2015 - ] ).
3. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   TEXT IN ILLUSTRATION
   
   

   *a	Component with harness connected (Battery Voltage Sensor)

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   J13-6 (GND) - Body ground	Power switch off	Below 1 Ω

4. Install the rear seat side garnish LH.

Result: 

OK 

REPAIR OR REPLACE HARNESS OR CONNECTOR (BATT VL SSR FUSE - BATTERY VOLTAGE SENSOR) 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR (BATTERY VOLTAGE SENSOR - BODY GROUND)