Pointer Displayed/not Displayed Repeatedly [08/2019 - ]: Procedure

1. Recheck the situation when the malfunction occurs.

   HINT: 

   • When a hand is rested on the remote touch screen while driving, the remote touch (remote operation controller assembly) may react to finger movements and repeatedly display and hide the pointer.
   • When accelerating excessively on rough roads, the remote touch (remote operation controller assembly) may react to the acceleration and repeatedly display and hide the pointer.

   Result

   Result	Proceed to
   Symptom occurs in any situation.	A
   Symptom occurs when hand is rested on the remote touch screen while driving.	B
   Symptom occurs when accelerating excessively on rough roads.	C

Result: 

B 

END 

Result: 

C 

See step  4

Result: 

A 

See step  2

1. Check if there is any foreign matter around the remote touch screen that interferes with operation of the screen.

   OK

   There is no foreign matter around the remote touch screen that interferes with operation of the screen.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REMOVE FOREIGN MATTER (CHECK OPERATION AGAIN) 

Result: 

OK 

See step  3

1. Enter self-diagnostic mode.

   Refer to OPERATION CHECK [08/2019 - ]

2. Operate the remote touch screen diagonally from the upper left to the lower right and check that the brightness of the switch illumination changes.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Switch Illumination
   *b	Remote Touch Screen

   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.

   OK

   Brightness changes according to remote touch screen operation.

   Result

   Result	Proceed to
   Brightness of the switch illumination changes according to remote touch screen operation.	A
   Brightness of the switch illumination does not change according to remote touch screen operation.	B
   Switch illumination continues to blink.

   HINT: 

   When the switch illumination blinks, the remote touch (remote operation controller assembly) has stored a DTC.

Result: 

A 

REPLACE RADIO RECEIVER ASSEMBLY. Refer to  REMOVAL [08/2019 - ] 

Result: 

B 

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

1. Check if the J154 remote touch (remote operation controller assembly) connector is securely connected.

   OK

   The connector is securely connected.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

SECURELY CONNECTED 

Result: 

OK 

See step  5

1. Disconnect the J154 remote touch (remote operation controller assembly) connector.
2. Measure the resistance according to the value (s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   J154-10 (GND) - Body ground	Always	Below 1 Ω

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

   Standard Voltage

   Tester Connection	Condition	Specified Condition
   J154-1 (+B) - Body ground	Power switch off	11 to 14 V
   J154-6 (ACC) - Body ground	Power switch on (ACC)	11 to 14 V

   Result

   Proceed to
   OK
   NG

Result: 

OK 

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

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR