Audio Receiver Assembly Communication Stop Mode [11/2013 - 10/2015]: Procedure

1. Disconnect the cable from the negative (-) battery terminal.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Front view of wire harness connector (to Radio and Display Receiver Assembly)

2. Disconnect the radio and display receiver assembly connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   G143-9 (CANH) - G143-10 (CANL)	Cable disconnected from negative (-) battery terminal	54 to 69 Ω

Result: 

NG 

REPAIR OR REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY CAN BRANCH WIRE OR CONNECTOR (CANH, CANL) 

Result: 

OK 

See step  2

1. Connect the cable to the negative (-) battery terminal.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Front view of wire harness connector (to Radio and Display Receiver Assembly)

   NOTE:

   When disconnecting the cable, some systems need to be initialized after the cable is reconnected.

   Refer to INITIALIZATION [12/2012 - 10/2015]

2. Disconnect the radio and display receiver assembly connector.
3. Measure the voltage according to the value(s) in the table below.

   Standard Voltage

   Tester Connection	Condition	Specified Condition
   G141-4 (+B1) - Body ground	Always	11 to 14 V
   G143-1 (IG) - Body ground	Ignition switch ON	11 to 14 V
   G141-3 (ACC1) - Body ground	Ignition switch ACC	11 to 14 V

4. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   G141-7 (GND1) - Body ground	Always	Below 1 Ω

Result: 

OK 

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY. Refer to  REMOVAL [11/2013 - 10/2015] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR