Audio Receiver Assembly Communication Stop Mode [10/2014 - ]: Procedure

1. Disconnect the cable from the negative (-) auxiliary battery terminal.
2. Disconnect the E5 radio and display receiver assembly connector.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   E5-9 (CANH) - E5-10 (CANL)	Cable disconnected from negative (-) auxiliary battery terminal	54 to 69 Ω

   TEXT IN ILLUSTRATION
   
   

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

Result: 

NG 

REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY) 

Result: 

OK 

See step  2

1. Disconnect the E1 radio and display receiver assembly connector.
2. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   E1-7 (GND1) - Body ground	Cable disconnected from negative (-) auxiliary battery terminal	Below 1 Ω

   TEXT IN ILLUSTRATION
   
   

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

3. Connect the cable to the negative (-) auxiliary battery terminal.
4. Measure the voltage according to the value(s) in the table below.

   Standard Voltage

   Tester Connection	Condition	Specified Condition
   E1-3 (ACC1) - Body ground	Power switch on (ACC)	11 to 14 V
   E1-4 (+B1) - Body ground	Power switch off	11 to 14 V
   E5-1 (IG) - Body ground	Power switch on (IG)	11 to 14 V

Result: 

OK 

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY 

(Refer to REMOVAL [10/2014 - ] )

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT)