Radio Receiver Assembly Communication Stop Mode [12/2013 - ]: Procedure

1. Check vehicle type.

   Result	Proceed to
   for navigation receiver type w/ navigation system	A
   for navigation receiver type w/o navigation system	B
   for radio and display type	C

B → See step   4 

C → See step   6 

A: Go to next step 

1. Disconnect the cable from the negative (-) auxiliary battery terminal.
2. Disconnect the H140 radio receiver assembly connector.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   TEXT IN ILLUSTRATION
   
   

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

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

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H140-1 (CANH) - H140-2 (CANL)	Cable disconnected from negative (-) auxiliary battery terminal	54 to 69 Ω

NG → REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (RADIO RECEIVER ASSEMBLY) 

OK: Go to next step 

1. 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
   H140-12 (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 Receiver Assembly)

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

   Standard Voltage

   Tester Connection	Condition	Specified Condition
   H140-15 (IG) - Body ground	Power switch on (IG)	11 to 14 V
   H140-16 (ACC1) - Body ground	Power switch on (ACC)	11 to 14 V
   H140-17 (+B1) - Body ground	Power switch off	11 to 14 V

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT) 

OK → See step   9 

1. Disconnect the cable from the negative (-) auxiliary battery terminal.
2. Disconnect the H140 radio receiver assembly connector.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   TEXT IN ILLUSTRATION
   
   

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

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

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H140-1 (CANH) - H140-2 (CANL)	Cable disconnected from negative (-) auxiliary battery terminal	54 to 69 Ω

NG → REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (RADIO RECEIVER ASSEMBLY) 

OK: Go to next step 

1. 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
   H140-12 (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 Receiver Assembly)

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

   Standard Voltage

   Tester Connection	Condition	Specified Condition
   H140-15 (IG) - Body ground	Power switch on (IG)	11 to 14 V
   H140-16 (ACC1) - Body ground	Power switch on (ACC)	11 to 14 V
   H140-17 (+B1) - Body ground	Power switch off	11 to 14 V

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT) 

OK → See step   10 

1. Disconnect the cable from the negative (-) auxiliary battery terminal.
2. Disconnect the H164 radio receiver assembly connector.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   TEXT IN ILLUSTRATION
   
   

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

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

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H164-9 (CANH) - H164-10 (CANL)	Cable disconnected from negative (-) auxiliary battery terminal	54 to 69 Ω

NG → REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (RADIO RECEIVER ASSEMBLY) 

OK: Go to next step 

1. Disconnect the H162 radio 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
   H162-7 (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 Receiver Assembly)

3. Reconnect 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
   H162-3 (ACC1) - Body ground	Power switch on (ACC)	11 to 14 V
   H162-4 (+B1) - Body ground	Power switch off	11 to 14 V
   H164-1 (IG) - Body ground	Power switch on (IG)	11 to 14 V

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT) 

OK → See step   8