DTC B15C6: Ignition Switch Signal Malfunction [11/2018 - 10/2019]: Procedure

1. Clear the DTCs.

   Refer to DTC CHECK / CLEAR [11/2018 - 10/2019]

   Body Electrical > Telematics > Clear DTCs 

2. Recheck for DTCs and check if the same DTC is output again.

   Refer to DTC CHECK / CLEAR [11/2018 - 10/2019]

   Body Electrical > Telematics > Trouble Codes 

   Result

   Result	Proceed to
   B15C6 is not output.	A
   B15C6 is output.	B

Result: 

A 

USE SIMULATION METHOD TO CHECK. Refer to  GENERAL INFORMATION [11/2018 - ] 

Result: 

B 

See step  2

1. Disconnect the G9 DCM (Telephone Transceiver Assembly) connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   G9-4 (E) - Body ground	Always	Below 1 Ω

3. Measure the voltage according to the value(s) in the table below.

   Standard Voltage

   Tester Connection	Switch Condition	Specified Condition
   G9-7 (IG2) - Body ground	Ignition switch ON	10.5 to 16 V*1 11 to 14 V*2

   *1: w/ Stop and Start System

   *2: w/o Stop and Start System

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  3

1. Replace the DCM (Telephone Transceiver Assembly).

   Refer to REMOVAL [11/2018 - 10/2019]

   NOTE:

   • The ignition switch must be off.
   • Do not exchange the DCM (Telephone Transceiver Assembly) with one from another vehicle.

   Result

   Proceed to
   NEXT

Result: 

NEXT 

PERFORM DCM ACTIVATION. Refer to  DCM ACTIVATION [11/2018 - 10/2019]