Sub Battery Module Communication Stop Mode [10/2020 - 11/2021]: Procedure

1. Check the vehicle type.

   Result

   Result	Proceed to
   w/o Advanced Drive	A
   w/ Advanced Drive	B

Result: 

B 

See step  4

Result: 

A 

See step  2

1. Disconnect the cable from the negative (-) auxiliary battery terminal.
2. Disconnect the P6 sub-battery with control assembly connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   P6-3 (CANH) - P6-10 (CANL)	Cable disconnected from negative (-) auxiliary battery terminal	54 to 69 Ω

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE CAN BRANCH WIRE OR CONNECTOR 

Result: 

OK 

See step  3

1. Disconnect the U2 sub-battery with control assembly connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   U2-1 (-BAT) - Body ground	Cable disconnected from negative (-) auxiliary battery terminal	Below 1 Ω

3. Reconnect the cable to the negative (-) auxiliary battery terminal.
4. Measure the voltage according to the value(s) in the table below.

   Standard Voltage

   Tester Connection	Switch Condition	Specified Condition
   P6-7 (B) - Body ground	Power switch off	11 to 14 V
   P6-14 (IG) - Body ground	Power switch on (IG)	11 to 14 V
   	Power switch off	Below 1 V

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE SUB-BATTERY WITH CONTROL ASSEMBLY. Refer to  REMOVAL [10/2020 - 11/2021] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT) 

1. Disconnect the cable from the negative (-) auxiliary battery terminal.
2. Disconnect the L211 multi power control ECU assembly connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   L211-8 (CANH) - L211-12 (CANL)	Cable disconnected from negative (-) auxiliary battery terminal	54 to 69 Ω

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE CAN BRANCH WIRE OR CONNECTOR 

Result: 

OK 

See step  5

1. Disconnect the L212, P16 and Y2 multi power control ECU assembly connectors.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   Y2-2 (-BAT) - Body ground	Cable disconnected from negative (-) auxiliary battery terminal	Below 1 Ω

3. Reconnect the cable to the negative (-) auxiliary battery terminal.
4. Measure the voltage according to the value(s) in the table below.

   Standard Voltage

   Tester Connection	Switch Condition	Specified Condition
   P16-7 (BAT1) - Body ground	Power switch off	11 to 14 V
   L212-6 (IG) - Body ground	Power switch on (IG)	11 to 14 V
   	Power switch off	Below 1 V

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE MULTI POWER CONTROL ECU ASSEMBLY 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT)