DTC P161A: LIN Communication Error with Alternator [12/2012 - ]: Procedure

1. Check the charging system.

   Refer to ON-VEHICLE INSPECTION [12/2012 - 11/2013] , or refer to ON-VEHICLE INSPECTION [11/2013 - 10/2015] , or refer to ON-VEHICLE INSPECTION [10/2015 - ] 

Result: 

NG 

REPAIR OR REPLACE CHARGING SYSTEM 

Result: 

OK 

See step  2

1. Disconnect the A58 generator control ECU assembly connector.
2. Disconnect the B62 generator assembly connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance (Check for Open)

   Tester Connection	Condition	Specified Condition
   A58-6 (LIN1) - B62-1 (LIN)	Always	Below 1 Ω

   Standard Resistance (Check for Short)

   Tester Connection	Condition	Specified Condition
   A58-6 (LIN1) or B62-1 (LIN) - Body ground	Ignition switch off (while LIN communication is stopped)	10 kΩ or higher

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  3

1. Inspect the generator assembly.

   Refer to INSPECTION [12/2012 - ]

Result: 

OK 

REPLACE GENERATOR CONTROL ECU ASSEMBLY (BATTERY CURRENT SENSOR):  REMOVAL [12/2012 - ] 

Result: 

NG 

REPLACE GENERATOR ASSEMBLY:  REMOVAL [12/2012 - ]