DTC B155B: Touch Pad Memory Module Malfunction [08/2019 - ]: Procedure

1. Clear the DTCs.

   Body Electrical > Navigation System > Clear DTCs 

2. Recheck for DTCs and check that no DTCs are output.

   Body Electrical > Navigation System > Trouble Codes 

   OK

   No DTCs are output.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [08/2019 - ] 

Result: 

NG 

See step  2

1. Check that the part number of the remote touch (remote operation controller assembly) is correct.

   Result

   Result	Proceed to
   The part number of the remote touch (remote operation controller assembly) is correct	A
   The part number of the remote touch (remote operation controller assembly) is incorrect	B

Result: 

B 

REPLACE REMOTE TOUCH (REMOTE OPERATION CONTROLLER ASSEMBLY). Refer to  REMOVAL [08/2019 - ] 

Result: 

A 

See step  3

1. Enter self-diagnostic mode.

   Refer to OPERATION CHECK [08/2019 - ]

2. Operate the remote touch screen laterally and check that the remote touch screen generates vibration feedback.
   NOTE:

   Since the remote touch screen may recognize a pinch in/out or flick operation if operated with 2 fingers, always use 1 finger to operate the remote touch screen in self-diagnostic mode.

   HINT: 

   When operating at an excessively low temperature, vibration feedback may be difficult to feel.

   Result

   Result	Proceed to
   Vibration feedback is generated according to remote touch screen operation	A
   The switch illumination changes but vibration feedback is not generated according to remote touch screen operation	B

Result: 

B 

REPLACE REMOTE TOUCH (REMOTE OPERATION CONTROLLER ASSEMBLY). Refer to  REMOVAL [08/2019 - ] 

Result: 

A 

See step  4

1. Clear the DTCs.

   Body Electrical > Navigation System > Clear DTCs 

2. Turn the engine switch off.
3. Turn the engine switch on (ACC) and wait for 5 seconds.
4. Recheck for DTCs and check that no DTCs are output.

   Body Electrical > Navigation System > Trouble Codes 

   OK

   No DTCs are output.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [08/2019 - ] 

Result: 

NG 

REPLACE REMOTE TOUCH (REMOTE OPERATION CONTROLLER ASSEMBLY). Refer to  REMOVAL [08/2019 - ]